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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.
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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.

Eclipse XA1000

Class D Monoblock Premium Digital Amplifiers Series Amplifier

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Eclipse XA1000

Class D Monoblock Premium Digital Amplifiers Series Amplifier

XA Series 1-Channel Class D Car Amplifier • 320W x 1 chan. @ 4 ohm • 480W x 1 chan. @ 2 ohm • 640W x 1 chan. Max • Tuned Bass EQ (0-8 dB bass boost) • Very high efficiency rate with low current draw

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XA Series 1-Channel Class D Car Amplifier • 320W x 1 chan. @ 4 ohm • 480W x 1 chan. @ 2 ohm • 640W x 1 chan. Max • Tuned Bass EQ (0-8 dB bass boost) • Very high efficiency rate with low current draw

Boss DD3600 R/B

3600W Max, Class D Monoblock Diablo Series Amplifier

DD3600-RB big DISCONTINUED
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Boss DD3600 R/B

3600W Max, Class D Monoblock Diablo Series Amplifier

Diablo Series Class D Monoblock Car Amplifier • 1350 x 1 chan. @ 4 ohm • 1850 x 1 chan. @ 2 ohm • 3600W 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 • 1350 x 1 chan. @ 4 ohm • 1850 x 1 chan. @ 2 ohm • 3600W x 1 chan. Max • Remote subwoofer control • Variable low pass crossover(24dB) • Input sensitivity selector

Boston Acoustics GTA-1000m

1000W Monoblock Class D GTA Series Amplifier

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Boston Acoustics GTA-1000m

1000W Monoblock Class D GTA Series Amplifier

GTA Series Class D Monoblock Amplifier • 600W x 1 Chan. @ 4 Ohm • 1000W x 1 Chan. @ 2 Ohm • Symmetrical Signal Topology • Q-Tune Circuitry • Integral Mounting System • Wrap-Around Heatsink Design

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GTA Series Class D Monoblock Amplifier • 600W x 1 Chan. @ 4 Ohm • 1000W x 1 Chan. @ 2 Ohm • Symmetrical Signal Topology • Q-Tune Circuitry • Integral Mounting System • Wrap-Around Heatsink Design

Clarion APX1300 R/B

Monoblock Amplifier (APX 1300)

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Clarion APX1300 R/B

Monoblock Amplifier (APX 1300)

APX Series Class AB Monoblock Car Amplifier • 300W x 1 chan. @ 4 ohm • 400W x 1 chan. @ 2 ohm • MOSFET power supply • Selectable bass boost • Speaker-level inputs • Preamp RCA outputs • Remote turn-on with “soft start”

APX Series Class AB Monoblock Car Amplifier • 300W x 1 chan. @ 4 ohm • 400W x 1 chan. @ 2 ohm • MOSFET power supply • Selectable bass boost • Speaker-level inputs • Preamp RCA outputs • Remote turn-on with “soft start”

Cadence ZRS C7

7000W Monoblock ZRS Series Class D Competition Car Amplifier

ZRS C7 big DISCONTINUED
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Cadence ZRS C7

7000W Monoblock ZRS Series Class D Competition Car Amplifier

• RMS: 1,750W x 1 @ 4 ohm, 3,500W x 1 @ 2 ohm, 7,000W x 1 @ 1 ohm
• High Speed MosFET Power Supply
• Dashboard Bass Remote Control Included
• Bipolar Japanese Sanken Outputs
• 18V Capable Power Supply
• Preamp RCA Output to daisy chain multiple amps

• RMS: 1,750W x 1 @ 4 ohm, 3,500W x 1 @ 2 ohm, 7,000W x 1 @ 1 ohm
• High Speed MosFET Power Supply
• Dashboard Bass Remote Control Included
• Bipolar Japanese Sanken Outputs
• 18V Capable Power Supply
• Preamp RCA Output to daisy chain multiple amps

VIBE Audio BlackDeath Bass 1 V1

2500W RMS (5000W Max) Monoblock Class GH Amplifier

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VIBE Audio BlackDeath Bass 1 V1

2500W RMS (5000W Max) Monoblock Class GH Amplifier

Black Death Series Monoblock Class GH Amplifier • 5000W Max • 2500W RMS x 1 Chan. @ 1 Ohm • Auto Sense Circuit • Microprocessor Controlled Protection • Internal Convection Cooling

