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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)
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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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Condition

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You are currently viewing discontinued products.

Soundstream DTR1.900D R/B

900W RMS, Class D Monoblock D-Tower Series Amplifier

DTR1.900D big DISCONTINUED
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Soundstream DTR1.900D R/B

900W RMS, Class D Monoblock D-Tower Series Amplifier

Tower Series Monoblock Class D Car Amplifier • 600W x 1 chan. @ 2 ohm • 900W RMS • Vertical stereo amplifier • MOSFET power supply • Aluminum alloy heat sink • LED power and protection indicators

Tower Series Monoblock Class D Car Amplifier • 600W x 1 chan. @ 2 ohm • 900W RMS • Vertical stereo amplifier • MOSFET power supply • Aluminum alloy heat sink • LED power and protection indicators

JBL BP1200.1 Power Series

BP1200.1 big DISCONTINUED
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JBL BP1200.1 Power Series

Power Series 1200W RMS Mono Subwoofer Amplifier • variable low-pass crossover • variable bass boost • 1-ohm stable • universal interface

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Power Series 1200W RMS Mono Subwoofer Amplifier • variable low-pass crossover • variable bass boost • 1-ohm stable • universal interface

Hifonics BRX2400.1D-OPEN BOX

2400W RMS Class NextGen Super-D Monoblock Brutus Series Amplifier

BRX2400.1D big DISCONTINUED
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Hifonics BRX2400.1D-OPEN BOX

2400W RMS Class NextGen Super-D Monoblock Brutus Series Amplifier

• RMS: 850W x 1 @ 4 ohm, 1600W x 1 @ 2 ohm, 2400W x 1 @ 1 ohm
• Total RMS Power: 2400W
• CEA-2006 Compliant
• Bass Boost: 0-10 dB at 40 Hz
• Aluminum Alloy Heatsink with Illuminated Hifonics Logo
• Dimensions: 18-11/16"L x 10-5/16"W x 2-1/2"H

• RMS: 850W x 1 @ 4 ohm, 1600W x 1 @ 2 ohm, 2400W x 1 @ 1 ohm
• Total RMS Power: 2400W
• CEA-2006 Compliant
• Bass Boost: 0-10 dB at 40 Hz
• Aluminum Alloy Heatsink with Illuminated Hifonics Logo
• Dimensions: 18-11/16"L x 10-5/16"W x 2-1/2"H

EXCLUSIVE

Image Dynamics Q600.1 with $25 eGift Card

$25 eGift Card Included! 600 RMS Monoblock Class A/B High Fidelity Q Series Car Amplifier

Q600.1_SE25GC big DISCONTINUED
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Image Dynamics Q600.1 with $25 eGift Card

$25 eGift Card Included! 600 RMS Monoblock Class A/B High Fidelity Q Series Car Amplifier

• RMS: 250W x 1 @ 4 ohm, 400W x 1 @ 2 ohm, 600W x 1 @ 1 ohm
• Total RMS Power: 1200W
• Wired Bass Remote Included
• Bass Boost: 0-12 dB
• Preamp RCA Outputs
• Dimensions: 17-3/4"L x 8-1/2"W x 2-1/4"H

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• RMS: 250W x 1 @ 4 ohm, 400W x 1 @ 2 ohm, 600W x 1 @ 1 ohm
• Total RMS Power: 1200W
• Wired Bass Remote Included
• Bass Boost: 0-12 dB
• Preamp RCA Outputs
• Dimensions: 17-3/4"L x 8-1/2"W x 2-1/4"H

Open Box Power Acoustik PS1-4000D

Open Box 4000W Max, Power Series Class D Monoblock Amplifier

PS1-4000D big DISCONTINUED
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Open Box Power Acoustik PS1-4000D

Open Box 4000W Max, Power Series Class D Monoblock Amplifier

Power Series Class D Monoblock Car Amplifier • 1200W x 1 chan. @ 4 ohm • 1700W x 1 chan. @ 2 ohm • 2200W x 1 chan. @ 1 ohm • Full regulated PWM MOSFET power supply • Preamp RCA outputs • 4-Way Protection circuitry

Power Series Class D Monoblock Car Amplifier • 1200W x 1 chan. @ 4 ohm • 1700W x 1 chan. @ 2 ohm • 2200W x 1 chan. @ 1 ohm • Full regulated PWM MOSFET power supply • Preamp RCA outputs • 4-Way Protection circuitry

Hifonics HFi2000D (Factory Refurbished)

2000W RMS, Class D Monoblock HFi Series Amplifier (HFi 2000D)

HFi2000D big DISCONTINUED
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Hifonics HFi2000D (Factory Refurbished)

