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  2. Discontinued Car Audio & Electronics
  3. Discontinued Car Amplifiers
  4. Discontinued 4-Channel Amplifiers

Discontinued 4-Channel Amplifiers

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Number of Channels
Each channel on an amplifier will power one speaker using a positive and negative cable. There are various types of amplifiers, each designed to power a certain number of speakers. Monoblock amplifiers, also known as single channel, are designed to power one or more subwoofers. These amplifiers often have very high power ratings. On the other hand, multi-channel amplifiers power multiple speakers, usually at lower power ratings. 2-Channel and 4-Channel amplifiers can power car speakers or low powered subwoofers. Occasionally you might see a 5 or 6-channel amplifier that can power speakers and subwoofers at the same time. The most common setup is a monoblock amp to run subwoofers and a 4-channel amp to run door speakers. Check out our Knowledge Base for more information.
Amplifier Key Features
Amplifiers can offer a diverse array of features. If you select more than one feature, then you will view amplifiers that have ALL features selected. These include speaker-level inputs that facilitate seamless integration with factory audio systems, Bluetooth connectivity suitable for ATV/UTV or Classic vehicle setups, built-in DSPs that provide enhanced control over your audio signal, and a host of other functionalities to explore.
Amplifier Class

An amplifier increases the power of the signal being fed to it by taking energy from its power supply and matching the signal but increasing its amplitude. Amplifiers use many different methods for converting these electrical signals and have been categorized into classes.

Class A/B: Greater than 50% of the input signal is amplified while the other percentage is “off”. These amplifiers have a small amount of current flowing through the output transistors all the time which almost eliminates crossover distortion. Class A/B has great sound quality but is not as efficient as class D. These amps are most commonly used to drive speakers.

Class D: Also known as switching amplifiers, class D amps have output transistors that are completely turned “on” or “off”. This means that when the transistors are on, there is almost no voltage across them but when they are off there is significant voltage but no current flowing through it which makes these amplifiers very efficient at the cost of sound quality. These amps are most commonly used to drive subwoofers.

Other Classes: You may see classes such as GH, bD, X, FD, etc. by some manufactures. These amplifiers tend to be either class A/B, D or a hybrid of the two but with improvements to their designs that can make them more efficient or offer better sound quality.
Total RMS Power Output
Total RMS power is measured by multiplying RMS power per channel by the number of channels, and is calculated at the lowest level of operating impedance.

RMS power is the amount of continuous power, measured in watts, that an amplifier produces is called RMS power. The higher the RMS figure, the louder and cleaner your music sounds.

The RMS output figure is much more accurate than the peak rating when comparing products.
Total Peak Power Output
The total peak power output is measured as the wattage per channel multiplied by the number of channels, and is calculated at the lowest level of operating impedance.

It is measured during a brief musical burst, such as a sudden drum accent. Some manufacturers display peak power ratings on the face of their products to increase the appeal.

The RMS power rating is more accurate, and we recommend using it for product comparison.
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Many brands group their products into series or lines of products to help customers know the level of quality (good, better, best for example). You can filter by series and the brand using our guided browsing.
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Minimum Impedance Unbridged
The lowest impedance the amplifier will handle when it is not bridged.
Minimum Impedance Bridged
The lowest impedance the amplifier will handle when it is bridged.
Remote bass/level controller
If the amp comes with a bass/gain remote you will be able to control the level of your bass from your dashboard. Typically bass remotes also include a 16-20 ft. wire for installation.
Sonic Certified Amplifier
Sonic Certified amplifiers have been tested by the experts at Sonic Electronix to meet or exceed the wattage ratings provided by the manufacturer. If this is marked as Yes, then you can trust the wattage ratings. If marked as No, then we have tested the amplifier and it did not meet the advertised wattage ratings. If marked as Not Tested, then the Sonic Electronix experts have not yet been able to test the amp.
Preamp Outputs
Many amplifiers are equipped with RCA preamp outputs which pass the original music signal from the source to additional amplifiers. This is known as daisy chaining because the source connects to the first amp, and the first amp connects to the second amp, etc. The advantage to daisy chaining is you only need one 2-channel RCA cable to transfer the signal from the head-unit to the amplifier, and then one additional cable for each amp being daisy chained.
Built-in Crossover

A crossover is a type of filtering system that permits only certain frequencies to play. A Low-Pass (LP) crossover allows only frequencies below its setting to get through which is good in the case of some subwoofers. A High-Pass(HP) filter allows frequencies above its setting to pass through, this is normally used on speakers.

When a crossover is set to FULL it means no filtering is added and the full frequency spectrum is allowed through the amplifier. Filtering is important because feeding a speaker frequencies it cannot reproduce effectively creates distortion.

Amp Bluetooth Connectivity
This feature will tell you if the amplifier has the capability to connect to a Bluetooth device.
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Massive Audio BLX48

200w x 4 RMS @ 4ohm, 1600w Max, Full Range Full Range, 4-channel Amplifier

BLX48 big DISCONTINUED
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Massive Audio BLX48

200w x 4 RMS @ 4ohm, 1600w Max, Full Range Full Range, 4-channel Amplifier

• 120 Watts RMS x 4 @ 4 ohm
• 240 Watts RMS x 2 @ 2 ohm
• 480 Watts RMS x 2 @ 4 ohm, Bridged
• Total Peak Power: 960 Watts
• CTA-2006 Compliant
• Bluetooth Capable with Separate Dongle
• Conformal Coating Protects Against Water, Dust, Heat
• 8.5" L x 4.25" W x 1.6" H

1

• 120 Watts RMS x 4 @ 4 ohm
• 240 Watts RMS x 2 @ 2 ohm
• 480 Watts RMS x 2 @ 4 ohm, Bridged
• Total Peak Power: 960 Watts
• CTA-2006 Compliant
• Bluetooth Capable with Separate Dongle
• Conformal Coating Protects Against Water, Dust, Heat
• 8.5" L x 4.25" W x 1.6" H

Planet Audio 4 Channel Full Range Class A/B MOSFET Amplifier PL2400.4 (2 Pack)

