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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 (67)
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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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Infinity MARINE M6001A

600W RMS Reference Series Class-D Monoblock Amplifier with Bass Remote

MARINEM6001A big DISCONTINUED
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Infinity MARINE M6001A

600W RMS Reference Series Class-D Monoblock Amplifier with Bass Remote

• 350 watts x 1 channel @ 4 ohm
• 600 watts x 1 channel @ 2 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable Monoblock Amplifier

• 350 watts x 1 channel @ 4 ohm
• 600 watts x 1 channel @ 2 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable Monoblock Amplifier

Hifonics Zeus ZRX3200.1D LIKE NEW DAMAGED PACKAGING

3200W Max Class D Monoblock Zeus Series Amplifier

ZRX3200.1D big DISCONTINUED
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Hifonics Zeus ZRX3200.1D LIKE NEW DAMAGED PACKAGING

3200W Max Class D Monoblock Zeus Series Amplifier

Like new Damaged Package
• Peak: 800W x 1 @ 4 ohm, 1600W x 1 @ 2 ohm, 3200W x 1 @ 1 ohm
• Total Peak Power: 3200W
• Class D Circuitry
• Variable Bass Boost: 0 to +10 dB at 50 Hz
• Wired Bass Remote Included
• Dimensions: 19-15/16"L x 10"W x 2-7/16"H

Like new Damaged Package
• Peak: 800W x 1 @ 4 ohm, 1600W x 1 @ 2 ohm, 3200W x 1 @ 1 ohm
• Total Peak Power: 3200W
• Class D Circuitry
• Variable Bass Boost: 0 to +10 dB at 50 Hz
• Wired Bass Remote Included
• Dimensions: 19-15/16"L x 10"W x 2-7/16"H

Kenwood KAC-8105D

1000W Max Class D Monoblock Performance Series Power Amplifier

KAC-8105D big DISCONTINUED
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Kenwood KAC-8105D

1000W Max Class D Monoblock Performance Series Power Amplifier

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

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

Hifonics ZD-1350.1D

1350W Peak Class D Zeus Delta Series Monoblock Car Amplifier with Bass Remote

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Hifonics ZD-1350.1D

1350W Peak Class D Zeus Delta Series Monoblock Car Amplifier with Bass Remote

• 350 watts x 1 channel @ 4 ohm
• 675 watts x 1 channel @ 2 ohm
• 1350 watts x 1 channel @ 1 ohm
• Total RMS Power: 1350 watts
• Class D Stable Monoblock Amplifier

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VIP Product Get $16.00 in rewards to spend later

• 350 watts x 1 channel @ 4 ohm
• 675 watts x 1 channel @ 2 ohm
• 1350 watts x 1 channel @ 1 ohm
• Total RMS Power: 1350 watts
• Class D Stable Monoblock Amplifier

Autotek MMA1000.1

1000W Peak (500W RMS) Mean Machine Series Class-A/B Monoblock 2-Ohm Stable Amplifier

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Autotek MMA1000.1

1000W Peak (500W RMS) Mean Machine Series Class-A/B Monoblock 2-Ohm Stable Amplifier

• 250 Watts RMS x 1 @ 4 ohm
• 500 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 1000 Watts
• Variable low-pass filter: 40 - 150 Hz
• Subsonic filter: 15 - 55 Hz
• Variable Bass Boost: 0 to +9 dB bass boost
• Dimensions: 2.4"W x 13.9"L x 9.6"H

• 250 Watts RMS x 1 @ 4 ohm
• 500 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 1000 Watts
• Variable low-pass filter: 40 - 150 Hz
• Subsonic filter: 15 - 55 Hz
• Variable Bass Boost: 0 to +9 dB bass boost
• Dimensions: 2.4"W x 13.9"L x 9.6"H

Hifonics ZG-1800.1D

1800W ZEUS Gamma Series Monoblock Subwoofer Amplifier

ZG-1800.1D big DISCONTINUED
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Hifonics ZG-1800.1D

1800W ZEUS Gamma Series Monoblock Subwoofer Amplifier

• 1800 Watt Class D Amplifier
• Bass Remote Included
• Angled Terminals for Easy Installation
• Speaker and RCA Level Inputs