Black Death Series Monoblock Class GH Amplifier • 5000W Max • 2500W RMS x 1 Chan. @ 1 Ohm • Auto Sense Circuit • Microprocessor Controlled Protection • Internal Convection Cooling

VIBE Audio LITEAIRBASS1

Liteair Series Class D Micro Monoblock Car Amplifier with Remote Bass Knob

LITEAIRBASS1 big DISCONTINUED
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VIBE Audio LITEAIRBASS1

Liteair Series Class D Micro Monoblock Car Amplifier with Remote Bass Knob

Lite Air Series Monoblock Class D Car Amplifier • 400W RMS x 1 Chan. @ 4 ohm • 650W RMS x 1 Chan. @ 2 ohm • Internal Convection Cooling Vented Technology • Variable Bass Boost • High/Low Level Inputs • Variable Low-Pass Filter

Lite Air Series Monoblock Class D Car Amplifier • 400W RMS x 1 Chan. @ 4 ohm • 650W RMS x 1 Chan. @ 2 ohm • Internal Convection Cooling Vented Technology • Variable Bass Boost • High/Low Level Inputs • Variable Low-Pass Filter

Orion XTR3700.1D

7400W Max, Class D Mono Channel Amplifier

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Orion XTR3700.1D

7400W Max, Class D Mono Channel Amplifier

• RMS: 1500W x 1 @ 4 ohm, 2500W x 1 @ 2 ohm, 3700W x 1 @ 1 ohm
• Total Peak Power: 7400W
• CEA-2006 Compliant
• Variable Bass Boost: 0 to +18 dB
• Class D Circuitry
• Dimensions: 9-5/16"D x 19-7/16"L x 2-1/2"H

• RMS: 1500W x 1 @ 4 ohm, 2500W x 1 @ 2 ohm, 3700W x 1 @ 1 ohm
• Total Peak Power: 7400W
• CEA-2006 Compliant
• Variable Bass Boost: 0 to +18 dB
• Class D Circuitry
• Dimensions: 9-5/16"D x 19-7/16"L x 2-1/2"H

Massive Audio Drago D10K

10000W Max (5000W RMS) Drago Series Class D 1-Ohm Stable Monoblock Amplifier

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Massive Audio Drago D10K

10000W Max (5000W RMS) Drago Series Class D 1-Ohm Stable Monoblock Amplifier

• 2700 Watts RMS x 1 @ 2 ohm
• 5000 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 10000 Watts
• Variable low-pass filter: 30 - 250 Hz, 24 dB/octave
• Preamp RCA outputs to daisy chain multiple amps
• Variable Bass Boost: 0 to +12 dB bass boost at 45 Hz
• Dimensions: 9.4"W x 23.2"L x 2.3"H

• 2700 Watts RMS x 1 @ 2 ohm
• 5000 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 10000 Watts
• Variable low-pass filter: 30 - 250 Hz, 24 dB/octave
• Preamp RCA outputs to daisy chain multiple amps
• Variable Bass Boost: 0 to +12 dB bass boost at 45 Hz
• Dimensions: 9.4"W x 23.2"L x 2.3"H

Boss R2200D RIOT Series Class D

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Boss R2200D RIOT Series Class D

2200 watt Total Power • 1 Ohm Stable Stereo Power • Remote Subwoofer Level Control

2200 watt Total Power • 1 Ohm Stable Stereo Power • Remote Subwoofer Level Control

MTX Audio THUNDER500.1 (Open Box Complete)

500W RMS Class D 1-Channel Monoblock Power Car Amplifier

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MTX Audio THUNDER500.1 (Open Box Complete)

500W RMS Class D 1-Channel Monoblock Power Car Amplifier

• RMS: 300W x 1 @ 4 ohm, 500W x 1 @ 2 ohm
• Total Peak Power: 1000W
• 3-Way Protection Circuitry
• Selectable Bass Boost (0-6-12 dB)
• Class D Circuitry
• Dimensions: 6-5/16"W x 8-15/16"L x 2-1/4"H

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• RMS: 300W x 1 @ 4 ohm, 500W x 1 @ 2 ohm
• Total Peak Power: 1000W
• 3-Way Protection Circuitry
• Selectable Bass Boost (0-6-12 dB)
• Class D Circuitry
• Dimensions: 6-5/16"W x 8-15/16"L x 2-1/4"H

