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

Discontinued Monoblock 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.
Series
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.
Brutus Series (77)
Zeus Series (59)
CX Series (28)
Reference Series (25)
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HD Series (22)
Prime Series (22)
N Series (21)
ONYX Series (20)
Anarchy Series (18)
Mean Machine Series (18)
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Brutus X 14 Series (16)
MD Series (16)
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Armor Series (15)
GM Digital Series (15)
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PowerZone Series (15)
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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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You are currently viewing discontinued products.

Hifonics BXi 1610D Open Box

(Open Box) 1600W RMS, Brutus BXi Series Class D Monoblock Amplifier (BXi1610D)

BXi1610D big DISCONTINUED
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Hifonics BXi 1610D Open Box

(Open Box) 1600W RMS, Brutus BXi Series Class D Monoblock Amplifier (BXi1610D)

1600W RMS, Brutus BXi Series Class D Monoblock Amplifier • 550W x 1 Chan. @ 4 Ohm • 1100W x 1 Chan. @ 2 Ohm • 1600W x 1 Chan. @ 1 Ohm • Super D-Class • Tuned Bass EQ • 1 Ohm Stable • Balanced Line Input

1600W RMS, Brutus BXi Series Class D Monoblock Amplifier • 550W x 1 Chan. @ 4 Ohm • 1100W x 1 Chan. @ 2 Ohm • 1600W x 1 Chan. @ 1 Ohm • Super D-Class • Tuned Bass EQ • 1 Ohm Stable • Balanced Line Input

Boss 4600W Bass Phantom Series Package

Dual Boss 12" Phantom Subwoofers w/ Class A/B Phantom Monoblock Amp and Amp Kit

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Boss 4600W Bass Phantom Series Package

Dual Boss 12" Phantom Subwoofers w/ Class A/B Phantom Monoblock Amp and Amp Kit

• Dual 12" Phantom Series Subwoofers
• Power Output: 4600W Total (2300W Each Sub)
• Phantom Series Class AB Monoblock Amplifier
• Peak Power: 1500W
• Complete 4 Gauge 2-Channel Amplifier Installation Kit

• Dual 12" Phantom Series Subwoofers
• Power Output: 4600W Total (2300W Each Sub)
• Phantom Series Class AB Monoblock Amplifier
• Peak Power: 1500W
• Complete 4 Gauge 2-Channel Amplifier Installation Kit

Audiobahn A1500HCT

4000W Max, High Current MonoBlock Amplifier

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Audiobahn A1500HCT

4000W Max, High Current MonoBlock Amplifier

4000W Max, High Current Series Monoblock Amplifier with Bass Remote • 2000W RMS @ 1 ohm • 1000W RMS @ 2 ohm • 500W RMS @ 4 ohm • Blue Illuminated VU Meter • Beautiful Chrome Design Heatsink • S/N Ratio: 100dB • Bass Boost: 0-18dB

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4000W Max, High Current Series Monoblock Amplifier with Bass Remote • 2000W RMS @ 1 ohm • 1000W RMS @ 2 ohm • 500W RMS @ 4 ohm • Blue Illuminated VU Meter • Beautiful Chrome Design Heatsink • S/N Ratio: 100dB • Bass Boost: 0-18dB

SoundStorm (SSL) EV5000D OPEN BOX COMPLETE

5000W Max, Evolution Series Class D Monoblock Power Amplifier

EV5000D big DISCONTINUED
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SoundStorm (SSL) EV5000D OPEN BOX COMPLETE

5000W Max, Evolution Series Class D Monoblock Power Amplifier

  • Item Condition: Open box complete
    • • RMS: 1800W x 1 @ 4 ohm, 2500W x 1 @ 2 ohm
    • Peak: 2200W x 1 @ 4 ohm, 3500W x 1 @ 2 ohm, 5000W x 1 @ 1 ohm
    • Wired Bass Level Remote
    • Bass Boost: 0-18 dB
    • DataLink Cable for Connecting Two Evolution Amps
    • Dimensions: 10"D x 19-1/2"W x 2-3/8"H