Planet Audio 4 Channel Full Range Class A/B MOSFET Amplifier PL2400.4 (2 Pack)

PL2400.4 2 Pack big DISCONTINUED
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Planet Audio 4 Channel Full Range Class A/B MOSFET Amplifier PL2400.4 (2 Pack)

Planet Audio 4 Channel Full Range Class A/B MOSFET Amplifier PL2400.4 (2 Pack)

• 224 Watts RMS x 4 @ 4 ohm
• 300 Watts RMS x 4 @ 2 ohm
• 600 Watts RMS x 2 @ Bridged
• Total Peak Power: 2400 Watts
• Speaker-level (high-level) inputs
• Frequency Response: 9Hz - 50kHz
• Fixed high-pass filter: 200Hz
• Variable low-pass filter: 35 Hz to 160 Hz

4

• 224 Watts RMS x 4 @ 4 ohm
• 300 Watts RMS x 4 @ 2 ohm
• 600 Watts RMS x 2 @ Bridged
• Total Peak Power: 2400 Watts
• Speaker-level (high-level) inputs
• Frequency Response: 9Hz - 50kHz
• Fixed high-pass filter: 200Hz
• Variable low-pass filter: 35 Hz to 160 Hz

Kicker ZX850.4 Factory R/B

06ZX850.4 ZX Series 4-Channel Amplifier

ZX850.4 big DISCONTINUED
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Kicker ZX850.4 Factory R/B

06ZX850.4 ZX Series 4-Channel Amplifier

4-Channel ZX-Series Power Amplifier • 215W RMS x 4 @ 2 • KickBass • 4-Way Protection • Aluminum EndKaps • Adjustable Input Gain • High and Low Level Inputs

4-Channel ZX-Series Power Amplifier • 215W RMS x 4 @ 2 • KickBass • 4-Way Protection • Aluminum EndKaps • Adjustable Input Gain • High and Low Level Inputs

Taramps DS 440x4 (Open Box, Great)

440W RMS Class D DS Series 4 Channel Car Amplifier

DS 440x4 big DISCONTINUED
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Taramps DS 440x4 (Open Box, Great)

440W RMS Class D DS Series 4 Channel Car Amplifier

• 69 watts x 4 channel @ 4 ohm
• 110 watts x 4 channel @ 2 ohm
• Bridged: 220 watts x 2 channel @ 4 ohm
• Total RMS Power: 440 watts
• Class D 2 ohm Stable 4-Channel Amplifier

• 69 watts x 4 channel @ 4 ohm
• 110 watts x 4 channel @ 2 ohm
• Bridged: 220 watts x 2 channel @ 4 ohm
• Total RMS Power: 440 watts
• Class D 2 ohm Stable 4-Channel Amplifier

EXCLUSIVE

JL Audio + Alpine Amplified 4-Ch. High Fidelity System w/ Convertible 6.5" Speakers

(2) JL Audio C3-650 6.5" C3 Series Convertible Car Speaker System + Alpine PDR-F50 PDR Series 4-Channel Class D Digital Amplifier + NVX Amp Kit

2-C3-650_PDR-F50_XKIT44 big DISCONTINUED
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JL Audio + Alpine Amplified 4-Ch. High Fidelity System w/ Convertible 6.5" Speakers

(2) JL Audio C3-650 6.5" C3 Series Convertible Car Speaker System + Alpine PDR-F50 PDR Series 4-Channel Class D Digital Amplifier + NVX Amp Kit

• 2-Way Convertible Component/Coaxial Speakers System
• Mineral-Filled Polypropylene Cone
• 1" Silk Dome Tweeter
• DMA-Optimized Motor System
• Symmetrical Roll Spider
• RMS Power: 85W x 4 @ 4 ohm
• CEA-2006 Compliant Amplifier
• Rotatable Illuminated Alpine Badge
• Top-Side Control Panel w/ Removable Cover
• Voltage ON/OFF Sensing for OEM Upgrade
• 4 Gauge 4-Channel X-Series Complete Amplifier Installation Kit
• For Car Audio Systems Up To 1000 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 4-channel RCA Interconnect Cable

97

• 2-Way Convertible Component/Coaxial Speakers System
• Mineral-Filled Polypropylene Cone
• 1" Silk Dome Tweeter
• DMA-Optimized Motor System
• Symmetrical Roll Spider
• RMS Power: 85W x 4 @ 4 ohm
• CEA-2006 Compliant Amplifier
• Rotatable Illuminated Alpine Badge
• Top-Side Control Panel w/ Removable Cover
• Voltage ON/OFF Sensing for OEM Upgrade
• 4 Gauge 4-Channel X-Series Complete Amplifier Installation Kit
• For Car Audio Systems Up To 1000 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 4-channel RCA Interconnect Cable

Hifonics BRX640.4 Open Box Complete

640W 4-Channel Brutus Series Class AB Bridgeable Power Amplifier

BRX640.4 big DISCONTINUED
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Hifonics BRX640.4 Open Box Complete

640W 4-Channel Brutus Series Class AB Bridgeable Power Amplifier

  • Item Condition: Open Box complete
    • • 80W x 4-Chan. @ 4 ohm
    • 160W x 4-Chan. @ 2 ohm
    • 320W x 2 Chan. @ 4 ohm
    • 3-Way System Protection
    • 4/3/2/1 Channel Operation
    • 4 Gauge Power and Ground Inputs
    • Ultra-Fi MOSFETS Circuit for Smooth Sound Quality

  • Item Condition: Open Box complete
    • • 80W x 4-Chan. @ 4 ohm
    • 160W x 4-Chan. @ 2 ohm
    • 320W x 2 Chan. @ 4 ohm
    • 3-Way System Protection
    • 4/3/2/1 Channel Operation
    • 4 Gauge Power and Ground Inputs
    • Ultra-Fi MOSFETS Circuit for Smooth Sound Quality

    Precision Power PPI S580.4 Factory Refurbished

    (Factory Refurbished) 580W Max, Sedona Series 4-Channel Amplifier

    S580.4 big DISCONTINUED
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    Precision Power PPI S580.4 Factory Refurbished