2000W RMS, Class D Monoblock HFi Series Amplifier (HFi 2000D)

HFi Series Monoblock Class D Car Amplifier • 1300W x 1-Chan. @ 2 Ohm • 2000W x 1-Chan. @ 1 Ohm • Wired HFR-3 Bass Remote • 4-Way System Protection Circuitry • Preamp RCA Outputs • Blue Illuminated Hifonics Badge

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HFi Series Monoblock Class D Car Amplifier • 1300W x 1-Chan. @ 2 Ohm • 2000W x 1-Chan. @ 1 Ohm • Wired HFR-3 Bass Remote • 4-Way System Protection Circuitry • Preamp RCA Outputs • Blue Illuminated Hifonics Badge

Pioneer GM-D7500M Open Box

(Open Box) 800W Max, GM Digital Series Class D Monoblock Amplifier

GM-D7500M big DISCONTINUED
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Pioneer GM-D7500M Open Box

(Open Box) 800W Max, GM Digital Series Class D Monoblock Amplifier

GM Series Class D Monoblock Car Amplifier • 200W x 1 chan. @ 4 ohm • 400W x 1 chan. @ 2 ohm • 800W x 1 chan. Max • Digital Signal Technology • Low-Pass Filter • Speaker Level Inputs • Bass Level Control

GM Series Class D Monoblock Car Amplifier • 200W x 1 chan. @ 4 ohm • 400W x 1 chan. @ 2 ohm • 800W x 1 chan. Max • Digital Signal Technology • Low-Pass Filter • Speaker Level Inputs • Bass Level Control

Orion Cobalt CO500.1 (CO5001) R/B (Core only)

500W Max, Monoblock Cobalt Series Amplifier

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Orion Cobalt CO500.1 (CO5001) R/B (Core only)

500W Max, Monoblock Cobalt Series Amplifier

Cobalt Series Monoblock Single-Channel Class A/B Car Amplifier • 175W x 1 Chan. @ 4 Ohm • 250W x 1 Chan. @ 2 Ohm • 500W Max • Speaker-Level Inputs • Selectable Bass Boost • LED Power Indicators

Cobalt Series Monoblock Single-Channel Class A/B Car Amplifier • 175W x 1 Chan. @ 4 Ohm • 250W x 1 Chan. @ 2 Ohm • 500W Max • Speaker-Level Inputs • Selectable Bass Boost • LED Power Indicators

EXCLUSIVE

JL Audio Class D HD Series Amplifier + FREE Massive Audio 12" Summo Subwoofer

JL Audio HD1200/1 Class D HD Series Amplifier with R.I.P.S. Technology + Massive Audio SUMMO 124 12" Summo Series Dual 4 Ohm Subwoofer

HD1200/1_SUMMO 124 big DISCONTINUED
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JL Audio Class D HD Series Amplifier + FREE Massive Audio 12" Summo Subwoofer

JL Audio HD1200/1 Class D HD Series Amplifier with R.I.P.S. Technology + Massive Audio SUMMO 124 12" Summo Series Dual 4 Ohm Subwoofer

• 1200W x 1 @ 2 ohm
• Kevlar Fiber Enhanced Non-Pressed Paper Cone
• EROM Foam Surround with Red Stitching
• R.I.P.S. - Regulated, Intelligent Power Supply
• Single Cycle control - High Fidelity Class D
• 1 Pair of Buffered Preamps RCA Outputs
• Dimensions: 10.74"L x 7.85"W x 1.93"H

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• 1200W x 1 @ 2 ohm
• Kevlar Fiber Enhanced Non-Pressed Paper Cone
• EROM Foam Surround with Red Stitching
• R.I.P.S. - Regulated, Intelligent Power Supply
• Single Cycle control - High Fidelity Class D
• 1 Pair of Buffered Preamps RCA Outputs
• Dimensions: 10.74"L x 7.85"W x 1.93"H

Hifonics ZRX1000.1D (Factory Refurbished)

1000W Max Class D Monoblock Zeus Series Amplifier

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Hifonics ZRX1000.1D (Factory Refurbished)

1000W Max Class D Monoblock Zeus Series Amplifier

• 4 ohm: 475 watts x 1 chan.
• 2 ohm: 750 watts x 1 chan.
• 1 ohm: 1000 watts x 1 chan.
• Pulse Width Modulated (PWM) MOSFET Power Supply

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• 4 ohm: 475 watts x 1 chan.
• 2 ohm: 750 watts x 1 chan.
• 1 ohm: 1000 watts x 1 chan.
• Pulse Width Modulated (PWM) MOSFET Power Supply