  • Item Condition: Open box complete
    • • RMS: 1800W x 1 @ 4 ohm, 2500W x 1 @ 2 ohm
    • Peak: 2200W x 1 @ 4 ohm, 3500W x 1 @ 2 ohm, 5000W x 1 @ 1 ohm
    • Wired Bass Level Remote
    • Bass Boost: 0-18 dB
    • DataLink Cable for Connecting Two Evolution Amps
    • Dimensions: 10"D x 19-1/2"W x 2-3/8"H

    SoundStorm (SSL) EV4000D Open Box

    4000W Max, Evolution Series Class D Monoblock Power Amplifier with Remote Level Control

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    SoundStorm (SSL) EV4000D Open Box

    4000W Max, Evolution Series Class D Monoblock Power Amplifier with Remote Level Control

    Evolution Series Class D Car Amplifier • Single-Channel Monoblock • 4000W x 1 Chan. @ 1 Ohm • 3000W x 1 Chan. @ 2 Ohm • 1600W x 1 Chan. @ 4 Ohm • LED Protection Indicators • DataLink for Strapping Amps Together

    Evolution Series Class D Car Amplifier • Single-Channel Monoblock • 4000W x 1 Chan. @ 1 Ohm • 3000W x 1 Chan. @ 2 Ohm • 1600W x 1 Chan. @ 4 Ohm • LED Protection Indicators • DataLink for Strapping Amps Together

    Valor VPA801

    1600W Max, Monoblock Amplifier (VPA-801)

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    Valor VPA801

    1600W Max, Monoblock Amplifier (VPA-801)

    VPA Series Class AB Monoblock Car Amplifier • 800W x 1 chan. @ 4 ohm • 1000W x 1 chan. @ 2 ohm • 1600W x 1 chan. Max • Preamp RCA outputs • Adjustable gain control

    VPA Series Class AB Monoblock Car Amplifier • 800W x 1 chan. @ 4 ohm • 1000W x 1 chan. @ 2 ohm • 1600W x 1 chan. Max • Preamp RCA outputs • Adjustable gain control

    Autotek SM3200.1 (Factory Refurbished)

    3200W Max Monoblock Street Machine Series Class D Car Amplifier

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    Autotek SM3200.1 (Factory Refurbished)

    3200W Max Monoblock Street Machine Series Class D Car Amplifier

    • Peak: 800W x 1 @ 4 ohm, 1600W x 1 @ 2 ohm, 3200W x 1 @ 1 ohm
    • Total Peak Power: 3200W
    • 1 Pair of Preamp Outputs
    • Bass Boost 0-12 dB at 45 Hz
    • Iluminated Power VU Meter for Stylish Retro Look
    • Dimensions: 9-3/8"W x 11-13/16"D x 2-1/2"H

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    • Peak: 800W x 1 @ 4 ohm, 1600W x 1 @ 2 ohm, 3200W x 1 @ 1 ohm
    • Total Peak Power: 3200W
    • 1 Pair of Preamp Outputs
    • Bass Boost 0-12 dB at 45 Hz
    • Iluminated Power VU Meter for Stylish Retro Look
    • Dimensions: 9-3/8"W x 11-13/16"D x 2-1/2"H

    Infinity 310a Reference Series

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    Infinity 310a Reference Series

    312 watts RMS x 1 at 2 ohm • low-pass filter • Dynamic Bass Optimization circuit • preamp outputs

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    312 watts RMS x 1 at 2 ohm • low-pass filter • Dynamic Bass Optimization circuit • preamp outputs

    Crunch DRA2550.1D (Factory Refurbished)

    2500W Max V-Drive Series Class D Single Channel Monoblock Car Audio Amplifier

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    Crunch DRA2550.1D (Factory Refurbished)

    2500W Max V-Drive Series Class D Single Channel Monoblock Car Audio Amplifier

    • Peak: 625W x 1 @ 4 ohm, 1250W x 1 @ 2 ohm, 2500W x 1 @ 1 ohm
    • Total Peak Power: 2500W
    • Wired Bass Level Remote
    • Bass Boost: 0-10 dB
    • Illuminated Badge and Heatsink
    • Dimensions: 13-3/4"L x 9-1/2"W x 2-1/8"H

