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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.
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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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SPL Z1X-2400D

2400W, Class D Monoblock Amplifier

Z1X-2400D big DISCONTINUED
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SPL Z1X-2400D

2400W, Class D Monoblock Amplifier

Class D 2400 W Monoblock Power Amplifier • 900W x 1 chan. @ 4 Ohm • 1400W x 1 chan. @ 2 Ohm • 1800 watts x 1 chan. @ 1 ohm • MOSFET power supply • preamp inputs and outputs

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Class D 2400 W Monoblock Power Amplifier • 900W x 1 chan. @ 4 Ohm • 1400W x 1 chan. @ 2 Ohm • 1800 watts x 1 chan. @ 1 ohm • MOSFET power supply • preamp inputs and outputs

Soundstream Picasso Series Monoblock PA1.6000D

6000W Max (3000W RMS) Picasso Series Class D Monoblock Strappable Car Amplifier

PA1.6000D big DISCONTINUED
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Soundstream Picasso Series Monoblock PA1.6000D

6000W Max (3000W RMS) Picasso Series Class D Monoblock Strappable Car Amplifier

• 1400 Watts RMS x 1 @ 4 ohm
• 2000 Watts RMS x 1 @ 2 ohm
• 3000 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 6000 Watts
• Subsonic filter: 10 - 50 Hz , 12 dB/octave
• Variable low-pass filter: 30 - 250 Hz, 12 dB/octave
• Variable Bass Boost: 0 to +12 dB bass boost
• Dimensions: 8.25"W x 21.7"L x 2"H

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• 1400 Watts RMS x 1 @ 4 ohm
• 2000 Watts RMS x 1 @ 2 ohm
• 3000 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 6000 Watts
• Subsonic filter: 10 - 50 Hz , 12 dB/octave
• Variable low-pass filter: 30 - 250 Hz, 12 dB/octave
• Variable Bass Boost: 0 to +12 dB bass boost
• Dimensions: 8.25"W x 21.7"L x 2"H

Sound Storm (SSL) F2600D

2600W Max Class D Monoblock Power Amplifier

F2600D big DISCONTINUED
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Sound Storm (SSL) F2600D

2600W Max Class D Monoblock Power Amplifier

SSL Series Monoblock Class D Car Amplifier • 750 Watts x 1 Chan. @ 4 Ohm • 1200 Watts x 1 Chan. @ 2 Ohm • 2600 Watts x 1 Chan. @ 1 Ohm • MOSFET PWM Power Supply • Nickel-Plated RCA Level And Screw Terminals

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SSL Series Monoblock Class D Car Amplifier • 750 Watts x 1 Chan. @ 4 Ohm • 1200 Watts x 1 Chan. @ 2 Ohm • 2600 Watts x 1 Chan. @ 1 Ohm • MOSFET PWM Power Supply • Nickel-Plated RCA Level And Screw Terminals

Power Acoustik R1-4000D

4,000W Reaper Series Class D Monoblock Car Amplifier

R1-4000D big DISCONTINUED
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Power Acoustik R1-4000D

4,000W Reaper Series Class D Monoblock Car Amplifier

• RMS: 1200W x 1 @ 4 ohm, 1500W x 1 @ 2 ohm, 2000W x 1 @ 1 ohm
• Total Peak Power: 4000W
• Military Grade PCB w/ PWM MOSFET Power Supply
• Wired remote bass level control included
• Preamp RCA outputs to daisy chain multiple amps
• Variable 12dB Low Pass, & Subsonic Crossovers

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• RMS: 1200W x 1 @ 4 ohm, 1500W x 1 @ 2 ohm, 2000W x 1 @ 1 ohm
• Total Peak Power: 4000W
• Military Grade PCB w/ PWM MOSFET Power Supply
• Wired remote bass level control included
• Preamp RCA outputs to daisy chain multiple amps
• Variable 12dB Low Pass, & Subsonic Crossovers

MB Quart RAB 1450

Class A/B Monoblock Reference Series Amplifier (RAB1450)

RAB-1450 big DISCONTINUED
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MB Quart RAB 1450

Class A/B Monoblock Reference Series Amplifier (RAB1450)