• 1800 Watt Class D Amplifier
• Bass Remote Included
• Angled Terminals for Easy Installation
• Speaker and RCA Level Inputs

Rockford Fosgate P3001

900W Max, Monoblock Amplifier

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Rockford Fosgate P3001

900W Max, Monoblock Amplifier

Class A/B Monoblock Amplifier • 50 W x 1 @ 4 Ohm RMS • 300 W x 1 @ 2 Ohm RMS • Built in Crossovers • 0 - 18 dB Bass Boost • Bass Remote Included

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Class A/B Monoblock Amplifier • 50 W x 1 @ 4 Ohm RMS • 300 W x 1 @ 2 Ohm RMS • Built in Crossovers • 0 - 18 dB Bass Boost • Bass Remote Included

Power Acoustik GT1-1000 Factory Refurbished

1000W Max, Monoblock Gothic Series Class AB Car Amplifier

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Power Acoustik GT1-1000 Factory Refurbished

1000W Max, Monoblock Gothic Series Class AB Car Amplifier

• RMS: 375W x 1 @ 4 ohm, 470W x 1 @ 2 ohm
• Total Peak Power: 1000W
• 1 Pair of Preamp Outputs
• Bass Boost: 0-18 dB
• Low Pass Filter: 40-150 Hz
• Dimensions: 9"L x 9-3/4"W x 2-3/10"H

• RMS: 375W x 1 @ 4 ohm, 470W x 1 @ 2 ohm
• Total Peak Power: 1000W
• 1 Pair of Preamp Outputs
• Bass Boost: 0-18 dB
• Low Pass Filter: 40-150 Hz
• Dimensions: 9"L x 9-3/4"W x 2-3/10"H

Alpine MRP-M350

Class D Monoblock Amplifier

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Alpine MRP-M350

Class D Monoblock Amplifier

MonoBlock Subwoofer Amplifier • 350 watts RMS x 1 @ 2 ohm • MOSFET power supply

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MonoBlock Subwoofer Amplifier • 350 watts RMS x 1 @ 2 ohm • MOSFET power supply

Massive Audio BP600.1

600W Max (300W RMS) BLADE BP Series Class-A/B Monoblock 2-ohm Stable Amplifier

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Massive Audio BP600.1

600W Max (300W RMS) BLADE BP Series Class-A/B Monoblock 2-ohm Stable Amplifier

• 150W RMS x 1 @ 4 ohm
• 300 RMS x 1 @ 2 ohm
• Total Peak Power: 600 Watts
• CTA-2006 Compliant
• Built-In OEM Line Converter
• Aluminum Heatsink
• Dimensions: 7.1" W x 11" L x 2" H

• 150W RMS x 1 @ 4 ohm
• 300 RMS x 1 @ 2 ohm
• Total Peak Power: 600 Watts
• CTA-2006 Compliant
• Built-In OEM Line Converter
• Aluminum Heatsink
• Dimensions: 7.1" W x 11" L x 2" H

Audiopipe APMI-2000 Monoblock Amplifier

2000W Peak (1944W RMS) APMI Series Class-D Monoblock 1-Ohm Stable Mosfet Car Amplifier

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Audiopipe APMI-2000 Monoblock Amplifier

2000W Peak (1944W RMS) APMI Series Class-D Monoblock 1-Ohm Stable Mosfet Car Amplifier

• RMS Power: 770W x 1 @ 4 ohm, 1300W x 1 @ 2 ohm, 1944W x 1 @ 1 ohm
• Total Peak Power: 2000W
• Variable Low Pass Filter
• Dimensions: 6.49" W x 16.39" L x 2.20" H

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• RMS Power: 770W x 1 @ 4 ohm, 1300W x 1 @ 2 ohm, 1944W x 1 @ 1 ohm
• Total Peak Power: 2000W
• Variable Low Pass Filter
• Dimensions: 6.49" W x 16.39" L x 2.20" H

Boss CF1500M Monoblock Amplifier

1500W Max (1125W RMS) Chaos Fury Series Class-AB Monoblock 2-Ohm Stable Amplifier with Remote Level Control