JBL GTO1201.1II R/B

1200 watts, Grand Touring Series Class D Monoblock Amplifier GTO1201.1 II

GTO1201.1II big DISCONTINUED
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JBL GTO1201.1II R/B

1200 watts, Grand Touring Series Class D Monoblock Amplifier GTO1201.1 II

1200W Grand Touring Series Monoblock Amplifier • 787W x 1 chan. @ 4 Ohm • 1114W x 1 chan. @ 2 Ohm • Class D topology • plexiglass viewing window • high and low-level inputs • CEA-2006 compliant

1200W Grand Touring Series Monoblock Amplifier • 787W x 1 chan. @ 4 Ohm • 1114W x 1 chan. @ 2 Ohm • Class D topology • plexiglass viewing window • high and low-level inputs • CEA-2006 compliant

Kenwood KAC-6104D R/B

(Factory Refurbished) 600W Max, Class D Monoblock Amplifier

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Kenwood KAC-6104D R/B

(Factory Refurbished) 600W Max, Class D Monoblock Amplifier

Class D Monoblock Car Amplifier • 200 Watts RMS x1 @ 4 Ohm • 300 Watts RMS x1 @ 2 Ohm• 400 Watts Max • MOSFET Switching Power Supply • Speaker-Level Inputs • Aluminum Heat Sink • CEA-2006 Complaint Amplifier •

Class D Monoblock Car Amplifier • 200 Watts RMS x1 @ 4 Ohm • 300 Watts RMS x1 @ 2 Ohm• 400 Watts Max • MOSFET Switching Power Supply • Speaker-Level Inputs • Aluminum Heat Sink • CEA-2006 Complaint Amplifier •

Hifonics COLOSSUS-PRO 5K (OPEN BOX COMPLETE)

Mount Olympus 2500W RMS Dual Monoblock Class AB Amplifier

COLOSSUS-PRO 5K-RB big DISCONTINUED
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Hifonics COLOSSUS-PRO 5K (OPEN BOX COMPLETE)

Mount Olympus 2500W RMS Dual Monoblock Class AB Amplifier

• RMS Power: 1200W x 1 @ 4 ohm, 1900W x 1 @ 2 ohm, 2500W x 1 @ 1 ohm
• Total Peak Power: 5000W
• Dimensions: 8.97" W x 38.64" L x 2.76" H

• RMS Power: 1200W x 1 @ 4 ohm, 1900W x 1 @ 2 ohm, 2500W x 1 @ 1 ohm
• Total Peak Power: 5000W
• Dimensions: 8.97" W x 38.64" L x 2.76" H

Kicker ZX1000.1 Factory R/B

06ZX1000.1 ZX Series Class D Monoblock Amplifier

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Kicker ZX1000.1 Factory R/B

06ZX1000.1 ZX Series Class D Monoblock Amplifier

Factory Reconditioned with 90 Days Manufacturer's warranty, 1000W RMS Class D Mono Subwoofer Amplifier • 1000 watts RMS power @ 2 ohm • remote level control • protection circuitry • speaker and preamp level inputs

Factory Reconditioned with 90 Days Manufacturer's warranty, 1000W RMS Class D Mono Subwoofer Amplifier • 1000 watts RMS power @ 2 ohm • remote level control • protection circuitry • speaker and preamp level inputs

MTX XTHUNDER1200.1 Open Box Complete

1200W RMS XThunder Series 1 Ohm Stable Mononlock Class D Amplifier

XTHUNDER1200.1 big DISCONTINUED
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MTX XTHUNDER1200.1 Open Box Complete

1200W RMS XThunder Series 1 Ohm Stable Mononlock Class D Amplifier

  • Item Condition: Open Box Complete
    • • RMS Power: 400W x 1 @ 4 ohm, 750W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
    • Total Peak Power: 2400W
    • Variable Low Pass Filter
    • Dimensions: 8.9" W x 14.2" L x 2.03" H

  • Item Condition: Open Box Complete
    • • RMS Power: 400W x 1 @ 4 ohm, 750W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
    • Total Peak Power: 2400W
    • Variable Low Pass Filter
    • Dimensions: 8.9" W x 14.2" L x 2.03" H

    Kenwood eXcelon XR1000-1

    2000W Max (1000W RMS) Reference Fit Series 2-ohm Stable Monoblock Class-D Amplifier

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    Kenwood eXcelon XR1000-1

    2000W Max (1000W RMS) Reference Fit Series 2-ohm Stable Monoblock Class-D Amplifier

    • 500 Watts RMS x 1 @ 4 ohm
    • 1000 Watts RMS x 1 @ 2 ohm
    • Total Peak Power: 2000 Watts
    • CEA-2006 Compliant/Preamp Outputs/LPF
    • 0 to 18dB Bass Boost
    • Heavy duty aluminum alloy heat-sink
    • 12-5/8" W x 6-5/8" L x 2" H