Infinity Kappa K600 Amplifier + Alpine 12" Subwoofer + Free Amp Kit

600W RMS Infinity Kappa Monoblock 2-Ohm Stable Amplifier + Alpine R-W12D2 Dual 2-Ohm Subwoofer + Belva Bak44

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Infinity Kappa K600 Amplifier + Alpine 12" Subwoofer + Free Amp Kit

600W RMS Infinity Kappa Monoblock 2-Ohm Stable Amplifier + Alpine R-W12D2 Dual 2-Ohm Subwoofer + Belva Bak44

• 380 Watts RMS x 1 @ 4 ohm
• 600 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 1500 Watts
• Variable low-pass filter: 32 - 320 Hz
• Sleek, brushed steel industrial design
• Upgradable Firmware via the microUSB port
• Speaker-level (high-level) inputs

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• 380 Watts RMS x 1 @ 4 ohm
• 600 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 1500 Watts
• Variable low-pass filter: 32 - 320 Hz
• Sleek, brushed steel industrial design
• Upgradable Firmware via the microUSB port
• Speaker-level (high-level) inputs

Rockford Fosgate Power TM750X1BD (Open Box, Complete)

750W Compact Marine/Powersports Amplifier

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Rockford Fosgate Power TM750X1BD (Open Box, Complete)

750W Compact Marine/Powersports Amplifier

• 500 Watts RMS x 1 @ 4 ohm
• 750 Watts RMS x 1 @ 2 ohm
• 750 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 750 Watts
• CEA-2006 Compliant
• Dual extruded aluminum heat sinks to maintain heat dissipation at high outputs
• Variable Bass Boost: 0 to +18 dB bass boost at 45 Hz
• Dimensions: 4.25"W x 8.3"L x 1.6"H

• 500 Watts RMS x 1 @ 4 ohm
• 750 Watts RMS x 1 @ 2 ohm
• 750 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 750 Watts
• CEA-2006 Compliant
• Dual extruded aluminum heat sinks to maintain heat dissipation at high outputs
• Variable Bass Boost: 0 to +18 dB bass boost at 45 Hz
• Dimensions: 4.25"W x 8.3"L x 1.6"H

Cadence ZRS C5

10,000W Monoblock ZRS Series Class D Competition Car Amplifier

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Cadence ZRS C5

10,000W Monoblock ZRS Series Class D Competition Car Amplifier

• RMS: 1250W x 1 @ 4 ohm, 2500W x 1 @ 2 ohm, 5000W x 1 @ 1 ohm
• Total Peak Power: 10,000
• Twin Amp Bridgeable for 2x Power Output
• 16V Capable Power Supply
• Bipolar Japanese Sanken Outputs
• 9.6"W x 22"L x 2.4"H

• RMS: 1250W x 1 @ 4 ohm, 2500W x 1 @ 2 ohm, 5000W x 1 @ 1 ohm
• Total Peak Power: 10,000
• Twin Amp Bridgeable for 2x Power Output
• 16V Capable Power Supply
• Bipolar Japanese Sanken Outputs
• 9.6"W x 22"L x 2.4"H

Absolute EVD-6000

6000W Max, Evolution Series Class D Monoblock Amplifier (EVD6000)

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Absolute EVD-6000

6000W Max, Evolution Series Class D Monoblock Amplifier (EVD6000)

Evolution Series Class D Monoblock Car Amplifier • 1540W x 1 chan. @ 4 ohm • 2000W x 1 chan. @ 2 ohm • 2200W x 1 chan. @ 1 ohm • MOSFET power supply • Low level RCA input • Soft delayed power on

Evolution Series Class D Monoblock Car Amplifier • 1540W x 1 chan. @ 4 ohm • 2000W x 1 chan. @ 2 ohm • 2200W x 1 chan. @ 1 ohm • MOSFET power supply • Low level RCA input • Soft delayed power on

Infinity 1300a Amp + (2) JBL 10" Subs + High-End Amp Kit

Combo Package with Reference Amplifier + JBL 10" Subs and an Amp Kit

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Infinity 1300a Amp + (2) JBL 10" Subs + High-End Amp Kit