Reference Series 1-Channel Class AB Car Amplifier • 200W x 1 chan. @ 4 ohm • 300W x 1 chan. @ 2 ohm • 450W x 1 chan. @ 1 ohm • MOSFET power supply • DC, short, thermal, and overload protection circuitry

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Reference Series 1-Channel Class AB Car Amplifier • 200W x 1 chan. @ 4 ohm • 300W x 1 chan. @ 2 ohm • 450W x 1 chan. @ 1 ohm • MOSFET power supply • DC, short, thermal, and overload protection circuitry

MTX Audio TC6001

1800W Max, Class D MonoBlock Amplifier

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MTX Audio TC6001

1800W Max, Class D MonoBlock Amplifier

600 watts Max, Class D MonoBlock Amplifier • 300 watts x 1 chan. @ 4 ohm • Patented State-of-the-Art Power Supply • CEA-2006 Compliant • Adjustable Bass Boost and Remote Subwoofer Control • Defeatable Subsonic Filter • High Level Input • RCA Inputs and Output

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600 watts Max, Class D MonoBlock Amplifier • 300 watts x 1 chan. @ 4 ohm • Patented State-of-the-Art Power Supply • CEA-2006 Compliant • Adjustable Bass Boost and Remote Subwoofer Control • Defeatable Subsonic Filter • High Level Input • RCA Inputs and Output

MTX RFL600D

1200W Max, RFL Series Class D Monoblock Amplifier

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MTX RFL600D

1200W Max, RFL Series Class D Monoblock Amplifier

Single-Channel Monoblock Car Amplifier • RFL Series • Adaptive Class D Technology • 1200 Watts Max • 600 Watts @ 2 ohm • 350 Watts @ 4 ohm • Active Fan Cooling • Bass Boost • EBC • CEA-2006 compliant

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Single-Channel Monoblock Car Amplifier • RFL Series • Adaptive Class D Technology • 1200 Watts Max • 600 Watts @ 2 ohm • 350 Watts @ 4 ohm • Active Fan Cooling • Bass Boost • EBC • CEA-2006 compliant

Hifonics ZRX1200.1D Open Box Complete

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

ZRX1200.1D big DISCONTINUED
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Hifonics ZRX1200.1D Open Box Complete

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

• Item Condition: Open Box Complete
• 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

• Item Condition: Open Box Complete
• 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

Precision Power PPI BK1800.1D

1800W RMS Monoblock Class D Black Ice Series Car Amplifier

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Precision Power PPI BK1800.1D

1800W RMS Monoblock Class D Black Ice Series Car Amplifier

• RMS: 700W x 1 @ 4 ohm, 1100W x 1 @ 2 ohm, 1800W x 1 @ 1 ohm
• Total RMS Power: 1800W
• Remote Bass Knob Included!
• Switchable Bass Boost (0, +6, or +12 dB)
• Balanced Signal Input for Noise Rejection
• Dimensions: 19-3/4"L x 8-1/4"W x 2"H

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• RMS: 700W x 1 @ 4 ohm, 1100W x 1 @ 2 ohm, 1800W x 1 @ 1 ohm
• Total RMS Power: 1800W
• Remote Bass Knob Included!
• Switchable Bass Boost (0, +6, or +12 dB)
• Balanced Signal Input for Noise Rejection
• Dimensions: 19-3/4"L x 8-1/4"W x 2"H

Absolute DPA5000

5000W Max Power Series Monoblock MOSFET Power Amplifier

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Absolute DPA5000

5000W Max Power Series Monoblock MOSFET Power Amplifier

Power Series Monoblock Car Amplifier • 5000W MAX • 500W x 1-Chan @ 2 Ohm MAX • Wired Remote Bass Level Control • Variable Bass Boost • Preamp RCA Outputs • Variable Low-Pass Filter

Power Series Monoblock Car Amplifier • 5000W MAX • 500W x 1-Chan @ 2 Ohm MAX • Wired Remote Bass Level Control • Variable Bass Boost • Preamp RCA Outputs • Variable Low-Pass Filter

JL Audio J2 250.1 (J2250.1)