    • 500 Watts RMS x 1 @ 4 ohm
    • 1000 Watts RMS x 1 @ 2 ohm
    • Total Peak Power: 2000 Watts
    • CEA-2006 Compliant/Preamp Outputs/LPF
    • 0 to 18dB Bass Boost
    • Heavy duty aluminum alloy heat-sink
    • 12-5/8" W x 6-5/8" L x 2" H

    Power Acoustik BAMF-5500/1D (BAMF55001/D)-OPEN BOX

    5500W Max Class D Monoblock BAMF Series Amplifier

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    Power Acoustik BAMF-5500/1D (BAMF55001/D)-OPEN BOX

    5500W Max Class D Monoblock BAMF Series Amplifier

    • RMS: 1700W x 1 @ 4 ohm, 2300W x 1 @ 2 ohm, 3200W x 1 chan @ 1 ohm
    • Total Peak Power: 5500W
    • Class D Circuitry
    • Bass Boost: 0-18 dB
    • 1 Pair of Preamp Outputs
    • Dimensions: 16-7/8"L x 8-1/4"W x 2-1/8"H

    • RMS: 1700W x 1 @ 4 ohm, 2300W x 1 @ 2 ohm, 3200W x 1 chan @ 1 ohm
    • Total Peak Power: 5500W
    • Class D Circuitry
    • Bass Boost: 0-18 dB
    • 1 Pair of Preamp Outputs
    • Dimensions: 16-7/8"L x 8-1/4"W x 2-1/8"H

    Power Acoustik GT1-6000D R/B

    6000W Max, Monoblock Gothic Series Car Amplifier

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    Power Acoustik GT1-6000D R/B

    6000W Max, Monoblock Gothic Series Car Amplifier

    • RMS: 2300W x 1 @ 4 ohm, 3000W x 1 @ 2 ohm, 3700W x 1 @ 1 ohm
    • Total Peak Power: 6000W
    • Class D Circuitry
    • Bass Boost: 0-12 dB
    • 1 Pair of Preamp Outputs
    • Dimensions: 17-1/2"L x 9-3/4"W x 2-3/10"H

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    • RMS: 2300W x 1 @ 4 ohm, 3000W x 1 @ 2 ohm, 3700W x 1 @ 1 ohm
    • Total Peak Power: 6000W
    • Class D Circuitry
    • Bass Boost: 0-12 dB
    • 1 Pair of Preamp Outputs
    • Dimensions: 17-1/2"L x 9-3/4"W x 2-3/10"H

    Rockford Fosgate R250X1 Open Box

    250W RMS Monoblock Single Channel Class AB Prime Series Amplifier

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    Rockford Fosgate R250X1 Open Box

    250W RMS Monoblock Single Channel Class AB Prime Series Amplifier

    Prime Series Full Range Class AB Monoblock Car Amplifier • 150W x 1 Chan. @ 4 ohm • 250W x 1 Chan. @ 2 ohm • Variable Bass Boost • Variable High-Pass Crossover • CEA-2006 Compliant • Soft Start Turn-On

    Prime Series Full Range Class AB Monoblock Car Amplifier • 150W x 1 Chan. @ 4 ohm • 250W x 1 Chan. @ 2 ohm • Variable Bass Boost • Variable High-Pass Crossover • CEA-2006 Compliant • Soft Start Turn-On

    Hifonics HS25001D (Factory Refurbished)

    5000W Peak (2500W RMS) Samson Series Monoblock 1-Ohm Stable Amplifier

    LS-HS25001D-RB big DISCONTINUED
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    Hifonics HS25001D (Factory Refurbished)

    5000W Peak (2500W RMS) Samson Series Monoblock 1-Ohm Stable Amplifier

    • 850 Watts RMS x 1 @ 4 ohm
    • 1700 Watts RMS x 1 @ 2 ohm
    • 2500 Watts RMS x 1 @ 1 ohm
    • Total Peak Power: 5000 Watts
    • Variable low-pass filter: 40 - 150 Hz
    • Variable Bass Boost: 0 to +12 dB bass boost at 45 Hz
    • Fuse Rating: 60 A x 2
    • Dimensions: 9.96"W x 18.90"L x 2.28"H

    • 850 Watts RMS x 1 @ 4 ohm
    • 1700 Watts RMS x 1 @ 2 ohm
    • 2500 Watts RMS x 1 @ 1 ohm
    • Total Peak Power: 5000 Watts
    • Variable low-pass filter: 40 - 150 Hz
    • Variable Bass Boost: 0 to +12 dB bass boost at 45 Hz
    • Fuse Rating: 60 A x 2
    • Dimensions: 9.96"W x 18.90"L x 2.28"H