    • Peak: 625W x 1 @ 4 ohm, 1250W x 1 @ 2 ohm, 2500W x 1 @ 1 ohm
    • Total Peak Power: 2500W
    • Wired Bass Level Remote
    • Bass Boost: 0-10 dB
    • Illuminated Badge and Heatsink
    • Dimensions: 13-3/4"L x 9-1/2"W x 2-1/8"H

    EXCLUSIVE

    Kicker 07TC104 + Kicker 08ZX300.1

    Loaded 10" Vented Truck Box with 1 Comp Sub + Matching Monoblock Amplifier

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    Kicker 07TC104 + Kicker 08ZX300.1

    Loaded 10" Vented Truck Box with 1 Comp Sub + Matching Monoblock Amplifier

    10" Kicker Comp Vented Truck Enclosure + Subwoofer • 300W Max • 150W RMS • Double-Stitched Surround • ZX Series Class AB Monoblock Car Amplifier • 300W RMS power output (a great match for the angled box)

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    10" Kicker Comp Vented Truck Enclosure + Subwoofer • 300W Max • 150W RMS • Double-Stitched Surround • ZX Series Class AB Monoblock Car Amplifier • 300W RMS power output (a great match for the angled box)

    Pioneer PRS-D3000SPL Factory R/B

    Factory Refurbished with 90 Days Warranty

    PRS-D3000SPL big DISCONTINUED
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    Pioneer PRS-D3000SPL Factory R/B

    Factory Refurbished with 90 Days Warranty

    2000 Watts Monoblock Subwoofer Amplifier • MOSFET power supply • Variable Crossover • Subsonic filter • 12dB bass boost

    2000 Watts Monoblock Subwoofer Amplifier • MOSFET power supply • Variable Crossover • Subsonic filter • 12dB bass boost

    Hifonics GLX2200.1D (Factory Refurbished)

    2200W RMS Class D Monoblock Gladiator Series Amplifier

    GLX2200.1D big DISCONTINUED
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    Hifonics GLX2200.1D (Factory Refurbished)

    2200W RMS Class D Monoblock Gladiator Series Amplifier

    Gladiator Series Monoblock Class D Car Amplifier • 4 ohm: 800 watts x 1 chan. • 2 ohm: 1600 watts x 1 chan. • 1 ohm: 2200 watts x 1 chan.

    Gladiator Series Monoblock Class D Car Amplifier • 4 ohm: 800 watts x 1 chan. • 2 ohm: 1600 watts x 1 chan. • 1 ohm: 2200 watts x 1 chan.

    Hifonics HFi3000D (Factory Refurbished)

    3000W RMS, Class D Monoblock HFi Series Amplifier (HFi 3000D)

    HFi3000D big DISCONTINUED
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    Hifonics HFi3000D (Factory Refurbished)

    3000W RMS, Class D Monoblock HFi Series Amplifier (HFi 3000D)

    HFi Series Monoblock Class D Car Amplifier • 1500W x 1-Chan. @ 2 Ohm • 3000W x 1-Chan. @ 1 Ohm • Wired HFR-3 Bass Remote • 4-Way System Protection Circuitry • Preamp RCA Outputs • Blue Illuminated Hifonics Badge

    HFi Series Monoblock Class D Car Amplifier • 1500W x 1-Chan. @ 2 Ohm • 3000W x 1-Chan. @ 1 Ohm • Wired HFR-3 Bass Remote • 4-Way System Protection Circuitry • Preamp RCA Outputs • Blue Illuminated Hifonics Badge

    Audiobahn A1500HCT R/B

    4000W Max, High Current MonoBlock Amplifier (Factory Refurbished)

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    Audiobahn A1500HCT R/B

    4000W Max, High Current MonoBlock Amplifier (Factory Refurbished)

    4000W Max, High Current Series Monoblock Amplifier • 2000W RMS @ 1 ohm • 1000W RMS @ 2 ohm • 500W RMS @ 4 ohm • Blue Illuminated VU Meter • Beautiful Chrome Design Heatsink • S/N Ratio: 100dB • Bass Boost: 0-18dB

    4000W Max, High Current Series Monoblock Amplifier • 2000W RMS @ 1 ohm • 1000W RMS @ 2 ohm • 500W RMS @ 4 ohm • Blue Illuminated VU Meter • Beautiful Chrome Design Heatsink • S/N Ratio: 100dB • Bass Boost: 0-18dB