    (Factory Refurbished) 580W Max, Sedona Series 4-Channel Amplifier

    Sedona Series 4-Channel Car Amp • 100W x 4-Chan. @ 4 Ohm • 145W x 4-Chan. @ 2 Ohm • MOSFET Power Supply • Variable Bass Boost • Brushed Aluminum Finish • Platinum 4 AWG Power Block • Tri Mode Capable

    Sedona Series 4-Channel Car Amp • 100W x 4-Chan. @ 4 Ohm • 145W x 4-Chan. @ 2 Ohm • MOSFET Power Supply • Variable Bass Boost • Brushed Aluminum Finish • Platinum 4 AWG Power Block • Tri Mode Capable

    Hifonics ZXi 4410 Open Box

    (Open Box) 440W RMS, Zeus ZXi Series 4-Channel Amplifier (ZXi4410)

    ZXi4410 big DISCONTINUED
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    Hifonics ZXi 4410 Open Box

    (Open Box) 440W RMS, Zeus ZXi Series 4-Channel Amplifier (ZXi4410)

    Zeus ZXI AB Car Amplifier • 4-Channel Operation• 55W x4 Chan. @ 4 Ohm • 110W x4 Chan. @ 2 Ohm • Ultra-Fi MOSFET Power Supply • Built-In System Diagnostics • Crossover Selector • Aluminum Alloy Vented Heatsink •

    Zeus ZXI AB Car Amplifier • 4-Channel Operation• 55W x4 Chan. @ 4 Ohm • 110W x4 Chan. @ 2 Ohm • Ultra-Fi MOSFET Power Supply • Built-In System Diagnostics • Crossover Selector • Aluminum Alloy Vented Heatsink •

    JL Audio HD600/4 R/B

    (Factory Refurbished) 4-Channel Class D, HD Series Small Profile Car Amplifier with R.I.P.S. Technology

    HD600/4 big DISCONTINUED
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    JL Audio HD600/4 R/B

    (Factory Refurbished) 4-Channel Class D, HD Series Small Profile Car Amplifier with R.I.P.S. Technology

    JL Audio HD Series 4-Channel Class D, Small Profile Car Amplifier with R.I.P.S. Technology • 150 watts x 4 chan. @ 1.5-4 ohm • Single Cycle Control™ • Preamp RCA outputs • Speaker-level inputs

    JL Audio HD Series 4-Channel Class D, Small Profile Car Amplifier with R.I.P.S. Technology • 150 watts x 4 chan. @ 1.5-4 ohm • Single Cycle Control™ • Preamp RCA outputs • Speaker-level inputs

    Blaupunkt THA555 PnP (THA555PnP) Open Box

    (Open Box) 510W RMS, THA Plug-n-Play Series 5-Channel Class D Amplifier (THA 555 PnP, THA 555PnP)

    THA555PnP big DISCONTINUED
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    Blaupunkt THA555 PnP (THA555PnP) Open Box

    (Open Box) 510W RMS, THA Plug-n-Play Series 5-Channel Class D Amplifier (THA 555 PnP, THA 555PnP)

    THA Plug-n-Play Series 5-Channel Class D Car Amplifier • 55W x 4 chan. + 200W x 1 chan. @ 4 ohm • 65W x 4 chan. + 250W x 1 chan. @ 2 ohm • 110W x 4 chan. + 400W x 1 chan. Max • 5/4/3 channel operation • Speaker-level inputs • Preamp RCA outputs

    THA Plug-n-Play Series 5-Channel Class D Car Amplifier • 55W x 4 chan. + 200W x 1 chan. @ 4 ohm • 65W x 4 chan. + 250W x 1 chan. @ 2 ohm • 110W x 4 chan. + 400W x 1 chan. Max • 5/4/3 channel operation • Speaker-level inputs • Preamp RCA outputs

    Rockford Fosgate LS-T1000-4AD-RB

    1000W 4-Channel Class AD Power Series Constant Power Amplifier

    LS-T1000-4AD-RB big DISCONTINUED
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    Rockford Fosgate LS-T1000-4AD-RB

    1000W 4-Channel Class AD Power Series Constant Power Amplifier

    • 1000W RMS
    • 250W x 1-Chan @ 1 Ohm
    • NOMAD Real Time Computer Protection
    • 50-500 Hz LP/AP/HP Crossovers
    • Constant Power

    • 1000W RMS
    • 250W x 1-Chan @ 1 Ohm
    • NOMAD Real Time Computer Protection
    • 50-500 Hz LP/AP/HP Crossovers
    • Constant Power

    Boss AR1600.4 4 Channel Amplifier w/ Complete 4 AWG Amp Kit

    1600W 4-Channel ARMOR Series Class A/B Car Amplifier + Amp Kit

    AR1600.4_BAK44 big DISCONTINUED
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    Boss AR1600.4 4 Channel Amplifier w/ Complete 4 AWG Amp Kit

    1600W 4-Channel ARMOR Series Class A/B Car Amplifier + Amp Kit

    • 4 ohm: 160 watts x 4 chan.
    • 2 ohm: 400 watts x 4 chan.
    • Bridged, 4 ohm: 800 watts x 2 chan.
    • Pulse Width Modulated MOSFET Power Supply
    • Complete 4 Gauge 4-Channel Amplifier Installation Kit

    • 4 ohm: 160 watts x 4 chan.
    • 2 ohm: 400 watts x 4 chan.
    • Bridged, 4 ohm: 800 watts x 2 chan.
    • Pulse Width Modulated MOSFET Power Supply
    • Complete 4 Gauge 4-Channel Amplifier Installation Kit

    Rockford Fosgate T1000-4AD Open Box

    Open Box 1000W RMS, 4-Channel Class AD Power Series Constant Power Amplifier

    T1000-4AD big DISCONTINUED
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    Rockford Fosgate T1000-4AD Open Box