    Cadence Q5001D

    500W RMS Q Series 1-ohm Stable Monoblock Class-D Amplifier w/ Bass Knob Included

    Q5001D big DISCONTINUED
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    Cadence Q5001D

    500W RMS Q Series 1-ohm Stable Monoblock Class-D Amplifier w/ Bass Knob Included

    • 200 Watts RMS x 1 @ 4 ohm
    • 300 Watts RMS x 1 @ 2 ohm
    • 500 Watts RMS x 1 @ 1 ohm
    • Low Pass and Subsonic Filters
    •0-12dB Bass Boost
    • Aluminum Heatsink
    • Dimensions: 7.1" W x 13.07" L x 2.05" H

    • 200 Watts RMS x 1 @ 4 ohm
    • 300 Watts RMS x 1 @ 2 ohm
    • 500 Watts RMS x 1 @ 1 ohm
    • Low Pass and Subsonic Filters
    •0-12dB Bass Boost
    • Aluminum Heatsink
    • Dimensions: 7.1" W x 13.07" L x 2.05" H

    EXCLUSIVE

    Hifonics HFi3000D + Amplifier Kit Bundle

    3000W RMS, Monoblock Class D HFi Series Amp + Kicker 0 Gauge Amp Kit + CTM Sound Damp Material

    HFi3000D_09PKD1 big DISCONTINUED
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    Hifonics HFi3000D + Amplifier Kit Bundle

    3000W RMS, Monoblock Class D HFi Series Amp + Kicker 0 Gauge Amp Kit + CTM Sound Damp Material

    HFi Series Single Channel Class D Car Amplifier • PWM MOSFET Power Supply • Wired HFR-3 Remote Bass Level Control Included • Variable Low-Pass Filter • Subsonic Filter • Dual Amplifier 1/0 Gauge Power Installation Kit• Designed for Systems Up to 3000W • Five 18" x 32" Pieces of Dead Shield Sound Dampening Material

    40

    HFi Series Single Channel Class D Car Amplifier • PWM MOSFET Power Supply • Wired HFR-3 Remote Bass Level Control Included • Variable Low-Pass Filter • Subsonic Filter • Dual Amplifier 1/0 Gauge Power Installation Kit• Designed for Systems Up to 3000W • Five 18" x 32" Pieces of Dead Shield Sound Dampening Material

    SPL FX1-3000D R/B Factory Refurbished

    3000W Max, Class D Monoblock Amplifier

    FX1-3000D big DISCONTINUED
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    SPL FX1-3000D R/B Factory Refurbished

    3000W Max, Class D Monoblock Amplifier

    FX1 Series 1-Channel Class D Car Amplifier • 900W x 1 chan. @ 4 ohm • 1300W x 1 chan. @ 2 ohm • 170000W x 1 chan. @ 1 ohm • 3000W x 1 chan. Max • Nickel Plated Heavy Duty Power & Speaker Terminals

    FX1 Series 1-Channel Class D Car Amplifier • 900W x 1 chan. @ 4 ohm • 1300W x 1 chan. @ 2 ohm • 170000W x 1 chan. @ 1 ohm • 3000W x 1 chan. Max • Nickel Plated Heavy Duty Power & Speaker Terminals

    Alpine MRX-M110 OPEN BOX COMPLETE

    1100W RMS Monoblock Class D X-Power Series Car Amplifier

    MRX-M110 big DISCONTINUED
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    Alpine MRX-M110 OPEN BOX COMPLETE

    1100W RMS Monoblock Class D X-Power Series Car Amplifier

    Opened and Never Installed
    • RMS: 650W x 1 @ 4 ohm, 1100W x 1 @ 2 ohm
    • Total RMS Power: 1100W
    • CEA-2006 Compliant
    • Bass Boost: 0-12 dB at 50 Hz
    • Multi-Stage Power Management Circuit
    • Dimensions: 9"L x 13-3/8"W x 2-1/4"H

    Opened and Never Installed
    • RMS: 650W x 1 @ 4 ohm, 1100W x 1 @ 2 ohm
    • Total RMS Power: 1100W
    • CEA-2006 Compliant
    • Bass Boost: 0-12 dB at 50 Hz
    • Multi-Stage Power Management Circuit
    • Dimensions: 9"L x 13-3/8"W x 2-1/4"H

    Pioneer GM-D8601- OPEN BOX

    800W RMS Class D Monoblock GM Digital Series Amplifier

    GM-D8601 big DISCONTINUED
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    Pioneer GM-D8601- OPEN BOX

