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

Discontinued 4-Channel Amplifiers

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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.
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.
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.
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.
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.

Speaker Level Inputs
Speaker level inputs are commonly referred to as high-level inputs and vice versa. This input type allows you to get your audio signal directly from the speaker wire in your vehicle, instead of using RCA cables. The advantage of this is factory integration, as most stock radios do not have RCA outputs to run amplifiers.
Maximum Input Gauge Size
This is the largest gauge wire that will fit into the power and ground terminals of this device. The lower the gauge number, the thicker the wire is. For example, a 4 gauge wire is thicker than an 8 gauge wire and thus has higher current carrying capacity. Always do your best to get this size wire to reduce the risk of damage to your components.
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EXCLUSIVE

JBL GTO-504EZ_SK6681 4-Channel A/B Car Amplifier and 8 Gauge Amplifier Installation Kit

4-Channel GTO Series Class A/B Car Amplifier and 8 Gauge 6000 Series Complete Amplifier Installation Kit

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JBL GTO-504EZ_SK6681 4-Channel A/B Car Amplifier and 8 Gauge Amplifier Installation Kit

4-Channel GTO Series Class A/B Car Amplifier and 8 Gauge 6000 Series Complete Amplifier Installation Kit

4-Channel GTO Series Class AB Car Amplifier • Max power output: 160 watts x 4 chan. • Bridged; 4 ohm: 150 watts x 2 chan. • 8 Gauge 6000 Series Complete Amplifier Wiring Kit • Made From 100% Oxygen-Free Copper

4-Channel GTO Series Class AB Car Amplifier • Max power output: 160 watts x 4 chan. • Bridged; 4 ohm: 150 watts x 2 chan. • 8 Gauge 6000 Series Complete Amplifier Wiring Kit • Made From 100% Oxygen-Free Copper

EXCLUSIVE

JBL GTO-804EZ Class A/B Amplier & 8 Gauge Amp Installation Kit

4-Channel GTO Series Class A/B Car Amplifier & 8 Gauge 6000 Series Complete Amplifier Installation Kit

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JBL GTO-804EZ Class A/B Amplier & 8 Gauge Amp Installation Kit

4-Channel GTO Series Class A/B Car Amplifier & 8 Gauge 6000 Series Complete Amplifier Installation Kit

4-Channel GTO Series Class AB Car Amplifier • Bridged; 4 ohm: 200 watts x 2 chan. • Max power output: 235 watts x 4 chan. • 8 Gauge Designed Specifically for Car Audio Systems up to 400 Watts • Made From 100% Oxygen-Free Copper

4-Channel GTO Series Class AB Car Amplifier • Bridged; 4 ohm: 200 watts x 2 chan. • Max power output: 235 watts x 4 chan. • 8 Gauge Designed Specifically for Car Audio Systems up to 400 Watts • Made From 100% Oxygen-Free Copper

EXCLUSIVE

Crunch P1 1000.4 + Amplifier Kit

1000W Max, 4-Channel Power One Series Car Amplifier with 4 Gauge Amplifier Kit Included (P11000.4)

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Crunch P1 1000.4 + Amplifier Kit

1000W Max, 4-Channel Power One Series Car Amplifier with 4 Gauge Amplifier Kit Included (P11000.4)

Power One Series 4-Channel Class A/B Car Amplifier • 1000W Max • 125W x 4-Chan @ 2 Ohm • SEPP Analog Amplifier • Variable Bass Boost • Speaker-Level Inputs • Preamp RCA Outputs • Included 4 Gauge Amplifier Kit

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Power One Series 4-Channel Class A/B Car Amplifier • 1000W Max • 125W x 4-Chan @ 2 Ohm • SEPP Analog Amplifier • Variable Bass Boost • Speaker-Level Inputs • Preamp RCA Outputs • Included 4 Gauge Amplifier Kit

Crunch PX-1000.4 1000 Watt Amp Car Stereo Amplifier + Amp Kit

1000W POWERX Series 4-channel Bridgeable Car Audio Amplifier Package

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Crunch PX-1000.4 1000 Watt Amp Car Stereo Amplifier + Amp Kit

1000W POWERX Series 4-channel Bridgeable Car Audio Amplifier Package

• 125 Watts RMS x 4 @ 4 ohm
• 250 Watts RMS x 4 @ 2 ohm
• 500 Watts RMS 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

