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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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ONYX Series (20)
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MD Series (16)
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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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Kicker ZXS1500.1 Amp + (2) Kicker S12L72

Matched Combo with Kicker ZXS 1500W RMS Amp + 2 Kicker L7 12" Dual 2 ohm Subs

12ZXS1500.1 + 2 11S12L72 big DISCONTINUED
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Kicker ZXS1500.1 Amp + (2) Kicker S12L72

Matched Combo with Kicker ZXS 1500W RMS Amp + 2 Kicker L7 12" Dual 2 ohm Subs

• Includes 2 12" S12L72 Subs and a Kicker Amp
• RMS: 1000W x 1 @ 4 ohm, 1500W x 1 @ 2 ohm
• Total RMS Power: 1500W
• CEA-2006 Compliant
• Bass Boost: 0-18 dB at 40 Hz
• 3 Automatic Turn-On Modes (Remote, DC Offset, Signal Sense)
• Dimensions: 13-5/8"L x 9-5/8"W x 2-1/8"H

• Includes 2 12" S12L72 Subs and a Kicker Amp
• RMS: 1000W x 1 @ 4 ohm, 1500W x 1 @ 2 ohm
• Total RMS Power: 1500W
• CEA-2006 Compliant
• Bass Boost: 0-18 dB at 40 Hz
• 3 Automatic Turn-On Modes (Remote, DC Offset, Signal Sense)
• Dimensions: 13-5/8"L x 9-5/8"W x 2-1/8"H

EXCLUSIVE

Kicker CVX + Image Dynamics High Fidelity Subwoofer Solution

Kicker 10CVX152 15" Comp VX Car Subwoofer + Image Dynamics Q1200.1 Q Series Monoblock Car Amplifier + NVX XKIT42 Premium Amp Kit

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Kicker CVX + Image Dynamics High Fidelity Subwoofer Solution

Kicker 10CVX152 15" Comp VX Car Subwoofer + Image Dynamics Q1200.1 Q Series Monoblock Car Amplifier + NVX XKIT42 Premium Amp Kit

• 1 ohm: 1200 watts x 1 chan.
• Improved SoloKon Cone
• Ribbed Santoprene Surround
• Stitched Surround
• Spiralead Tinsel Leads
• Aluminum Basket
• Wired Bass Remote Included
• Bass Boost: 0-12 dB
• Preamp RCA Outputs
• Dimensions: 20"L x 8-1/2"W x 2-1/4"H

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• 1 ohm: 1200 watts x 1 chan.
• Improved SoloKon Cone
• Ribbed Santoprene Surround
• Stitched Surround
• Spiralead Tinsel Leads
• Aluminum Basket
• Wired Bass Remote Included
• Bass Boost: 0-12 dB
• Preamp RCA Outputs
• Dimensions: 20"L x 8-1/2"W x 2-1/4"H

Hifonics Zeus ZRX1200.1D + Complete 4 AWG Amp Kit

1200W Max Zeus Series 1-Ohm Stable Class D Monoblock Amplifier + Amp Kit

ZRX1200.1D_BAK42BL big DISCONTINUED
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Hifonics Zeus ZRX1200.1D + Complete 4 AWG Amp Kit

1200W Max Zeus Series 1-Ohm Stable Class D Monoblock Amplifier + Amp Kit

• 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
• Complete 4 Gauge 2-Channel Amplifier Installation Kit

• 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
• Complete 4 Gauge 2-Channel Amplifier Installation Kit

Orion CO1100.1M2-FACTORY REFURBISHED

1100W Max Cobalt Series Class A/B Monoblock Car Amplifier

CO1100.1M2 big DISCONTINUED
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Orion CO1100.1M2-FACTORY REFURBISHED

1100W Max Cobalt Series Class A/B Monoblock Car Amplifier

• RMS: 375W x 1 @ 4 ohm, 550W x 1 @ 2 ohm
• Total Peak Power: 1100W
• CEA-2006 Compliant
• Bass Boost: 0-18 dB
• Heavy Duty Aluminum Alloy Convection Heatsink
• Dimensions: 13-3/16"L x 7-1/2"W x 2"H