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Boss CF1500M Monoblock Amplifier

1500W Max (1125W RMS) Chaos Fury Series Class-AB Monoblock 2-Ohm Stable Amplifier with Remote Level Control

• 563 Watts RMS x 1 @ 4 ohm
• 1125 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 1500 Watts
• Wired remote bass level control included
• Speaker-level (high-level) inputs
• Variable Bass Boost

• 563 Watts RMS x 1 @ 4 ohm
• 1125 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 1500 Watts
• Wired remote bass level control included
• Speaker-level (high-level) inputs
• Variable Bass Boost

Infinity Kappa K1000 Monoblock Amplifier

2600W Peak (700W RMS) High Performance Kappa Series Class-D Monoblock 2-Ohm Stable Car Subwoofer Amplifier

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Infinity Kappa K1000 Monoblock Amplifier

2600W Peak (700W RMS) High Performance Kappa Series Class-D Monoblock 2-Ohm Stable Car Subwoofer Amplifier

• 700 Watts RMS x 1 @ 4 ohm
• 1000 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 2600 Watts
• Variable low-pass filter: 32 - 320 Hz
• Sleek, brushed steel industrial design
• Upgradable Firmware via the microUSB port
• Speaker-level (high-level) inputs

• 700 Watts RMS x 1 @ 4 ohm
• 1000 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 2600 Watts
• Variable low-pass filter: 32 - 320 Hz
• Sleek, brushed steel industrial design
• Upgradable Firmware via the microUSB port
• Speaker-level (high-level) inputs

Dual DA301L (Great for Powersports, UTV, ATV, Motorcycles)

700W Peak (350W RMS) Ultra Compact Low Profile Series Series Class-D Digital Monoblock 2-Ohm Stable Amplifier (Made in Korea)

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Dual DA301L (Great for Powersports, UTV, ATV, Motorcycles)

700W Peak (350W RMS) Ultra Compact Low Profile Series Series Class-D Digital Monoblock 2-Ohm Stable Amplifier (Made in Korea)

• RMS: 100W x 4 @ 4 ohm, 150W x 4 @ 2 ohm
• Total Peak Power: 400W
• Pulse Width Modulated MOSFET Power Supply
• 4-Way Protection Circuitry
• Dimensions: 3"W x 5.9"L x 1.5"H

7

• RMS: 100W x 4 @ 4 ohm, 150W x 4 @ 2 ohm
• Total Peak Power: 400W
• Pulse Width Modulated MOSFET Power Supply
• 4-Way Protection Circuitry
• Dimensions: 3"W x 5.9"L x 1.5"H

Lanzar HTG157

3000W Monoblock Mosfet Power Car Amplifier

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Lanzar HTG157

3000W Monoblock Mosfet Power Car Amplifier

• RMS Power: 650W x 1 @ 4 ohm, 1500W x 1 @ 2 ohm
• Total Peak Power: 3000W
• Selectable Bass Boost: 0, 6, 12 dB
• Subsonic filter (0 dB at 80 Hz)

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• RMS Power: 650W x 1 @ 4 ohm, 1500W x 1 @ 2 ohm
• Total Peak Power: 3000W
• Selectable Bass Boost: 0, 6, 12 dB
• Subsonic filter (0 dB at 80 Hz)

Alpine PDX-M12

1200W RMS PDX Series Monoblock Power Density Class D Digital Car Amplifier

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Alpine PDX-M12

1200W RMS PDX Series Monoblock Power Density Class D Digital Car Amplifier

• RMS: 1200W x 1 @ 4 ohm, 1200W x 1 @ 2 ohm
• Total RMS Power: 1200W
• CEA-2006 Compliant
• 6-Layer Glass Epoxy PC Board and Compact Size
• Thermal Protection Circuitry
• Dimensions: 7-9/16"D x 10-1/8"W x 2"H

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• RMS: 1200W x 1 @ 4 ohm, 1200W x 1 @ 2 ohm
• Total RMS Power: 1200W
• CEA-2006 Compliant
• 6-Layer Glass Epoxy PC Board and Compact Size
• Thermal Protection Circuitry
• Dimensions: 7-9/16"D x 10-1/8"W x 2"H