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• 125 Watts RMS x 4 @ 4 ohm
• 250 Watts RMS x 4 @ 2 ohm
• 500 Watts RMS 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

Hifonics Zeus ZXX-1000.4 1000w RMS 4-Ch Car Amplifier Class AB+Amp Kit+Capacitor

1000W Peak Zeus Series Class-A/B 4-Channel 4-Ohm Stable Amplifier (ZXX10004) Package

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Hifonics Zeus ZXX-1000.4 1000w RMS 4-Ch Car Amplifier Class AB+Amp Kit+Capacitor

1000W Peak Zeus Series Class-A/B 4-Channel 4-Ohm Stable Amplifier (ZXX10004) Package

• 125 Watts Peak x 4 @ 4 ohm
• 250 Watts Peak x 4 @ 2 ohm
• Total Peak Power: 500 Watts
• Low-Pass Filter and High-Pass Filter
• Variable Bass Boost
• Aluminum Heatsink
• 15.7" W x 10" L x 2.4" H

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• 125 Watts Peak x 4 @ 4 ohm
• 250 Watts Peak x 4 @ 2 ohm
• Total Peak Power: 500 Watts
• Low-Pass Filter and High-Pass Filter
• Variable Bass Boost
• Aluminum Heatsink
• 15.7" W x 10" L x 2.4" H

EXCLUSIVE

Infinity KAPPA-FOUR + Amplifier Kit

1200W Max , 4 Channel Class D Car Amplifier + Kicker 4 Gauge Amplifier Kit + 1 Farad Capacitor

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Infinity KAPPA-FOUR + Amplifier Kit

1200W Max , 4 Channel Class D Car Amplifier + Kicker 4 Gauge Amplifier Kit + 1 Farad Capacitor

Infinity KAPPA 4-Channel Class D Car Amplifier • DirectFET Transistors for Increased Power Output • 3-Way Smart System Protection • Variable Low-Pass Filter • Variable High-Pass Filter • RX1200 Digital 1.2 Farad Capacitor • Bright LED Voltage Display • For Systems up to 1200 Watts

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Infinity KAPPA 4-Channel Class D Car Amplifier • DirectFET Transistors for Increased Power Output • 3-Way Smart System Protection • Variable Low-Pass Filter • Variable High-Pass Filter • RX1200 Digital 1.2 Farad Capacitor • Bright LED Voltage Display • For Systems up to 1200 Watts

MTX Audio TC6004 + Amplifier Kit

1800W Max 4-Channel Amplifier w/ 4 Gauge Amplifier Kit and 4 Channel RCA Interconnects

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MTX Audio TC6004 + Amplifier Kit

1800W Max 4-Channel Amplifier w/ 4 Gauge Amplifier Kit and 4 Channel RCA Interconnects

Thunder Series 4-Channel Class A/B Car Amplifier • 1800W Max • 150 Watts x 4 Chan. @ 2 Ohm • Speaker Level Inputs • Preamp Summed RCA Output • Wired Remote Bass Level Control • Includes Amp Kit & RCA Interconnects

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Thunder Series 4-Channel Class A/B Car Amplifier • 1800W Max • 150 Watts x 4 Chan. @ 2 Ohm • Speaker Level Inputs • Preamp Summed RCA Output • Wired Remote Bass Level Control • Includes Amp Kit & RCA Interconnects

MB Quart DSC 480 + Amplifier Kit

640W RMS, Class A/B 4-Channel Discus Series Amplifier (DSC480d) w/ 4 Gauge Amp Kit

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MB Quart DSC 480 + Amplifier Kit

640W RMS, Class A/B 4-Channel Discus Series Amplifier (DSC480d) w/ 4 Gauge Amp Kit

Discus Series 4-Channel Class AB Car Amplifier • 80W x 4 Chan. @ 4 Ohm • 160W x 4 Chan. @ 2 Ohm • 320W x 2 Chan. @ 4 Ohm • Preamp RCA Outputs • Includes a 4 Gauge Amplifier Kit