    Kenwood KAC-8105D Open Box

    (Open Box) 1000W Max, Class D Monoblock Performance Series Power Amplifier

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    Kenwood KAC-8105D Open Box

    (Open Box) 1000W Max, Class D Monoblock Performance Series Power Amplifier

    Class D Monoblock Car Amplifier • 300W x 1 chan. @ 4 ohm • 500W x 1 chan. @ 2 ohm • 1000W x 1 chan. Max • Speaker-level inputs • Gold Plated Preamp RCA outputs • Gold Plated Terminals

    Class D Monoblock Car Amplifier • 300W x 1 chan. @ 4 ohm • 500W x 1 chan. @ 2 ohm • 1000W x 1 chan. Max • Speaker-level inputs • Gold Plated Preamp RCA outputs • Gold Plated Terminals

    Autotek ATX2000.1

    2000W Max 1-Channel Monoblock Class AB ATX Series Amplifier

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    Autotek ATX2000.1

    2000W Max 1-Channel Monoblock Class AB ATX Series Amplifier

    Monoblock Class AB ATX Series Car Amplifier • PWM MOSFET Power Supply • Bass Boost • Soft Start Turn-On • High Level Inputs • Preamp RCA Outputs • 4-Way System Protection Circuitry • Flat Panel Heatsink Design • Subsonic Filter

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    Monoblock Class AB ATX Series Car Amplifier • PWM MOSFET Power Supply • Bass Boost • Soft Start Turn-On • High Level Inputs • Preamp RCA Outputs • 4-Way System Protection Circuitry • Flat Panel Heatsink Design • Subsonic Filter

    Hifonics ZRX1200.1D OPEN BOX COMPLETE

    1200W Max Class D Monoblock Zeus Series Amplifier

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    Hifonics ZRX1200.1D OPEN BOX COMPLETE

    1200W Max Class D Monoblock Zeus Series Amplifier

    • Peak: 400W x 1 @ 4 ohm, 600W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
    • Total Peak Power: 1200W
    • Class D Circuitry
    • Variable Bass Boost: 0 to +10 dB at 45 Hz
    • Wired Bass Remote Included
    • Dimensions: 12"L x 10"W x 2-7/16"H

    • Peak: 400W x 1 @ 4 ohm, 600W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
    • Total Peak Power: 1200W
    • Class D Circuitry
    • Variable Bass Boost: 0 to +10 dB at 45 Hz
    • Wired Bass Remote Included
    • Dimensions: 12"L x 10"W x 2-7/16"H

    Boss DD2600 R/B

    (Factory Refurbished) 2600W Max, Class D Monoblock Diablo Series Amplifier

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    Boss DD2600 R/B

    (Factory Refurbished) 2600W Max, Class D Monoblock Diablo Series Amplifier

    Diablo Series Class D Monoblock Car Amplifier • 900 x 1 chan. @ 4 ohm • 1350 x 1 chan. @ 2 ohm • 2600W x 1 chan. Max • Remote subwoofer control • Variable low pass crossover (24dB) • Input sensitivity selector

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    Diablo Series Class D Monoblock Car Amplifier • 900 x 1 chan. @ 4 ohm • 1350 x 1 chan. @ 2 ohm • 2600W x 1 chan. Max • Remote subwoofer control • Variable low pass crossover (24dB) • Input sensitivity selector

    Phoenix Gold Ryval V8001 Open Box

    (Open Box) 1600W Max, Class D Monoblock Amplifier

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    Phoenix Gold Ryval V8001 Open Box

    (Open Box) 1600W Max, Class D Monoblock Amplifier

    Ryval Series Class D Monoblock Car Amplifier • 600W x 1 chan. @ 4 ohm • 800W x 1 chan. @ 2 ohm • 1600W x 1 chan. Max • Low pass level input (remote level control sold separately) • Speaker-level inputs • Preamp RCA outputs

    Ryval Series Class D Monoblock Car Amplifier • 600W x 1 chan. @ 4 ohm • 800W x 1 chan. @ 2 ohm • 1600W x 1 chan. Max • Low pass level input (remote level control sold separately) • Speaker-level inputs • Preamp RCA outputs