• RMS: 375W x 1 @ 4 ohm, 550W x 1 @ 2 ohm
• Total Peak Power: 1100W
• CEA-2006 Compliant
• Bass Boost: 0-18 dB
• Heavy Duty Aluminum Alloy Convection Heatsink
• Dimensions: 13-3/16"L x 7-1/2"W x 2"H

Rockford Fosgate R500X1D Open Box

500W RMS Monoblock Single Channel Class D Prime Series Amplifier

R500X1D big DISCONTINUED
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Rockford Fosgate R500X1D Open Box

500W RMS Monoblock Single Channel Class D Prime Series Amplifier

Prime Series Full Range Class D Monoblock Car Amplifier • 300W x 1 Chan. @ 4 ohm • 500W x 1 Chan. @ 2 ohm • Variable Bass Boost • Variable High-Pass Crossover • CEA-2006 Compliant • Soft Start Turn-On

Prime Series Full Range Class D Monoblock Car Amplifier • 300W x 1 Chan. @ 4 ohm • 500W x 1 Chan. @ 2 ohm • Variable Bass Boost • Variable High-Pass Crossover • CEA-2006 Compliant • Soft Start Turn-On

Hifonics Brutus BRX1100.1D Open Box Complete

1100W RMS Class NextGen Super-D Monoblock Brutus Series Amplifier

BRX1100.1D big DISCONTINUED
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Hifonics Brutus BRX1100.1D Open Box Complete

1100W RMS Class NextGen Super-D Monoblock Brutus Series Amplifier

  • Item Condition: Open Box complete
    • • RMS: 450W x 1 @ 4 ohm, 800W x 1 @ 2 ohm, 1100W x 1 @ 1 ohm
    • Total RMS Power: 1100W
    • CEA-2006 Compliant
    • Bass Boost: 0-10 dB at 40 Hz
    • Aluminum Alloy Heatsink with Illuminated Hifonics Logo
    • Dimensions: 14-3/8"L x 10-5/16"W x 2-1/2"H

  • Item Condition: Open Box complete
    • • RMS: 450W x 1 @ 4 ohm, 800W x 1 @ 2 ohm, 1100W x 1 @ 1 ohm
    • Total RMS Power: 1100W
    • CEA-2006 Compliant
    • Bass Boost: 0-10 dB at 40 Hz
    • Aluminum Alloy Heatsink with Illuminated Hifonics Logo
    • Dimensions: 14-3/8"L x 10-5/16"W x 2-1/2"H

    AudioControl The Epicenter 600

    600W RMS Monoblock Epicenter Series Class D Amplifier w/ The Epicenter Bass Restoration Built-In

    TheEpicenter600 big DISCONTINUED
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    AudioControl The Epicenter 600

    600W RMS Monoblock Epicenter Series Class D Amplifier w/ The Epicenter Bass Restoration Built-In

    • RMS: 200W x 1 @ 4 ohm, 350W x 1 @ 2 ohm, 600W x 1 @ 1 ohm
    • THE EPICENTER® Digital Bass Restoration Built-in
    •MILC™ Maximum Input Level Control
    • Line-Level RCA Inputs and Active Speaker-Level Inputs)
    • ACR-3 Remote Control Included
    • 7.95" W x 9.00" L x 2.10" H

    2

    • RMS: 200W x 1 @ 4 ohm, 350W x 1 @ 2 ohm, 600W x 1 @ 1 ohm
    • THE EPICENTER® Digital Bass Restoration Built-in
    •MILC™ Maximum Input Level Control
    • Line-Level RCA Inputs and Active Speaker-Level Inputs)
    • ACR-3 Remote Control Included
    • 7.95" W x 9.00" L x 2.10" H