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Discus Series 4-Channel Class AB Car Amplifier • 80W x 4 Chan. @ 4 Ohm • 160W x 4 Chan. @ 2 Ohm • 320W x 2 Chan. @ 4 Ohm • Preamp RCA Outputs • Includes a 4 Gauge Amplifier Kit

EXCLUSIVE

Kenwood KAC-8405 + Amplifier Kit

720W Max, 4-Channel Performance Series Amplifier with 4 Gauge Amplifier Kit

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Kenwood KAC-8405 + Amplifier Kit

720W Max, 4-Channel Performance Series Amplifier with 4 Gauge Amplifier Kit

4-Channel Class AB Car Amplifier • 60W x 4 chan. @ 4 ohm • 90W x 4 chan. @ 2 ohm • 180W x 2 chan. @ 4 ohm • 720W Max • Built-in cooling fan • Included 4 Gauge Amplifier Kit

4-Channel Class AB Car Amplifier • 60W x 4 chan. @ 4 ohm • 90W x 4 chan. @ 2 ohm • 180W x 2 chan. @ 4 ohm • 720W Max • Built-in cooling fan • Included 4 Gauge Amplifier Kit

EXCLUSIVE

1900 Watt Crunch Powerzone Dual Amplifier Combo with Power Wiring Kit

List price $489.97: PZX Series 1000W Monoblock & 900W 4-Channel Class AB Amplifiers with 1/0 + 4 Gauge Dual Amplifier Power Kit

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1900 Watt Crunch Powerzone Dual Amplifier Combo with Power Wiring Kit

List price $489.97: PZX Series 1000W Monoblock & 900W 4-Channel Class AB Amplifiers with 1/0 + 4 Gauge Dual Amplifier Power Kit

• Total Peak Power: 1900 Watts
• SEPP (Single Ended Push Pull) A/B Class Amplifier Designs
• Wired remote bass level control included
• Variable subsonic filter: 10 - 40 Hz
• Variable Bass Boost and Full-Range Crossovers

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• Total Peak Power: 1900 Watts
• SEPP (Single Ended Push Pull) A/B Class Amplifier Designs
• Wired remote bass level control included
• Variable subsonic filter: 10 - 40 Hz
• Variable Bass Boost and Full-Range Crossovers

EXCLUSIVE

RE Audio XTX-800.4 + Amplifier Kit Bundle

800W 4-Channel Class A/B Car Amp + Kicker 8 Gauge Kit + RCA Cables + 1F Capacitor + Ring Terminals

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RE Audio XTX-800.4 + Amplifier Kit Bundle

800W 4-Channel Class A/B Car Amp + Kicker 8 Gauge Kit + RCA Cables + 1F Capacitor + Ring Terminals

XTX Series 4-Channel Full Range Digital Car Amplifier • PWM MOSFET Power Supply • Variable Low-Pass Filter • Variable High-Pass Filter • RX1200 Digital 1.2 Farad Capacitor • For Systems up to 1200 Watts • Complete 8 Gauge Amplifier Installation Kit with RCA Interconnect Cables

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XTX Series 4-Channel Full Range Digital Car Amplifier • PWM MOSFET Power Supply • Variable Low-Pass Filter • Variable High-Pass Filter • RX1200 Digital 1.2 Farad Capacitor • For Systems up to 1200 Watts • Complete 8 Gauge Amplifier Installation Kit with RCA Interconnect Cables

EXCLUSIVE

Crossfire C3 704 + Amplifier Kit

400W RMS, 4-Channel Class A/B Car Amplifier + Kicker 09ZCK84 8 Gauge Amplifier Installation Kit

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Crossfire C3 704 + Amplifier Kit

400W RMS, 4-Channel Class A/B Car Amplifier + Kicker 09ZCK84 8 Gauge Amplifier Installation Kit

C3 Series 4 Channel Class A/B Car Amplifier • MOSFET Power Supply • 2-Way System Protection • Variable Low-Pass Filter • Variable High-Pass Filter • High-Level Speaker Inputs; Complete 8 Gauge Z-Series Amp Kit • For Systems up to 500 Watts

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C3 Series 4 Channel Class A/B Car Amplifier • MOSFET Power Supply • 2-Way System Protection • Variable Low-Pass Filter • Variable High-Pass Filter • High-Level Speaker Inputs; Complete 8 Gauge Z-Series Amp Kit • For Systems up to 500 Watts