Autotek MM2020.1D (MM20201D)

2000W Max 1-ohm Stable Monoblock Class-D Amplifier w/ Bass Knob

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Autotek MM2020.1D (MM20201D)

2000W Max 1-ohm Stable Monoblock Class-D Amplifier w/ Bass Knob

• 500 Watts Peak x 1 @ 4 ohm
• 1000 Watts Peak x 1 @ 2 ohm
• 2000 Watts Peak x 1 @ 1 ohm
• Total Peak Power: 2000 Watts
• Built-In Low Pass Filter
• 0-12 dB Bass Boost
• Aluminum Heatsink

3

• 500 Watts Peak x 1 @ 4 ohm
• 1000 Watts Peak x 1 @ 2 ohm
• 2000 Watts Peak x 1 @ 1 ohm
• Total Peak Power: 2000 Watts
• Built-In Low Pass Filter
• 0-12 dB Bass Boost
• Aluminum Heatsink

Kicker 43CXA3001 CX300.1 Amplifier + Amplifier Remote

600W Peak (300W RMS) Monoblock Class D Subwoofer Car Amplifier Package

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Kicker 43CXA3001 CX300.1 Amplifier + Amplifier Remote

600W Peak (300W RMS) Monoblock Class D Subwoofer Car Amplifier Package


• 150 Watts RMS x 1 @ 4 ohm
• 300 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 600 Watts
• Preamp RCA outputs to daisy chain multiple amps
• Variable Low-Pass Crossover: 50 - 200Hz 12dB/octave
• Variable Bass Boost: 0 to +12 dB bass boost at 40 Hz
• Dimensions: 7-3/16"W x 8-1/8"L x 2-3/8"H

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• 150 Watts RMS x 1 @ 4 ohm
• 300 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 600 Watts
• Preamp RCA outputs to daisy chain multiple amps
• Variable Low-Pass Crossover: 50 - 200Hz 12dB/octave
• Variable Bass Boost: 0 to +12 dB bass boost at 40 Hz
• Dimensions: 7-3/16"W x 8-1/8"L x 2-3/8"H

Precision Power ICE2600.1D

2600W Max Black Ice Series 1-Ohm Stable Class-D Monoblock Amplifier

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Precision Power ICE2600.1D

2600W Max Black Ice Series 1-Ohm Stable Class-D Monoblock Amplifier

• 600 Watts RMS x 1 @ 4 ohm
• 900 Watts RMS x 1 @ 2 ohm
• 1300 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 2600 Watts
• Variable low-pass filter: 40 - 220 Hz, 24 dB/octave
• Subsonic filter: 20 - 50 Hz , 24 dB/octave
• Dimensions: 5"W x 12"L x 5"H

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• 600 Watts RMS x 1 @ 4 ohm
• 900 Watts RMS x 1 @ 2 ohm
• 1300 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 2600 Watts
• Variable low-pass filter: 40 - 220 Hz, 24 dB/octave
• Subsonic filter: 20 - 50 Hz , 24 dB/octave
• Dimensions: 5"W x 12"L x 5"H

Hifonics Brutus BRZ2400.1D

2400W RMS Brutus Series 1-Channel Monoblock Super Class D Amplifier

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Hifonics Brutus BRZ2400.1D

2400W RMS Brutus Series 1-Channel Monoblock Super Class D Amplifier

Brutus Series Monoblock Class D Car Amplifier • 2400W x 1-Chan. @ 1 Ohm • 1700W x 1-Chan. @ 2 Ohm • 850W x 1-Chan. @ 4 Ohm • Wired HFR-3 Remote • 4-Way System Protection • Phase Shift • Silver-Plated RCA Inputs

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Brutus Series Monoblock Class D Car Amplifier • 2400W x 1-Chan. @ 1 Ohm • 1700W x 1-Chan. @ 2 Ohm • 850W x 1-Chan. @ 4 Ohm • Wired HFR-3 Remote • 4-Way System Protection • Phase Shift • Silver-Plated RCA Inputs

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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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