    Open Box 1000W RMS, 4-Channel Class AD Power Series Constant Power Amplifier

    Power Series 4-Channel Class A/D Car Amplifier • 1000W RMS • 250W x 1-Chan @ 1 Ohm • NOMAD Real Time Computer Protection • 50-500 Hz LP/AP/HP Crossovers • Constant Power

    Power Series 4-Channel Class A/D Car Amplifier • 1000W RMS • 250W x 1-Chan @ 1 Ohm • NOMAD Real Time Computer Protection • 50-500 Hz LP/AP/HP Crossovers • Constant Power

    Crunch PZX1800.4 4 Channel Amplifier w/ Complete 4 AWG Amp Kit

    1800W 4-Channel Powerzone Series Class AB Car Amplifier + Amp Kit

    PZX1800.4_BAK44 big DISCONTINUED
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    Crunch PZX1800.4 4 Channel Amplifier w/ Complete 4 AWG Amp Kit

    1800W 4-Channel Powerzone Series Class AB Car Amplifier + Amp Kit

    • RMS Power: 225W x 4 @ 4 ohm, 450W x 4 @ 2 ohm, 900W x 2 @ 4 ohm Bridged
    • Total Peak Power: 1800W
    • Rugged MOSFET Pulse Width Modulation Power Supply
    • Complete 4 Gauge 4-Channel Amplifier Installation Kit

    • RMS Power: 225W x 4 @ 4 ohm, 450W x 4 @ 2 ohm, 900W x 2 @ 4 ohm Bridged
    • Total Peak Power: 1800W
    • Rugged MOSFET Pulse Width Modulation Power Supply
    • Complete 4 Gauge 4-Channel Amplifier Installation Kit

    Orion XTR1200.4- OPEN BOX

    2400W 4-Channel XTR Series Class A/B Stereo Amplifier

    XTR1200.4 big DISCONTINUED
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    Orion XTR1200.4- OPEN BOX

    2400W 4-Channel XTR Series Class A/B Stereo Amplifier

    • 200W x 4-Chan. @ 4 ohm
    • 300W x 4-Chan. @ 2 ohm
    • 4-Channel Operation
    • Soft Turn-On/Turn-Off
    • Electronic Crossover Network

    • 200W x 4-Chan. @ 4 ohm
    • 300W x 4-Chan. @ 2 ohm
    • 4-Channel Operation
    • Soft Turn-On/Turn-Off
    • Electronic Crossover Network

    Sound Storm Evolution 400 W 4-Channel Full Range Class A/B Amplifier (2 Pack)

    Sound Storm Evolution 400 W 4-Channel Full Range Class A/B Amplifier (2 Pack)

    No picture DISCONTINUED
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    Sound Storm Evolution 400 W 4-Channel Full Range Class A/B Amplifier (2 Pack)

    Sound Storm Evolution 400 W 4-Channel Full Range Class A/B Amplifier (2 Pack)

    • 50W RMS x 4-Channels
    • MOSFET Power Supply
    • High/Low Level Inputs
    • Fixed High/Low Pass Filters
    • 3-Way System Protection Circuitry

    9

    • 50W RMS x 4-Channels
    • MOSFET Power Supply
    • High/Low Level Inputs
    • Fixed High/Low Pass Filters
    • 3-Way System Protection Circuitry

    Hifonics ZRX616.4 OPEN BOX COMPLETE

    600W 4 Channel Zeus Series Class AB Amplifier OPEN BOX COMPLETE

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    Hifonics ZRX616.4 OPEN BOX COMPLETE

    600W 4 Channel Zeus Series Class AB Amplifier OPEN BOX COMPLETE

    • Max Power: 250W x 4 @ 4 ohm, 500W x 4 @ 2 ohm
    • Total Peak Power: 2000W
    • Variable Low and High Pass Filters
    • Dimensions: 10" W x 12.6" L x 2.4" H

    • Max Power: 250W x 4 @ 4 ohm, 500W x 4 @ 2 ohm
    • Total Peak Power: 2000W
    • Variable Low and High Pass Filters
    • Dimensions: 10" W x 12.6" L x 2.4" H

    JL Audio Slash v2 300/4v2 Open Box

    (Open Box) 300W RMS, Slash Version 2 Series 4-Channel Amplifier

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    JL Audio Slash v2 300/4v2 Open Box

    (Open Box) 300W RMS, Slash Version 2 Series 4-Channel Amplifier

    Slash v2 Series 4-Channel Class AB Car Amplifier • 75W x 4 chan. @ 4 ohm • MOSFET power supply • Differential-balanced with RCA jack inputs • Preamp RCA outputs

    Slash v2 Series 4-Channel Class AB Car Amplifier • 75W x 4 chan. @ 4 ohm • MOSFET power supply • Differential-balanced with RCA jack inputs • Preamp RCA outputs

    Kenwood eXcelon XR-4S Open Box

    Reference Fit Class D 4-Channel Amplifier

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    Kenwood eXcelon XR-4S Open Box

    Reference Fit Class D 4-Channel Amplifier

    Reference Fit Class D Monoblock Car Amplifier • 120 Watts RMS X 4 Chan. @ 4 Ohm • 150 Watts RMS X 4 Chan. @ 2 Ohm • 300 Watts x 4 Chan Max • Heavy Duty Heatsink With Cooling Fan • Digital Amplifier • Dual Power Supply

    Reference Fit Class D Monoblock Car Amplifier • 120 Watts RMS X 4 Chan. @ 4 Ohm • 150 Watts RMS X 4 Chan. @ 2 Ohm • 300 Watts x 4 Chan Max • Heavy Duty Heatsink With Cooling Fan • Digital Amplifier • Dual Power Supply

    Hifonics ZXi 8408 R/B

    880W RMS Zeus ZXi Series 4-Channel Amplifier

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    Hifonics ZXi 8408 R/B

    880W RMS Zeus ZXi Series 4-Channel Amplifier

    Zeus ZXi Series 4-Channel Class AB Car Amplifier • 110W x 4 chan. @ 4 ohm • 220W x 4 chan. @ 2 ohm • 440W x 2 chan. @ 4 ohm • Pulse width modulated (PWM) MOSFET power supply • Preamp RCA outputs • DC, short, thermal, and overload protection circuitry