EXCLUSIVE

Crossfire BMF400.4 + Amplifier Kit

400W RMS, 4-Channel Class A/B Car Amplifier + Kicker 09ZCK44 4 Gauge Amplifier Kit + Sound Dampening

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Crossfire BMF400.4 + Amplifier Kit

400W RMS, 4-Channel Class A/B Car Amplifier + Kicker 09ZCK44 4 Gauge Amplifier Kit + Sound Dampening

BMF Series 4-Channel Class A/B Car Amplifier • MOSFET Power Supply • 5-Way System Protection • Variable Low/High-Pass Filters • Variable High-Pass Filter • Complete 4 Gauge Z-Series Amp Kit; For Systems up to 1000 Watts • Four 12" x 36" pieces of Sound Damp

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BMF Series 4-Channel Class A/B Car Amplifier • MOSFET Power Supply • 5-Way System Protection • Variable Low/High-Pass Filters • Variable High-Pass Filter • Complete 4 Gauge Z-Series Amp Kit; For Systems up to 1000 Watts • Four 12" x 36" pieces of Sound Damp

EXCLUSIVE

MB Quart FX4.100 + Amplifier Kit Bundle

800W Max, 4-Channel Formula Amplifier + Raptor 8 Gauge Amp Kit + Cache CTM Sound Dampening Material

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MB Quart FX4.100 + Amplifier Kit Bundle

800W Max, 4-Channel Formula Amplifier + Raptor 8 Gauge Amp Kit + Cache CTM Sound Dampening Material

Formula Series 4-Channel Class A/B Car Amplifier • PWM MOSFET Power Supply • 4-way Protection Circuitry • Variable Low-Pass Filter • Variable High-Pass Filter • Amplifier Installation Kit with RCA Interconnect Cable • Designed for Systems Up to 1000W • Five 18" x 32" Pieces of Dead Shield Sound Dampening Material

34

Formula Series 4-Channel Class A/B Car Amplifier • PWM MOSFET Power Supply • 4-way Protection Circuitry • Variable Low-Pass Filter • Variable High-Pass Filter • Amplifier Installation Kit with RCA Interconnect Cable • Designed for Systems Up to 1000W • Five 18" x 32" Pieces of Dead Shield Sound Dampening Material

EXCLUSIVE

Power Acoustik D4-2400 + Amplifier Kit Bundle

2400W RMS, 4-Channel Demon Amplifier with Remote Subwoofer Level Control + Raptor 4 Gauge Amp Kit

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Power Acoustik D4-2400 + Amplifier Kit Bundle

2400W RMS, 4-Channel Demon Amplifier with Remote Subwoofer Level Control + Raptor 4 Gauge Amp Kit

Demon Series 4-Channel Class AB Car Amplifier • PWM MOSFET Power Supply • 3-way Protection Circuitry • Variable Low-Pass Filter • High-Pass Crossover • Amplifier Installation Kit with RCA Interconnect Cable • Designed for Systems Up to 1000W

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Demon Series 4-Channel Class AB Car Amplifier • PWM MOSFET Power Supply • 3-way Protection Circuitry • Variable Low-Pass Filter • High-Pass Crossover • Amplifier Installation Kit with RCA Interconnect Cable • Designed for Systems Up to 1000W

EXCLUSIVE

MTX Audio RT604 + Amplifier Kit

360W Max, 4-Channel Class A/B Car Amp + The Install Bay 8 Gauge Amp Kit + 1F Cap + Ring Terminals

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MTX Audio RT604 + Amplifier Kit

360W Max, 4-Channel Class A/B Car Amp + The Install Bay 8 Gauge Amp Kit + 1F Cap + Ring Terminals

Road Thunder Series 4-Channel Class AB Car Amplifier • PWM MOSFET Power Supply • 3-Way Protection Circuitry • Variable Low-Pass Filter • Variable High-Pass Filter • RX1200 Digital 1.2 Farad Capacitor • For Systems up to 1200 Watts • Complete 8 Gauge Amplifier Installation Kit with RCA Interconnect Cables

68

Road Thunder Series 4-Channel Class AB Car Amplifier • PWM MOSFET Power Supply • 3-Way Protection Circuitry • Variable Low-Pass Filter • Variable High-Pass Filter • RX1200 Digital 1.2 Farad Capacitor • For Systems up to 1200 Watts • Complete 8 Gauge Amplifier Installation Kit with RCA Interconnect Cables