    Crunch P1500.1 Open Box

    1500W Max, PowerZone Series Monoblock Amplifier (P15001)

    P1500.1 big DISCONTINUED
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    Crunch P1500.1 Open Box

    1500W Max, PowerZone Series Monoblock Amplifier (P15001)

    PowerZone Series Monoblock Car Amplifier • 375W x 1 chan. @ 4 ohm • 750W x 1 chan. @ 2 ohm • 1500W x 1 chan. @ 1 ohm • MOSFET output power supply • Tuned Bass EQ (0-12 dB bass boost at 45 Hz)

    PowerZone Series Monoblock Car Amplifier • 375W x 1 chan. @ 4 ohm • 750W x 1 chan. @ 2 ohm • 1500W x 1 chan. @ 1 ohm • MOSFET output power supply • Tuned Bass EQ (0-12 dB bass boost at 45 Hz)

    Rockford Fosgate PRIME R500-1 Factory Refurbished

    (Factory Refurbished) 500W Max, PRIME Series Monoblock Amplifier

    R500-1 big DISCONTINUED
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    Rockford Fosgate PRIME R500-1 Factory Refurbished

    (Factory Refurbished) 500W Max, PRIME Series Monoblock Amplifier

    PRIME Series Single-Channel Monoblock Class A/B Car Amplifier • 320W x 1 Chan. @ 4 Ohm • 500W x 1 Chan. @ 2 Ohm • Tuned Bass EQ • Variable Low-Pass Filter • Extruded Aluminum Heatsink

    PRIME Series Single-Channel Monoblock Class A/B Car Amplifier • 320W x 1 Chan. @ 4 Ohm • 500W x 1 Chan. @ 2 Ohm • Tuned Bass EQ • Variable Low-Pass Filter • Extruded Aluminum Heatsink

    Pioneer GM-D8601 OPEN BOX COMPLETE

    800W RMS Class D Monoblock GM Digital Series Amplifier

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

    800W RMS Class D Monoblock GM Digital Series Amplifier

    Installed, Box Damaged

  • Item Condition: Open Box Complete
    • • 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

    Installed, Box Damaged

  • Item Condition: Open Box Complete
    • • 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

    Sound Storm (SSL) F3600D Open Box

    3600W Max, Class D Monoblock Power Amplifier with Bass Remote

    F3600D big DISCONTINUED
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    Sound Storm (SSL) F3600D Open Box

    3600W Max, Class D Monoblock Power Amplifier with Bass Remote

    SSL Series Monoblock Class D Car Amplifier • 1200 Watts x 1 Chan. @ 4 Ohm • 1800 Watts x 1 Chan. @ 2 Ohm • 3600 Watts x 1 Chan. @ 1 Ohm • MOSFET PWM Power Supply • Nickel-Plated RCA Level/Screw Terminals

    SSL Series Monoblock Class D Car Amplifier • 1200 Watts x 1 Chan. @ 4 Ohm • 1800 Watts x 1 Chan. @ 2 Ohm • 3600 Watts x 1 Chan. @ 1 Ohm • MOSFET PWM Power Supply • Nickel-Plated RCA Level/Screw Terminals

    Kicker CXA400.1 (46CXA4001T) (Open Box, Good)

    400W RMS Class D CX-Series Monoblock Car Amplifier

    CXA400.1 big DISCONTINUED
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    Kicker CXA400.1 (46CXA4001T) (Open Box, Good)

    400W RMS Class D CX-Series Monoblock Car Amplifier

    • 150 watts x 1 channel @ 4 ohm
    • 300 watts x 1 channel @ 2 ohm
    • 400 watts x 1 channel @ 1 ohm
    • Total RMS Power: 400 watts
    • Class D 1 ohm Stable Monoblock Amplifier

    • 150 watts x 1 channel @ 4 ohm
    • 300 watts x 1 channel @ 2 ohm
    • 400 watts x 1 channel @ 1 ohm
    • Total RMS Power: 400 watts
    • Class D 1 ohm Stable Monoblock Amplifier