    Zeus ZXi Series 4-Channel Class AB Car Amplifier • 110W x 4 chan. @ 4 ohm • 220W x 4 chan. @ 2 ohm • 440W x 2 chan. @ 4 ohm • Pulse width modulated (PWM) MOSFET power supply • Preamp RCA outputs • DC, short, thermal, and overload protection circuitry

    Precision Power PPI BK800.4-OPEN BOX

    800W RMS 4-Channel Class A/B Black Ice Series Car Amplifier (BK8004)

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    Precision Power PPI BK800.4-OPEN BOX

    800W RMS 4-Channel Class A/B Black Ice Series Car Amplifier (BK8004)

    4-Channel Class A/B Black Ice Series Car Amplifier • 4 ohm: 130 watts x 4 chan. • 2 ohm: 200 watts x 4 chan. • Bridged, 4 ohm: 400 watts x 2 chan. • SMT(Surface mount technology) Circuity • Band-pass crossovers

    4-Channel Class A/B Black Ice Series Car Amplifier • 4 ohm: 130 watts x 4 chan. • 2 ohm: 200 watts x 4 chan. • Bridged, 4 ohm: 400 watts x 2 chan. • SMT(Surface mount technology) Circuity • Band-pass crossovers

    Crunch 4 Channel 1000 Watt Amp A/B Class Car Stereo Amplifier (2 Pack)

    Crunch 4 Channel 1000 Watt Amp A/B Class Car Stereo Amplifier (2 Pack)

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    Crunch 4 Channel 1000 Watt Amp A/B Class Car Stereo Amplifier (2 Pack)

    Crunch 4 Channel 1000 Watt Amp A/B Class Car Stereo Amplifier (2 Pack)

    • 125 Watts x 4 @ 4 ohm
    • 250 Watts x 4 @ 2 ohm
    • 500 Watts x 2 Bridged @ 4 ohm
    • Total Peak Power: 1000 Watts
    • Speaker-level (high-level) inputs
    • Variable high-pass filter: 120 - 3000 Hz
    • Variable low-pass filter: 50 - 250 Hz
    • Variable Bass Boost: 0 to +12 dB bass boost

    7

    • 125 Watts x 4 @ 4 ohm
    • 250 Watts x 4 @ 2 ohm
    • 500 Watts x 2 Bridged @ 4 ohm
    • Total Peak Power: 1000 Watts
    • Speaker-level (high-level) inputs
    • Variable high-pass filter: 120 - 3000 Hz
    • Variable low-pass filter: 50 - 250 Hz
    • Variable Bass Boost: 0 to +12 dB bass boost

    MB Quart OA800.4 + Complete 4 AWG Amp Kit

    800W RMS 4-Channel Onyx Series Class SQ Full-Range Bridgeable Power Amplifier + Amp Kit

    OA800.4_BAK44 big DISCONTINUED
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    MB Quart OA800.4 + Complete 4 AWG Amp Kit

    800W RMS 4-Channel Onyx Series Class SQ Full-Range Bridgeable Power Amplifier + Amp Kit

    • 100 Watts RMS x 4 @ 4 ohm
    • 200 Watts RMS x 4 @ 2 ohm
    • 400 Watts RMS x 2 @ 4 ohm, Bridged
    • Total Peak Power: 1600 Watts
    • 2-Ohm Stable operation, bridgeable to 4-ohm
    • Variable Bass Boost (Bass EQ, Ch 3 & 4 only): 0 - +9 dB at 45Hz
    • 16 AWG speaker output connections
    • Complete 4 Gauge 4-Channel Amplifier Installation Kit

    • 100 Watts RMS x 4 @ 4 ohm
    • 200 Watts RMS x 4 @ 2 ohm
    • 400 Watts RMS x 2 @ 4 ohm, Bridged
    • Total Peak Power: 1600 Watts
    • 2-Ohm Stable operation, bridgeable to 4-ohm
    • Variable Bass Boost (Bass EQ, Ch 3 & 4 only): 0 - +9 dB at 45Hz
    • 16 AWG speaker output connections
    • Complete 4 Gauge 4-Channel Amplifier Installation Kit

    Hifonics ZXi 6408 R/B

    680W RMS Zeus ZXi Series 4-Channel Amplifier

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    Hifonics ZXi 6408 R/B

    680W RMS Zeus ZXi Series 4-Channel Amplifier

    Zeus ZXi Series 4-Channel Class AB Car Amplifier • 85W x 4 chan. @ 4 ohm • 170W x 4 chan. @ 2 ohm • 340W x 2 chan. @ 4 ohm • Pulse width modulated (PWM) MOSFET power supply • Preamp RCA outputs • DC, short, thermal, and overload protection circuitry

    Zeus ZXi Series 4-Channel Class AB Car Amplifier • 85W x 4 chan. @ 4 ohm • 170W x 4 chan. @ 2 ohm • 340W x 2 chan. @ 4 ohm • Pulse width modulated (PWM) MOSFET power supply • Preamp RCA outputs • DC, short, thermal, and overload protection circuitry

    Alpine PSS-21WRA Open Box (Complete)

    2015-2017 Jeep Wrangler Unlimited Complete Sound Solution

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    Alpine PSS-21WRA Open Box (Complete)

    2015-2017 Jeep Wrangler Unlimited Complete Sound Solution

    • Complete audio upgrade for 2015-2017 Jeep Wrangler Unlimited vehicles
    •Includes midwoofers, tweeters, a powered subwoofer and a 4-channel amplifier

    • Complete audio upgrade for 2015-2017 Jeep Wrangler Unlimited vehicles
    •Includes midwoofers, tweeters, a powered subwoofer and a 4-channel amplifier

    Autotek 4 Channel 1000 Watt Amp Car Audio Class A/B Power Amplifier | (2 Pack)

    Autotek 4 Channel 1000 Watt Amp Car Audio Class A/B Power Amplifier | (2 Pack)

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    Autotek 4 Channel 1000 Watt Amp Car Audio Class A/B Power Amplifier | (2 Pack)