    800W RMS Class D Monoblock GM Digital Series Amplifier

    • RMS: 300W x 1 @ 4 ohm, 500W x 1 @ 2 ohm, 800W x 1 @ 1 ohm
    • Total Peak Power: 1500W
    • CEA-2006 Compliant
    • Variable Bass Boost: 0 to +18 dB
    • Class D Circuitry
    • Dimensions: 10-7/16"W x 2-3/8"D x 7-7/8"H

    • RMS: 300W x 1 @ 4 ohm, 500W x 1 @ 2 ohm, 800W x 1 @ 1 ohm
    • Total Peak Power: 1500W
    • CEA-2006 Compliant
    • Variable Bass Boost: 0 to +18 dB
    • Class D Circuitry
    • Dimensions: 10-7/16"W x 2-3/8"D x 7-7/8"H

    RE Audio DTS-1500.1 (DTS15001) R/B

    2000W, Monoblock Class D DTS Series Car Amplifier

    DTS-1500.1 big DISCONTINUED
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    RE Audio DTS-1500.1 (DTS15001) R/B

    2000W, Monoblock Class D DTS Series Car Amplifier

    DTS Series Monoblock Class D Car Amplifier • 2000W Dynamic • Wired Remote Bass Level Control • Preamp RCA Outputs • Variable Low-Pass Filter • Subsonic Filter • Variable Bass Boost

    DTS Series Monoblock Class D Car Amplifier • 2000W Dynamic • Wired Remote Bass Level Control • Preamp RCA Outputs • Variable Low-Pass Filter • Subsonic Filter • Variable Bass Boost

    Diamond Audio D5-1200.1 Open Box

    (Open Box) 1200 watts, Class D Monoblock Amplifier D51200.1

    D5-1200.1 big DISCONTINUED
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    Diamond Audio D5-1200.1 Open Box

    (Open Box) 1200 watts, Class D Monoblock Amplifier D51200.1

    Monoblock Car Amplifier • 1200W RMS x 1 @ 2 • Adjustable Crossovers • Massive Proprietary Heatsink • Adjustable Mounting Feet • Fully Regulated Power Supply

    Monoblock Car Amplifier • 1200W RMS x 1 @ 2 • Adjustable Crossovers • Massive Proprietary Heatsink • Adjustable Mounting Feet • Fully Regulated Power Supply

    Pioneer GM-D8601 (Factory Refurbished)

    800W RMS Class D Monoblock GM Digital Series Amplifier

    GM-D8601 big DISCONTINUED
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    Pioneer GM-D8601 (Factory Refurbished)

    800W RMS Class D Monoblock GM Digital Series Amplifier

    • RMS: 300W x 1 @ 4 ohm, 500W x 1 @ 2 ohm, 800W x 1 @ 1 ohm
    • Total Peak Power: 1500W
    • CEA-2006 Compliant
    • Variable Bass Boost: 0 to +18 dB
    • Class D Circuitry
    • Dimensions: 10-7/16"W x 2-3/8"D x 7-7/8"H

    • RMS: 300W x 1 @ 4 ohm, 500W x 1 @ 2 ohm, 800W x 1 @ 1 ohm
    • Total Peak Power: 1500W
    • CEA-2006 Compliant
    • Variable Bass Boost: 0 to +18 dB
    • Class D Circuitry
    • Dimensions: 10-7/16"W x 2-3/8"D x 7-7/8"H

    Kicker 02KX600.1 KX-Series 02KX600.1 OB

    NO ENDCAPS OR ACCESSORIES

    No picture DISCONTINUED
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    Kicker 02KX600.1 KX-Series 02KX600.1 OB

    NO ENDCAPS OR ACCESSORIES

    300W RMS x 1 at 4 ohm • 600W RMS x 1 at 2 ohm • Requires 4 Gauge Wiring • 2 ohm mono stable • Remote Bass Level Control

    300W RMS x 1 at 4 ohm • 600W RMS x 1 at 2 ohm • Requires 4 Gauge Wiring • 2 ohm mono stable • Remote Bass Level Control

    Crunch PZT1500.1 Open Box

    (Open Box) 1500W Max, Power Zone Series Monoblock Car Amplifier

    PZT1500.1 big DISCONTINUED
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    Crunch PZT1500.1 Open Box

    (Open Box) 1500W Max, Power Zone Series Monoblock Car Amplifier

    Single-Channel Power Zone Series Car Amplifier • Monoblock • 375W @ 4 ohm • 750W @ 2 ohm • 1500W @ 1 ohm • Subsonic Filter • Soft-Start Circuitry • Nickel-Plated Contacts • Illuminated Crunch Logo