    Pioneer GM-D8601 OPEN BOX COMPLETE

    800W RMS Class D Monoblock GM Digital Series Amplifier

    GM-D8601 big DISCONTINUED
    Go to item page Right Arrow Icon of Right Arrow

    Pioneer GM-D8601 OPEN BOX COMPLETE

    800W RMS Class D Monoblock GM Digital Series Amplifier

    Item is used and has been installed
    • 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

    Item is used and has been installed
    • 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

    Cerwin-Vega HED31500.1D

    1500W Max Class D Monoblock HED3 Series Power Car Amplifier

    HED31500.1D big DISCONTINUED
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    Cerwin-Vega HED31500.1D

    1500W Max Class D Monoblock HED3 Series Power Car Amplifier

    • RMS: 550W x 1 @ 4 ohm, 2 ohm 950W x 1 @ 2 ohm
    • Total Peak Power: 1500W
    • Class D Circuitry
    • Bass Boost 0-12 dB at 45 Hz
    • Wired Bass Control Included
    • Dimensions: 9-1/8"W x 19-3/8"L x 2-1/8"H

    • RMS: 550W x 1 @ 4 ohm, 2 ohm 950W x 1 @ 2 ohm
    • Total Peak Power: 1500W
    • Class D Circuitry
    • Bass Boost 0-12 dB at 45 Hz
    • Wired Bass Control Included
    • Dimensions: 9-1/8"W x 19-3/8"L x 2-1/8"H

    Precision Power PPI D2000/1 R/B

    FACTORY REFURBISHED

    D2000/1 big DISCONTINUED
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    Precision Power PPI D2000/1 R/B

    FACTORY REFURBISHED

    2000W Class D MonoBlock Amplifier • 600W x 1 chan. @ 2 Ohm • 1000W x 1 chan. @ 1 Ohm • Q-BASS • PWM design • 1 Ohm stable

    2000W Class D MonoBlock Amplifier • 600W x 1 chan. @ 2 Ohm • 1000W x 1 chan. @ 1 Ohm • Q-BASS • PWM design • 1 Ohm stable

    Kicker ZXS1500.1 Amp + (2) NVX VCW102 Subs

    Matched Combo with Kicker ZXS 1500W RMS Amp + 2 NVX VC 10" Dual 2 ohm Subs

    12ZXS1500.1 + 2 VCW102 big DISCONTINUED
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    Kicker ZXS1500.1 Amp + (2) NVX VCW102 Subs

    Matched Combo with Kicker ZXS 1500W RMS Amp + 2 NVX VC 10" Dual 2 ohm Subs

    • Includes 2 10" NVX VC Subs and a Kicker Amp
    • RMS: 1000W x 1 @ 4 ohm, 1500W x 1 @ 2 ohm
    • Total RMS Power: 1500W
    • CEA-2006 Compliant
    • Bass Boost: 0-18 dB at 40 Hz
    • 3 Automatic Turn-On Modes (Remote, DC Offset, Signal Sense)
    • Dimensions: 13-5/8"L x 9-5/8"W x 2-1/8"H

    • Includes 2 10" NVX VC Subs and a Kicker Amp
    • RMS: 1000W x 1 @ 4 ohm, 1500W x 1 @ 2 ohm
    • Total RMS Power: 1500W
    • CEA-2006 Compliant
    • Bass Boost: 0-18 dB at 40 Hz
    • 3 Automatic Turn-On Modes (Remote, DC Offset, Signal Sense)
    • Dimensions: 13-5/8"L x 9-5/8"W x 2-1/8"H

    Hifonics HFi1500D LIKE NEW DAMAGED PACKAGING

    1500W RMS Class D Monoblock HFi Series Amplifier (HFi 1500D)

    HFi1500D big DISCONTINUED
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    Hifonics HFi1500D LIKE NEW DAMAGED PACKAGING