    Autotek 4 Channel 1000 Watt Amp Car Audio Class A/B Power Amplifier | (2 Pack)

    • 125 Watts x 1 @ 4 ohm
    • 250 Watts x 4 @ 2 ohm
    • Total Peak Power: 1000 Watts
    • Heavy duty aluminum alloy heat-sink heat-sink for extreme heat dissipation
    • Dimensions: 11.4"W x 13.9"L x 4"H

    14

    • 125 Watts x 1 @ 4 ohm
    • 250 Watts x 4 @ 2 ohm
    • Total Peak Power: 1000 Watts
    • Heavy duty aluminum alloy heat-sink heat-sink for extreme heat dissipation
    • Dimensions: 11.4"W x 13.9"L x 4"H

    Crunch 4 Channel 1000W A/B Class Stereo Amplifier & 2 Channel Amp & Wiring Kit

    Crunch 4 Channel 1000W A/B Class Stereo Amplifier & 2 Channel Amp & Wiring Kit

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    Crunch 4 Channel 1000W A/B Class Stereo Amplifier & 2 Channel Amp & Wiring Kit

    Crunch 4 Channel 1000W A/B Class Stereo Amplifier & 2 Channel Amp & Wiring Kit

    • 125 Watts x 4 @ 4 ohm
    • 250 Watts x 4 @ 2 ohm
    • 500 Watts x 2 Bridged @ 4 ohm
    • Total Peak Power: 1000 Watts
    • Speaker-level (high-level) inputs
    • Variable high-pass filter: 120 - 3000 Hz
    • Variable low-pass filter: 50 - 250 Hz
    • Variable Bass Boost: 0 to +12 dB bass boost

    58

    • 125 Watts x 4 @ 4 ohm
    • 250 Watts x 4 @ 2 ohm
    • 500 Watts x 2 Bridged @ 4 ohm
    • Total Peak Power: 1000 Watts
    • Speaker-level (high-level) inputs
    • Variable high-pass filter: 120 - 3000 Hz
    • Variable low-pass filter: 50 - 250 Hz
    • Variable Bass Boost: 0 to +12 dB bass boost

    Kicker 02KX700.5 KX-Series 02KX700.5

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    Kicker 02KX700.5 KX-Series 02KX700.5

    40W x 4 + 200W x 1 RMS at 4 ohm • 150W x 2 + 200W x 1 bridged power • 75 watts x 4 + 400 x 1 at 2 ohm • Requires 4 Gauge Wiring • 2 ohm stable • Remote Bass Level Control

    40W x 4 + 200W x 1 RMS at 4 ohm • 150W x 2 + 200W x 1 bridged power • 75 watts x 4 + 400 x 1 at 2 ohm • Requires 4 Gauge Wiring • 2 ohm stable • Remote Bass Level Control

    SOUNDSTREAM AR4.1200 Arachnid 1200 Watt 4-Channel Car Audio Amplifier+Amp Kit

    1200W Peak (160W RMS) Arachnid Series Class-A/B 4-Channel 2-Ohm Stable Amplifier Package

    (2) BBIC5,BAK42BK,AR4.1200 big DISCONTINUED
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    SOUNDSTREAM AR4.1200 Arachnid 1200 Watt 4-Channel Car Audio Amplifier+Amp Kit

    1200W Peak (160W RMS) Arachnid Series Class-A/B 4-Channel 2-Ohm Stable Amplifier Package

    • 50 Watts RMS x 4 @ 4 ohm
    • 80 Watts RMS x 4 @ 2 ohm
    • Total Peak Power: 1,200 Watts
    • Bass Boost
    • Aluminum Heatsink
    • 8.5" W x 15.75" L x 2" H

    84

    • 50 Watts RMS x 4 @ 4 ohm
    • 80 Watts RMS x 4 @ 2 ohm
    • Total Peak Power: 1,200 Watts
    • Bass Boost
    • Aluminum Heatsink
    • 8.5" W x 15.75" L x 2" H

    Kicker SX700.4 Factory R/B

    SX 4-Channel Amplifier with Digital Sound Processing 04SX700.4

    SX700.4 big DISCONTINUED
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    Kicker SX700.4 Factory R/B

    SX 4-Channel Amplifier with Digital Sound Processing 04SX700.4

    4-Channel Amplifier with Digital Signal Processing • 175W RMS x 4 @ 2 ohm • 350W RMS x 2 @ 4 Ohm • ISIS • BLAST Port • SAMS • UltraMatch Gain Structure • Kompressor • RCA Outputs

    4-Channel Amplifier with Digital Signal Processing • 175W RMS x 4 @ 2 ohm • 350W RMS x 2 @ 4 Ohm • ISIS • BLAST Port • SAMS • UltraMatch Gain Structure • Kompressor • RCA Outputs

    Kicker SX900.4 Factory R/B

    SX 4-Channel Amplifier with Digital Sound Processing 04SX900.4

    SX900.4 big DISCONTINUED
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    Kicker SX900.4 Factory R/B

    SX 4-Channel Amplifier with Digital Sound Processing 04SX900.4

    4-Channel Amplifier with Digital Signal Processing • 213W RMS x 4 @ 2 ohm • 425W RMS x 2 @ 4 Ohm • ISIS • BLAST Port • SAMS • UltraMatch Gain Structure • Kompressor • RCA Outputs

    4-Channel Amplifier with Digital Signal Processing • 213W RMS x 4 @ 2 ohm • 425W RMS x 2 @ 4 Ohm • ISIS • BLAST Port • SAMS • UltraMatch Gain Structure • Kompressor • RCA Outputs

    JL Audio e4300 Factory Open Box

    Factory Refurbished - No warranty

    e4300 big DISCONTINUED
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    JL Audio e4300 Factory Open Box

    Factory Refurbished - No warranty

    440W RMS Class AB Four-Channel System Amplifier • Absolute Symmetry Class AB Circuit • On-board crossover: HPF/LPF(50-200 Hz.) • 110 watts x 4 chan. @ 2 Ohm(14.4V) • Low(RCA) and high-level inputs • CEA-2006 Compliant