250W, Single-Channel Class A/B J2 Series Monoblock Car Amplifier

J2-250.1 big DISCONTINUED
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JL Audio J2 250.1 (J2250.1)

250W, Single-Channel Class A/B J2 Series Monoblock Car Amplifier

J2 Series Monoblock Class A/B Car Amplifier • 250W RMS • Dual N-Channel MOSFET Output Stage • Speaker-Level Inputs • Preamp RCA Outputs • Dual Speaker Terminals • Variable Low-Pass Filter • Remote Bass Level Control

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J2 Series Monoblock Class A/B Car Amplifier • 250W RMS • Dual N-Channel MOSFET Output Stage • Speaker-Level Inputs • Preamp RCA Outputs • Dual Speaker Terminals • Variable Low-Pass Filter • Remote Bass Level Control

MTX Thunder Elite 801D (TE801D)

1600W Max, Class D Monoblock Thunder Elite Amplifier

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MTX Thunder Elite 801D (TE801D)

1600W Max, Class D Monoblock Thunder Elite Amplifier

Class D Monoblock Amplifier • Max Power: 1600 Watts • Frequency Response: 20-200 Hz • CEA-2006 compliant

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Class D Monoblock Amplifier • Max Power: 1600 Watts • Frequency Response: 20-200 Hz • CEA-2006 compliant

RE Audio DTX-1600.1

750W RMS DTX Series Class D Monoblock Amplifier

DTX-1600.1 big DISCONTINUED
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RE Audio DTX-1600.1

750W RMS DTX Series Class D Monoblock Amplifier

• DTX Series Single Channel Monoblock Class D Amplifier
• 350W x 1 Chan. @ 4 ohm
• 550W x 1 Chan. @ 2 ohm
• 750W x 1 Chan. @ 1 ohm
• 4-Way System Protection • 1 Channel Operation
• 4 Gauge Power and Ground Inputs
• Variable Bass Boost (0-18 dB)

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• DTX Series Single Channel Monoblock Class D Amplifier
• 350W x 1 Chan. @ 4 ohm
• 550W x 1 Chan. @ 2 ohm
• 750W x 1 Chan. @ 1 ohm
• 4-Way System Protection • 1 Channel Operation
• 4 Gauge Power and Ground Inputs
• Variable Bass Boost (0-18 dB)

Belva BB3000D

3000W Max (1800W RMS) Class AB Monoblock BB Series Car Amplifier

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Belva BB3000D

3000W Max (1800W RMS) Class AB Monoblock BB Series Car Amplifier

• RMS: 780W x 1 @ 4 ohm, 1260W x 1 @ 2 ohm, 1800W x 1 @ 1 ohm
• Total Peak Power: 3000W
• 1 Pair of Preamp Outputs
• Bass Boost 0-12 dB from 30-80 Hz
• Subsonic Filter from 20-50 Hz
• Dimensions: 13-3/4"W x 8-1/4"D x 2-1/4"H

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• RMS: 780W x 1 @ 4 ohm, 1260W x 1 @ 2 ohm, 1800W x 1 @ 1 ohm
• Total Peak Power: 3000W
• 1 Pair of Preamp Outputs
• Bass Boost 0-12 dB from 30-80 Hz
• Subsonic Filter from 20-50 Hz
• Dimensions: 13-3/4"W x 8-1/4"D x 2-1/4"H

Orion CB1200.1D

2400W Monoblock Cobalt Series Class D Amplifier

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Orion CB1200.1D

2400W Monoblock Cobalt Series Class D Amplifier

• RMS Power: 200W x 1 @ 4 ohm, 300W x 1 @ 2 ohm, 600W x 1 @ 1 ohm
• Total Peak Power: 2400W
• Variable Low Pass Filter
• Dimensions: 7-1/2" W x 13-1/2" L x 2" H

• RMS Power: 200W x 1 @ 4 ohm, 300W x 1 @ 2 ohm, 600W x 1 @ 1 ohm
• Total Peak Power: 2400W
• Variable Low Pass Filter
• Dimensions: 7-1/2" W x 13-1/2" L x 2" H