    1500W RMS Class D Monoblock HFi Series Amplifier (HFi 1500D)

    Like new Damaged Package
    • 4 ohm: 500 watts x 1 chan.
    • 2 ohm: 1000 watts x 1 chan.
    • 1 ohm: 1500 watts x 1 chan.
    • Wired remote bass level control included
    • Preamp RCA outputs to daisy chain multiple amps
    • 3-way protection circuitry (thermal, overload, and speaker short protection)
    • Dual speaker terminals simplify the hookup of multiple speakers
    • Signal to Noise Ration: >95 dB

    Like new Damaged Package
    • 4 ohm: 500 watts x 1 chan.
    • 2 ohm: 1000 watts x 1 chan.
    • 1 ohm: 1500 watts x 1 chan.
    • Wired remote bass level control included
    • Preamp RCA outputs to daisy chain multiple amps
    • 3-way protection circuitry (thermal, overload, and speaker short protection)
    • Dual speaker terminals simplify the hookup of multiple speakers
    • Signal to Noise Ration: >95 dB

    Hifonics BRX3016.1D OPEN BOX COMPLETE

    3000W Monoblock Brutus Series Super Class D Amplifier

    BRX3016.1D big DISCONTINUED
    Go to item page Right Arrow Icon of Right Arrow

    Hifonics BRX3016.1D OPEN BOX COMPLETE

    3000W Monoblock Brutus Series Super Class D Amplifier

    • Item Condition: Open Box Complete
    • RMS Power: 1000W x 1 @ 4 ohm, 2000W x 1 @ 2 ohm, 3000W x 1 @ 1 ohm
    • Total Peak Power: 3000W
    • Variable Low Pass Filter
    • Dimensions: 9.8" W x 17.7" L x 2.4" H

    • Item Condition: Open Box Complete
    • RMS Power: 1000W x 1 @ 4 ohm, 2000W x 1 @ 2 ohm, 3000W x 1 @ 1 ohm
    • Total Peak Power: 3000W
    • Variable Low Pass Filter
    • Dimensions: 9.8" W x 17.7" L x 2.4" H

    Alpine MRP-M2000 R/B Core Only

    2000W RMS, Class D Monoblock Amplifier

    MRP-M2000 big DISCONTINUED
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    Alpine MRP-M2000 R/B Core Only

    2000W RMS, Class D Monoblock Amplifier

    V Power Series Class D Monoblock Car Amplifier • 600W x 1 chan. @ 4 ohm • 2000W x 1 chan. @ 2 ohm • 4000W x 1 chan. Max approx. • MOSFET Power supply • Bass EQ 0-12dB at 50Hz • Continuously adjustable gain control • Thermal management control

    V Power Series Class D Monoblock Car Amplifier • 600W x 1 chan. @ 4 ohm • 2000W x 1 chan. @ 2 ohm • 4000W x 1 chan. Max approx. • MOSFET Power supply • Bass EQ 0-12dB at 50Hz • Continuously adjustable gain control • Thermal management control

    Kenwood KAC-9104D Open Box

    (Open Box with Full 1-year Warranty) 1800W Max, Class D Monoblock Amplifier

    No picture DISCONTINUED
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    Kenwood KAC-9104D Open Box

    (Open Box with Full 1-year Warranty) 1800W Max, Class D Monoblock Amplifier

    Class D Monoblock Car Amplifier • 500W x 1 chan. @ 4 ohm • 900W x 1 chan. @ 2 ohm • >900W x 1 chan. @ 1 ohm • 1800W x 1 chan. Max • Stackable operation capable • Speaker-level inputs • Preamp RCA outputs • Built-in cooling fan

    Class D Monoblock Car Amplifier • 500W x 1 chan. @ 4 ohm • 900W x 1 chan. @ 2 ohm • >900W x 1 chan. @ 1 ohm • 1800W x 1 chan. Max • Stackable operation capable • Speaker-level inputs • Preamp RCA outputs • Built-in cooling fan

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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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