    1

    440W RMS Class AB Four-Channel System Amplifier • Absolute Symmetry Class AB Circuit • On-board crossover: HPF/LPF(50-200 Hz.) • 110 watts x 4 chan. @ 2 Ohm(14.4V) • Low(RCA) and high-level inputs • CEA-2006 Compliant

    Kicker KEY180.4 (45KEY1804) Key Smart Amplifier Open Box (Complete)

    180W RMS 4-Channel Full-Range Car Amplifier with Automatic EQ, DSP, Time Alignment

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    Kicker KEY180.4 (45KEY1804) Key Smart Amplifier Open Box (Complete)

    180W RMS 4-Channel Full-Range Car Amplifier with Automatic EQ, DSP, Time Alignment

    • 45 Watts RMS x 4 @ 4 ohm
    • Automatic Tuning
    • CEA-2006 Compliant
    • All Tuning Performed with Included Microphone
    • Improves Sound at the Touch of a Button
    • Dimensions: 7-3/8" W x 2-3/4" L x 1-11/16" H

    5

    • 45 Watts RMS x 4 @ 4 ohm
    • Automatic Tuning
    • CEA-2006 Compliant
    • All Tuning Performed with Included Microphone
    • Improves Sound at the Touch of a Button
    • Dimensions: 7-3/8" W x 2-3/4" L x 1-11/16" H

    Crunch PZX4000.4-OPEN BOX

    4000W 4-Channel Powerzone Series Class D Car Amplifier

    PZX4000.4 big DISCONTINUED
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    Crunch PZX4000.4-OPEN BOX

    4000W 4-Channel Powerzone Series Class D Car Amplifier

    • RMS Power: 500W x 4 @ 4 ohm, 1000W x 4 @ 2 ohm, 2000W x 2 @ 4 ohm Mono Bridged
    • Total Peak Power: 4000W
    • Rugged MOSFET Pulse Width Modulation Power Supply

    • RMS Power: 500W x 4 @ 4 ohm, 1000W x 4 @ 2 ohm, 2000W x 2 @ 4 ohm Mono Bridged
    • Total Peak Power: 4000W
    • Rugged MOSFET Pulse Width Modulation Power Supply

    Hifonics Brutus BRX616.4 4 Channel Amplifier + Premium 4-ch Amp Wiring Kit

    640 Watt 4 Channel Brutus Series Class AB Amplifier + Amp Kit

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    Hifonics Brutus BRX616.4 4 Channel Amplifier + Premium 4-ch Amp Wiring Kit

    640 Watt 4 Channel Brutus Series Class AB Amplifier + Amp Kit

    • RMS Power: 80W x 4 @ 4 ohm, 160W x 2 @ 2 ohm
    • Total Peak Power: 640W
    • Variable High and Low Pass Filters
    • Dimensions: 9.8" W x 14.7" L x 2.4" H

    • RMS Power: 80W x 4 @ 4 ohm, 160W x 2 @ 2 ohm
    • Total Peak Power: 640W
    • Variable High and Low Pass Filters
    • Dimensions: 9.8" W x 14.7" L x 2.4" H

    Rockford Fosgate PBR300X4 Open Box

    300W RMS 4-Channel Class D Punch Boosted Rail Amplifier

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    Rockford Fosgate PBR300X4 Open Box

    300W RMS 4-Channel Class D Punch Boosted Rail Amplifier

    • Punch Series BR Full Range 4-Channel Car Amplifier
    • 75W x 4 chan. @ 4 ohm
    • Ultra Compact Chassis Design
    • Variable DC Offset Sensitivity
    • NOMAD Circuitry Protection Technology
    • CEA-2006 Compliant

    • Punch Series BR Full Range 4-Channel Car Amplifier
    • 75W x 4 chan. @ 4 ohm
    • Ultra Compact Chassis Design
    • Variable DC Offset Sensitivity
    • NOMAD Circuitry Protection Technology
    • CEA-2006 Compliant

    Crunch Power Drive 1000W Max 4-Channel Class A/B Bridgeable Amplifier (2 Pack)

    Crunch Power Drive 1000W Max 4-Channel Class A/B Bridgeable Amplifier (2 Pack)

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    Crunch Power Drive 1000W Max 4-Channel Class A/B Bridgeable Amplifier (2 Pack)

    Crunch Power Drive 1000W Max 4-Channel Class A/B Bridgeable Amplifier (2 Pack)

    • 125 Watts Max x 4 @ 4 ohm
    • 250 Watts Max x 4 @ 2 ohm
    • Bridged: 500 Watts Max x 2 @ 4 ohm
    • Total Peak Power: 1000 Watts
    • Variable high-pass filter: 60 - 1200 Hz
    • Variable low-pass filter: 30 - 250 Hz
    • Variable Bass Boost: 0 to +9 dB bass boost at 50 Hz
    • Dimensions: 11.4"W x 14.2"L x 3.8"H

    • 125 Watts Max x 4 @ 4 ohm
    • 250 Watts Max x 4 @ 2 ohm
    • Bridged: 500 Watts Max x 2 @ 4 ohm
    • Total Peak Power: 1000 Watts
    • Variable high-pass filter: 60 - 1200 Hz
    • Variable low-pass filter: 30 - 250 Hz
    • Variable Bass Boost: 0 to +9 dB bass boost at 50 Hz
    • Dimensions: 11.4"W x 14.2"L x 3.8"H

    Kicker PXA300.4 (42PXA3004) Open Box

    300W 4-Channel PXA-Series Powersports/ATV/Motorcycle/Car/Boat/Mini Amplifier

    42PXA3004 big DISCONTINUED
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    Kicker PXA300.4 (42PXA3004) Open Box

    300W 4-Channel PXA-Series Powersports/ATV/Motorcycle/Car/Boat/Mini Amplifier

    • RMS: 50W x 4 @ 4 ohm, 75W x 4 @ 2 ohm, 150W x 2 @ 1 ohm
    • Total RMS power output: 200 Watts
    •Weather-resistant with a conformal-coated circuit board
    •Specifically designed for motorized vehicles
    • No-rust, stainless-steel mounting hardware and a single Molex plug