    EXCLUSIVE

    Infinity Subs + Kicker Amp Upgrade Bundle

    860W 250W 8" Reference Series Subwoofer + KX400.1 400W RMS KX Series Monoblock Amplifier + XKIT42 2-Chan. 4 Gauge OFC Amp Installation Kit

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    Infinity Subs + Kicker Amp Upgrade Bundle

    860W 250W 8" Reference Series Subwoofer + KX400.1 400W RMS KX Series Monoblock Amplifier + XKIT42 2-Chan. 4 Gauge OFC Amp Installation Kit

    • Subwoofer: 250W RMS
    • Amplifier: RMS: 200W x 1 @ 4 ohm, 400W x 1 @ 2 ohm
    • CEA-2006 Compliant
    • 4 Gauge 2-Channel X-Series Complete Amplifier Installation Kit

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    • Subwoofer: 250W RMS
    • Amplifier: RMS: 200W x 1 @ 4 ohm, 400W x 1 @ 2 ohm
    • CEA-2006 Compliant
    • 4 Gauge 2-Channel X-Series Complete Amplifier Installation Kit

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      FAQ Frequently asked questions in Discontinued Monoblock Amplifiers

      A monoblock amplifier is a single-channel amplifier designed to power a single speaker or subwoofer. Unlike multi-channel amplifiers that can power multiple speakers simultaneously, a monoblock amplifier is dedicated to driving a specific speaker, typically a subwoofer. The advantage of a monoblock amplifier lies in its specialized design, which allows it to deliver higher power output to the subwoofer without interference from other speakers. This dedicated power delivery results in enhanced bass response and cleaner, more impactful low-frequency reproduction, making monoblock amplifiers a popular choice for car audio enthusiasts seeking powerful bass performance.
      Monoblock amplifiers are specifically designed to power subwoofers and are not intended for use with other speakers in your audio system. They usually have a single output channel optimized for low-frequency signals, making them unsuitable for driving mid-range or high-frequency speakers. For other speakers like door speakers or tweeters, you should use multi-channel amplifiers or dedicated channels on an audio processor. Using a monoblock amplifier for full-range speakers can result in poor audio performance and potential damage to the speakers.
      Monoblock amplifiers are compatible with most subwoofers, but it's crucial to consider the amplifier's power output and the subwoofer's power handling capabilities. The amplifier's power rating should match or slightly exceed the subwoofer's RMS power handling to ensure optimal performance and prevent overloading the subwoofer. Additionally, check the impedance (ohms) of both the amplifier and the subwoofer to ensure they match. Most monoblock amplifiers can handle both 2-ohm and 4-ohm loads, but some can also operate at 1-ohm, providing flexibility in subwoofer wiring configurations.
      No, monoblock amplifiers are not designed for bridging, as they are already single-channel amplifiers dedicated to powering a single subwoofer. Attempting to bridge a monoblock amplifier can cause damage to the amplifier and subwoofers. If you need to power multiple subwoofers, consider using multi-channel amplifiers or multiple monoblock amplifiers, each dedicated to driving a separate subwoofer. Sonic Electronix offers a wide selection of multi-channel amplifiers that can power multiple subwoofers simultaneously, ensuring optimal performance and protection for your audio system.
      Monoblock amplifiers can generate a significant amount of heat, especially when driving powerful subwoofers at high volume levels. While they don't require special cooling or ventilation compared to other amplifier types, it's essential to provide adequate airflow around the amplifier to dissipate heat effectively. Avoid mounting the amplifier in enclosed spaces or areas with limited ventilation, as this can lead to overheating and reduced performance. In some cases, installing a cooling fan or using amplifier cooling solutions can help maintain optimal operating temperatures. If you have concerns about amplifier heat, Sonic Electronix's knowledgeable staff can recommend suitable cooling solutions for your specific setup. Monoblock amplifiers are an excellent choice for enhancing the bass performance in your car audio system, providing dedicated power delivery to your subwoofers for impactful and detailed low-frequency sound reproduction. When used correctly and matched with the right subwoofers, monoblock amplifiers can elevate your car audio experience to new depths of bass excellence.
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