    Single-Channel Power Zone Series Car Amplifier • Monoblock • 375W @ 4 ohm • 750W @ 2 ohm • 1500W @ 1 ohm • Subsonic Filter • Soft-Start Circuitry • Nickel-Plated Contacts • Illuminated Crunch Logo

    Phoenix Gold R15.0:1 R/B

    (Factory Refurbished) Octane-R 15.0:1 MonoBlock Class D Amplifier

    R15.0:1 big DISCONTINUED
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    Phoenix Gold R15.0:1 R/B

    (Factory Refurbished) Octane-R 15.0:1 MonoBlock Class D Amplifier

    1500 watts max, 1000 watts RMS (at 2 ohm) monoblock sub amplifier • neon blue illumination • silver connections • Aux output • Twin "T" Bass EQ circuitry •

    1500 watts max, 1000 watts RMS (at 2 ohm) monoblock sub amplifier • neon blue illumination • silver connections • Aux output • Twin "T" Bass EQ circuitry •

    Orion HCCA-D5000 R/B

    Factory Refurbished with 90 Days Warranty, 5000W HCCA High Current Monoblock Amplifier

    HCCA-D5000 big DISCONTINUED
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    Orion HCCA-D5000 R/B

    Factory Refurbished with 90 Days Warranty, 5000W HCCA High Current Monoblock Amplifier

    5000W HCCA High Current Competition Class D Monoblock Amplifier • 1000W x 1 chan. @ 4 Ohm • 1600W x 1 chan. @ 2 Ohm • 1 Ohm: 2500 watts x 1 chan. • MOSFET power supply • CEA-2006 compliant

    5000W HCCA High Current Competition Class D Monoblock Amplifier • 1000W x 1 chan. @ 4 Ohm • 1600W x 1 chan. @ 2 Ohm • 1 Ohm: 2500 watts x 1 chan. • MOSFET power supply • CEA-2006 compliant

    Open Box Phoenix Gold RSd 1200.1 (RSd1200.1)

    1200W RMS, Radial Sd Series Class D Monoblock Amplifier

    RSd1200.1 big DISCONTINUED
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    Open Box Phoenix Gold RSd 1200.1 (RSd1200.1)

    1200W RMS, Radial Sd Series Class D Monoblock Amplifier

    1200W RSd Class D Monoblock Amplifier • 780W x 1 chan. @ 4 Ohm • 1200W x 1 chan. @ 2 Ohm • MOSFET power supply • protection circuitry • line level inputs • variable bass boost • S/N ratio: 79dB

    1200W RSd Class D Monoblock Amplifier • 780W x 1 chan. @ 4 Ohm • 1200W x 1 chan. @ 2 Ohm • MOSFET power supply • protection circuitry • line level inputs • variable bass boost • S/N ratio: 79dB

    Kicker ZX1500.1 (11ZX1500.1)

    1500W RMS, Class D Monoblock ZX Series Amplifier (ZX15001)

    11ZX1500.1 big DISCONTINUED
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    Kicker ZX1500.1 (11ZX1500.1)

    1500W RMS, Class D Monoblock ZX Series Amplifier (ZX15001)

    ZX Series Class D Monoblock Car Amplifier • 750W x 1 chan. @ 4 ohm • 1500W x 1 chan. @ 2 ohm • Balanced Differential Inputs • Muting Circuit • Top Mounted Controls • Optional Vinyl Skins For Personalization

    1

    ZX Series Class D Monoblock Car Amplifier • 750W x 1 chan. @ 4 ohm • 1500W x 1 chan. @ 2 ohm • Balanced Differential Inputs • Muting Circuit • Top Mounted Controls • Optional Vinyl Skins For Personalization

    Kicker IX500.1 (10IX500.1) Open Box

    (Open Box) 500W RMS, Monoblock Class D IX Series Amplifier (IX5001)

    10IX500.1 big DISCONTINUED
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    Kicker IX500.1 (10IX500.1) Open Box

    (Open Box) 500W RMS, Monoblock Class D IX Series Amplifier (IX5001)

    IX Series Monoblock Class D Car Amplifier • 500W x 1-Chan. @ 2 Ohm • 275W x 1-Chan. @ 4 Ohm • Super-Small Footprint • Optional Stacking Mounts Available • Optional Vinyl Skins For Personalization

    IX Series Monoblock Class D Car Amplifier • 500W x 1-Chan. @ 2 Ohm • 275W x 1-Chan. @ 4 Ohm • Super-Small Footprint • Optional Stacking Mounts Available • Optional Vinyl Skins For Personalization