EXCLUSIVE

Hifonics HFi100.4 + Amplifier Kit

800W RMS, 4-Channel HFi Series Amplifier (HFi 100.4) with 4 Gauge Amplifier Kit

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Hifonics HFi100.4 + Amplifier Kit

800W RMS, 4-Channel HFi Series Amplifier (HFi 100.4) with 4 Gauge Amplifier Kit

HFi Series 4-Channel Class A/B Car Amplifier • 200W x 4-Chan. @ 2 Ohm • 100W x 4-Chan. @ 4 Ohm • Tri-Mode Speaker Operation • 4-Way System Protection Circuitry • Preamp RCA Outputs • Included 4 AWG Amplifier Kit

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HFi Series 4-Channel Class A/B Car Amplifier • 200W x 4-Chan. @ 2 Ohm • 100W x 4-Chan. @ 4 Ohm • Tri-Mode Speaker Operation • 4-Way System Protection Circuitry • Preamp RCA Outputs • Included 4 AWG Amplifier Kit

Bazooka BA460 + Amplifier Kit

600W Max (350W RMS), 4-Channel Car Amplifier w/ 8 Gauge Amp Kit

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Bazooka BA460 + Amplifier Kit

600W Max (350W RMS), 4-Channel Car Amplifier w/ 8 Gauge Amp Kit

Bazooka BA Series 4-Channel Class AB Car Amplifier • 60W x 4 chan @ 4 ohm • 85W x 4 chan @ 2 ohm • MOSFET Power Supply • Tri-Mode Capability • 3-Way System Protection Circuitry • Chrome End Caps • Includes 4 Gauge Amplifier Kit

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Bazooka BA Series 4-Channel Class AB Car Amplifier • 60W x 4 chan @ 4 ohm • 85W x 4 chan @ 2 ohm • MOSFET Power Supply • Tri-Mode Capability • 3-Way System Protection Circuitry • Chrome End Caps • Includes 4 Gauge Amplifier Kit

EXCLUSIVE

Audiobahn A4004J + Amplifier Kit

400W Max , 4 Channel Class AB Intake Series Car Amplifier + 8 Gauge Amplifier Kit + 1 Farad Cap

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Audiobahn A4004J + Amplifier Kit

400W Max , 4 Channel Class AB Intake Series Car Amplifier + 8 Gauge Amplifier Kit + 1 Farad Cap

4-Channel Class AB Intake Series Car Amplifier • PWM MOSFET Power Supply • 3-way Protection Circuitry • Variable Low-Pass Filter • Subsonic Filter • RX1200 Digital 1.2 Farad Capacitor • Bright LED Voltage Display • For Systems up to 1200 Watts

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4-Channel Class AB Intake Series Car Amplifier • PWM MOSFET Power Supply • 3-way Protection Circuitry • Variable Low-Pass Filter • Subsonic Filter • RX1200 Digital 1.2 Farad Capacitor • Bright LED Voltage Display • For Systems up to 1200 Watts

500W Cerwin-Vega Amplifier + Kicker Amplifier Kit Bundle

Cerwin-Vega VEGA500.4 Amplifier + Kicker ZCK44 Amplifier Kit

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500W Cerwin-Vega Amplifier + Kicker Amplifier Kit Bundle

Cerwin-Vega VEGA500.4 Amplifier + Kicker ZCK44 Amplifier Kit

Cerwin-Vega VEGA500.4 Amplifier + Kicker ZCK44 Amplifier Kit • 4 ohm: 75 watts x 4 chan. • 2 ohm: 125 watts x 4 chan. • Bridged, 4 ohm: 250 watts x 2 chan. • VEGA Series 4-Channel Class AB Car Amplifier

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Cerwin-Vega VEGA500.4 Amplifier + Kicker ZCK44 Amplifier Kit • 4 ohm: 75 watts x 4 chan. • 2 ohm: 125 watts x 4 chan. • Bridged, 4 ohm: 250 watts x 2 chan. • VEGA Series 4-Channel Class AB Car Amplifier

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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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    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
    • You get the correct accessories the first time

    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.

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