Performance Teknique ICBM-7997

2600W Max, Class D Digital Monoblock Amplifier with Wired Bass Remote

ICBM-7997 big DISCONTINUED
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Performance Teknique ICBM-7997

2600W Max, Class D Digital Monoblock Amplifier with Wired Bass Remote

ICBM Monoblock Class D Car Amplifier • 500 Watts X 1 Chan. @ 4 Ohm • 800 Watts X 4 Chan. @ 2 Ohm • 2600 Watts MAX • Soft Start On/Off • Bypass Line Output • 3-Way System Protection • Mono Channel Operation •

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ICBM Monoblock Class D Car Amplifier • 500 Watts X 1 Chan. @ 4 Ohm • 800 Watts X 4 Chan. @ 2 Ohm • 2600 Watts MAX • Soft Start On/Off • Bypass Line Output • 3-Way System Protection • Mono Channel Operation •

Kenwood eXcelon KAC-X811D

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Kenwood eXcelon KAC-X811D

• A.M.S. Amplifier Management System • Class D Operation • Quiet Turn-On • Maximum Output Power: 1600 Watts x 1 • Large Secondary Capacitors • MOSFET Power Supply • 1 Cooling Fan (2-speed)

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• A.M.S. Amplifier Management System • Class D Operation • Quiet Turn-On • Maximum Output Power: 1600 Watts x 1 • Large Secondary Capacitors • MOSFET Power Supply • 1 Cooling Fan (2-speed)

Hifonics X1100.1D

1100W BRUTUS X-14 Series Class-D Monoblock 1-Channel Amplifier w/ 2-year Warranty

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Hifonics X1100.1D

1100W BRUTUS X-14 Series Class-D Monoblock 1-Channel Amplifier w/ 2-year Warranty

• RMS Power: 400W x 1 @ 4 ohm, 700W x 1 @ 2 ohm, 1100W x 1 @ 1 ohm
• Total Peak Power: 1100W
• CEA-2006 Compliant
• Class D Monoblock

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• RMS Power: 400W x 1 @ 4 ohm, 700W x 1 @ 2 ohm, 1100W x 1 @ 1 ohm
• Total Peak Power: 1100W
• CEA-2006 Compliant
• Class D Monoblock

SPL GLA1-4500D

4500W Max Monoblock Class D Gorilla Series Car Amplifier

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SPL GLA1-4500D

4500W Max Monoblock Class D Gorilla Series Car Amplifier

• RMS: 1200W x 1 @ 4 ohm, 1700W x 1 @ 2 ohm, 2200W x 1 @ 1 ohm
• Total Peak Power: 4500W
• Class D Circuitry
• Bass Boost 0-12 dB
• 1 Pair of Preamp Outputs
• Dimensions: 9-1/10"W x 14-3/4"L x 2-3/10"H

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• RMS: 1200W x 1 @ 4 ohm, 1700W x 1 @ 2 ohm, 2200W x 1 @ 1 ohm
• Total Peak Power: 4500W
• Class D Circuitry
• Bass Boost 0-12 dB
• 1 Pair of Preamp Outputs
• Dimensions: 9-1/10"W x 14-3/4"L x 2-3/10"H

Soundstream T1.6000DL

6,000W Tarantula Series Mono Block Class D Car Amplifier

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Soundstream T1.6000DL

6,000W Tarantula Series Mono Block Class D Car Amplifier

• RMS: 800W x 1 @ 4 ohm, 1400W x 1 @ 2 ohm, 2500W x 1 @ 1 ohm, 3000W x 1 @ 0.5 ohm
• Total Peak Power: 6000W
• Dash Mount Gain Control Module Included
• Multi-color RGB LED Illumination Accent Lighting
• DataLink for Strapping Two Amps for Double Power
• 9"W x 20.50"L x 2.5"H

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• RMS: 800W x 1 @ 4 ohm, 1400W x 1 @ 2 ohm, 2500W x 1 @ 1 ohm, 3000W x 1 @ 0.5 ohm
• Total Peak Power: 6000W
• Dash Mount Gain Control Module Included
• Multi-color RGB LED Illumination Accent Lighting
• DataLink for Strapping Two Amps for Double Power
• 9"W x 20.50"L x 2.5"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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