    Precision Power PPI D3000/1 Open Box

    (Open Box) 3000W Max, Class D Monoblock Amplifier

    D3000/1 big DISCONTINUED
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    Precision Power PPI D3000/1 Open Box

    (Open Box) 3000W Max, Class D Monoblock Amplifier

    3000W Class D MonoBlock Amplifier • 495W x 1 chan. @ 4 Ohm • 1000W x 1 chan. @ 2 Ohm • QBASS • PWM power supply • gold plated RCA connectors • CEA-2006 compliant

    3000W Class D MonoBlock Amplifier • 495W x 1 chan. @ 4 Ohm • 1000W x 1 chan. @ 2 Ohm • QBASS • PWM power supply • gold plated RCA connectors • CEA-2006 compliant

    RE Audio XTX-3000.1 (XTX3000.1) R/B

    3000W XTX Series Monoblock Full Digital Class D Car Amplifier

    XTX-3000.1 big DISCONTINUED
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    RE Audio XTX-3000.1 (XTX3000.1) R/B

    3000W XTX Series Monoblock Full Digital Class D Car Amplifier

    XTX Series Monoblock Full Range Digital Car Amplifier • 3000W Dynamic • 2-Way System Protection • Brushed Aluminum Alloy Convection Cooled Heatsink • Variable Low-Pass Filter • Variable Bass Boost

    XTX Series Monoblock Full Range Digital Car Amplifier • 3000W Dynamic • 2-Way System Protection • Brushed Aluminum Alloy Convection Cooled Heatsink • Variable Low-Pass Filter • Variable Bass Boost

    Rockford Fosgate T500-1bd OB

    (MINOR BLEMISHES AND NO BASS KNOB) 2007 Power Series Compact Class bD Monoblock Amplifier

    T500-1bd big DISCONTINUED
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    Rockford Fosgate T500-1bd OB

    (MINOR BLEMISHES AND NO BASS KNOB) 2007 Power Series Compact Class bD Monoblock Amplifier

    Power Series 1-Channel Class BD Car Amplifier • 250W x 1 chan. @ 4 ohm • 400W x 1 chan. @ 2 ohm • 500W x 1 chan. @ 1 ohm • 500W x 1 chan. Max • MOSFET Power Supply • RCA pass-thru • Audiophile grade speaker connections

    Power Series 1-Channel Class BD Car Amplifier • 250W x 1 chan. @ 4 ohm • 400W x 1 chan. @ 2 ohm • 500W x 1 chan. @ 1 ohm • 500W x 1 chan. Max • MOSFET Power Supply • RCA pass-thru • Audiophile grade speaker connections

    Infinity Reference 1300a R/B

    (Factory Refurbished) 342W Max, Reference Series Class D Monoblock Amplifier (REF1300A)

    1300a big DISCONTINUED
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    Infinity Reference 1300a R/B

    (Factory Refurbished) 342W Max, Reference Series Class D Monoblock Amplifier (REF1300A)

    Reference Series Class D Monoblock Amplifier • 200W x 1 chan. @ 4 ohm • 300W x 1 chan. @ 2 ohm • 342W x 1 chan. Max • MOSFET power supply • Gold-plated preamp RCA outputs • Wired remote bass level control included

    3

    Reference Series Class D Monoblock Amplifier • 200W x 1 chan. @ 4 ohm • 300W x 1 chan. @ 2 ohm • 342W x 1 chan. Max • MOSFET power supply • Gold-plated preamp RCA outputs • Wired remote bass level control included

    Autotek SM6000.1 (Factory Refurbished)

    6000W Max Monoblock Street Machine Series Class D Car Amplifier

    SM6000.1 big DISCONTINUED
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    Autotek SM6000.1 (Factory Refurbished)

    6000W Max Monoblock Street Machine Series Class D Car Amplifier

    • Peak: 1500W x 1 @ 4 ohm, 3000W x 1 @ 2 ohm, 6000W x 1 @ 1 ohm
    • Total Peak Power: 6000W
    • 1 Pair of Preamp Outputs
    • Bass Boost 0-12 dB at 50 Hz
    • Iluminated Power VU Meter for Stylish Retro Look
    • Dimensions: 9-3/8"W x 14-3/16"D x 2-1/2"H

    1

    • Peak: 1500W x 1 @ 4 ohm, 3000W x 1 @ 2 ohm, 6000W x 1 @ 1 ohm
    • Total Peak Power: 6000W
    • 1 Pair of Preamp Outputs
    • Bass Boost 0-12 dB at 50 Hz
    • Iluminated Power VU Meter for Stylish Retro Look
    • Dimensions: 9-3/8"W x 14-3/16"D x 2-1/2"H

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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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