    4

    • RMS: 50W x 4 @ 4 ohm, 75W x 4 @ 2 ohm, 150W x 2 @ 1 ohm
    • Total RMS power output: 200 Watts
    •Weather-resistant with a conformal-coated circuit board
    •Specifically designed for motorized vehicles
    • No-rust, stainless-steel mounting hardware and a single Molex plug

    Autotek Super Sport 2500W Class A/B 4 Channel Car Audio Amp Amplifier (2 Pack)

    Autotek Super Sport 2500W Class A/B 4 Channel Car Audio Amp Amplifier (2 Pack)

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    Autotek Super Sport 2500W Class A/B 4 Channel Car Audio Amp Amplifier (2 Pack)

    Autotek Super Sport 2500W Class A/B 4 Channel Car Audio Amp Amplifier (2 Pack)

    • 325 Watts Peak x 4 @ 4 ohm
    • 625 Watts Peak x 4 @ 2 ohm
    • 1250 Watts Peak x 2 @ 4 ohm, Bridged
    • Total Peak Power: 2500 Watts
    • Built-In High and Low Pass Filters
    • Heavy Duty Aluminum Heatsink
    • Dimensions: 11" W x 10.25" L x 2" H

    3

    • 325 Watts Peak x 4 @ 4 ohm
    • 625 Watts Peak x 4 @ 2 ohm
    • 1250 Watts Peak x 2 @ 4 ohm, Bridged
    • Total Peak Power: 2500 Watts
    • Built-In High and Low Pass Filters
    • Heavy Duty Aluminum Heatsink
    • Dimensions: 11" W x 10.25" L x 2" H

    NVX XAD42 (Like New (Open Box))

    3200W RMS X-Series Full-Bridge Class D 1-Ohm Stable 4-Channel Amplifier

    XAD42 big DISCONTINUED
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    NVX XAD42 (Like New (Open Box))

    3200W RMS X-Series Full-Bridge Class D 1-Ohm Stable 4-Channel Amplifier

    • 350 watts x 4 channel Watts RMS x 1 @ 4 ohm
    • 400 watts x 4 channel Watts RMS x 1 @ 2 ohm
    • 800 watts x 4 channel Watts RMS x 1 @ 1 ohm
    • Total RMS Power: 3200 watts
    • CEA-2006 Compliant

    • 350 watts x 4 channel Watts RMS x 1 @ 4 ohm
    • 400 watts x 4 channel Watts RMS x 1 @ 2 ohm
    • 800 watts x 4 channel Watts RMS x 1 @ 1 ohm
    • Total RMS Power: 3200 watts
    • CEA-2006 Compliant

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      FAQ Frequently asked questions in Discontinued 4-Channel Amplifiers

      4 Channel Amplifiers Frequently Asked Questions (FAQ)
      A 4-channel amplifier is a type of car audio amplifier that features four separate channels, each capable of powering a speaker or a pair of speakers. By distributing power across four channels, you can connect your front and rear speakers to the amplifier, significantly enhancing the overall sound quality and clarity in your car audio system. With a 4-channel amplifier, you can achieve a balanced soundstage, where the music seems to come from different directions, providing an immersive listening experience. Additionally, these amplifiers often come with adjustable crossovers and gain controls, allowing you to fine-tune the audio output for each set of speakers, optimizing the sound reproduction according to your preferences.
      Yes, many 4-channel amplifiers are bridgeable, allowing you to combine two channels to power a single speaker or subwoofer with higher output power. This bridging capability is useful if you have a pair of high-powered front speakers or a powerful subwoofer that requires more power than a single channel can provide. However, it's essential to check the amplifier's specifications and instructions to confirm its bridgeability and the recommended bridging configurations. Not all 4-channel amplifiers support bridging, and improper bridging can damage the amplifier or connected speakers. If you are unsure about bridging your 4-channel amplifier, consult the amplifier's manual or reach out to Sonic Electronix customer support for expert assistance.
      To select the right 4-channel amplifier for your speakers, consider their power handling capabilities and impedance. First, identify the RMS power rating of your front and rear speakers. The amplifier's RMS power output per channel should match or slightly exceed the RMS power rating of your speakers to ensure optimal performance without distortion. Next, check the impedance (measured in ohms) of your speakers, as well as the amplifier's minimum and maximum impedance ratings. Match the speaker impedance with the appropriate amplifier channels to prevent compatibility issues. For example, if your speakers have an impedance of 4 ohms, make sure the amplifier channels for those speakers can handle a 4-ohm load. Paying attention to these specifications ensures a seamless integration of your speakers with the 4-channel amplifier.
      Yes, a 4-channel amplifier can be used to power additional speakers, such as tweeters or coaxial speakers, in your car audio system. Beyond the front and rear speakers, a 4-channel amplifier has the flexibility to accommodate additional speaker types, provided that the total load impedance and power requirements of the amplifier's channels are within its specifications. For example, if your 4-channel amplifier has two unused channels, you can use them to power additional speakers for improved sound coverage and audio performance. Be cautious not to overload the amplifier, and ensure that the speakers' impedance and power handling align with the available channels to avoid damaging the amplifier or speakers. If you have questions about expanding your audio system with a 4-channel amplifier, seek expert advice from Sonic Electronix.
      A proper and safe installation of a 4-channel amplifier is essential for optimal performance and to prevent any electrical or mechanical issues. To ensure a successful installation, start by reading the amplifier's user manual thoroughly, as it contains specific instructions and guidelines for installation. Follow all safety precautions and use the appropriate wiring and connectors rated for the amplifier's power output. Securely mount the amplifier in a well-ventilated area, away from heat sources, and avoid placing it on carpeted surfaces. Route and secure all cables carefully to avoid interference and potential hazards. Double-check all connections to ensure they are tight and secure. If you are not confident in installing the amplifier yourself, consider seeking professional installation services to ensure a safe and expertly done installation that optimizes the performance of your 4-channel amplifier and car audio system.
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