Combo Package with Reference Amplifier + JBL 10" Subs and an Amp Kit

• Includes amp, subs and a wiring kit -- Everything but a sub box!
• RMS: 200W x 1 @ 4 ohm, 300W x 1 @ 2 ohm
• Total RMS Power: 300W
• CEA-2006 Compliant
• Bass Boost: 0-6 dB
• Class D Circuitry
• Dimensions: 14-3/4"L x 9"W x 2-11/16H

• Includes amp, subs and a wiring kit -- Everything but a sub box!
• RMS: 200W x 1 @ 4 ohm, 300W x 1 @ 2 ohm
• Total RMS Power: 300W
• CEA-2006 Compliant
• Bass Boost: 0-6 dB
• Class D Circuitry
• Dimensions: 14-3/4"L x 9"W x 2-11/16H

Soundstream P1.1500D

1500W Monoblock Picasso Series Class D Amplifier

Save Money with Sonic Exclusive Bundles:
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Soundstream P1.1500D

1500W Monoblock Picasso Series Class D Amplifier

• RMS Power: 600W x 1 @ 4 ohm, 1000W x 1 @ 2 ohm
• Total Peak Power: 1500W
• Dash Mount Remote Bass Level Control Included
• Dimensions: 8.25"W x 16"L x 2"H

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Save Money with Sonic Exclusive Bundles:
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• RMS Power: 600W x 1 @ 4 ohm, 1000W x 1 @ 2 ohm
• Total Peak Power: 1500W
• Dash Mount Remote Bass Level Control Included
• Dimensions: 8.25"W x 16"L x 2"H

Infinity 611A

Class D Monoblock Amplifier

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Infinity 611A

Class D Monoblock Amplifier

Infinity Systems 1-Channel Class D Car Amplifier • 450W x 1 chan. @ 4 ohm • 650W x 1 chan. Max • Tuned Bass EQ (0-12 dB bass boost at 20-80 Hz) • Preamp RCA outputs

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Infinity Systems 1-Channel Class D Car Amplifier • 450W x 1 chan. @ 4 ohm • 650W x 1 chan. Max • Tuned Bass EQ (0-12 dB bass boost at 20-80 Hz) • Preamp RCA outputs

Polk Audio PA D1000.1 - Open Box, Good Condition (Used)

1200W RMS PA D Series Class-D Monoblock Car Amplifier Open Box Complete (Good, Used)

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Polk Audio PA D1000.1 - Open Box, Good Condition (Used)

1200W RMS PA D Series Class-D Monoblock Car Amplifier Open Box Complete (Good, Used)

• Item Condition - Good, Used
• 500 Watts RMS x 1 @ 4 ohm
• 800 Watts RMS x 1 @ 2 ohm
• 1200 Watts RMS x 1 @ 1 ohm
• Wired remote bass level control included
• CEA-2006 Compliant
• Signal to Noise Ration: 105 dBA
• Variable Bass Boost: 0 to +12 dB bass boost at 44 Hz
• Dimensions: 6-3/4" W x 12-15/16" L x 1-13/16" H

• Item Condition - Good, Used
• 500 Watts RMS x 1 @ 4 ohm
• 800 Watts RMS x 1 @ 2 ohm
• 1200 Watts RMS x 1 @ 1 ohm
• Wired remote bass level control included
• CEA-2006 Compliant
• Signal to Noise Ration: 105 dBA
• Variable Bass Boost: 0 to +12 dB bass boost at 44 Hz
• Dimensions: 6-3/4" W x 12-15/16" L x 1-13/16" H

West Coast Customs WCC1500.1 by MB Quart LIKE NEW INCOMPLETE

1500W Monoblock WCC Series Class D Amplifier (Same as MB Quart OA750.1)

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West Coast Customs WCC1500.1 by MB Quart LIKE NEW INCOMPLETE

1500W Monoblock WCC Series Class D Amplifier (Same as MB Quart OA750.1)

Missing fuses
• 4 ohm: 375 watts x 1 chan.
• 2 ohm: 750 watts x 1 chan.
• 1 ohm: 1500 watts x 1 chan
• Pulse Width Modulated (PWM) MOSFET Power Supply

Missing fuses
• 4 ohm: 375 watts x 1 chan.
• 2 ohm: 750 watts x 1 chan.
• 1 ohm: 1500 watts x 1 chan
• Pulse Width Modulated (PWM) MOSFET Power Supply

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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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