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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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You are currently viewing discontinued products.

Power Acoustik OV1-4000D

4000W Max, Gothic Series Class D Monoblock Amplifier

OV1-4000D big DISCONTINUED
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Power Acoustik OV1-4000D

4000W Max, Gothic Series Class D Monoblock Amplifier

FX1 Series 1-Channel Class D Car Amplifier • 1200W x 1 chan. @ 4 ohm • 1700W x 1 chan. @ 2 ohm • 2200W x 1 chan. @ 1 ohm • 4000W x 1 chan. Max • Nickel Plated Heavy Duty Power & Speaker Terminals

FX1 Series 1-Channel Class D Car Amplifier • 1200W x 1 chan. @ 4 ohm • 1700W x 1 chan. @ 2 ohm • 2200W x 1 chan. @ 1 ohm • 4000W x 1 chan. Max • Nickel Plated Heavy Duty Power & Speaker Terminals

Soundstream PCA1500D

1500W RMS, Class D Monoblock Picasso Series Amplifier

PCA1500D  big DISCONTINUED
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Soundstream PCA1500D

1500W RMS, Class D Monoblock Picasso Series Amplifier

Monoblock Picasso Series Amplifier • 800W RMS x 1 @ 4 • 1500W RMX x 1 @ 1 • Wired Remote • TST • Class D • Built-In Crossovers • IDI • Platinum RCA Connectors • Tri-Guard

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Monoblock Picasso Series Amplifier • 800W RMS x 1 @ 4 • 1500W RMX x 1 @ 1 • Wired Remote • TST • Class D • Built-In Crossovers • IDI • Platinum RCA Connectors • Tri-Guard

Precision Power PPI DCX 500.1

Class-D Monoblock Competition Car Amplifier

DCX-500.1 big DISCONTINUED
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Precision Power PPI DCX 500.1

Class-D Monoblock Competition Car Amplifier

Class-D Monoblock Amplifier • 300W RMS x 1 @ 2 • 500W RMS x 1 @ 1 • QBASS PLUS Bass Boost • RCA Output • Phase Control • Adjustable Input Gain • Independant Output Crossover • PowerLOCK Connectors

Class-D Monoblock Amplifier • 300W RMS x 1 @ 2 • 500W RMS x 1 @ 1 • QBASS PLUS Bass Boost • RCA Output • Phase Control • Adjustable Input Gain • Independant Output Crossover • PowerLOCK Connectors

Xtant X1001

Class D Monoblock Amplifier

X1001 big DISCONTINUED
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Xtant X1001

Class D Monoblock Amplifier

1000 Watt Mono Amplifier • 1000W x 1 @ 2 & 1 Ohm • Stainless Steel Finish • 3-Way Protection Circuitry • PWM MOSFET Power Supply • LED Status Indicators • RCA Outputs

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1000 Watt Mono Amplifier • 1000W x 1 @ 2 & 1 Ohm • Stainless Steel Finish • 3-Way Protection Circuitry • PWM MOSFET Power Supply • LED Status Indicators • RCA Outputs

Kicker SX650.1

SX MonoBlock Class D Amplifier with Digital Sound Processing 04SX650.1

SX650.1 big DISCONTINUED
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Kicker SX650.1

SX MonoBlock Class D Amplifier with Digital Sound Processing 04SX650.1

650 watts RMS @ 2 ohm, Digital Signal Processing, "Sick Bay" monitoring system • Bass Remote

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650 watts RMS @ 2 ohm, Digital Signal Processing, "Sick Bay" monitoring system • Bass Remote

Boss CF2000M

2000W Max (1500W RMS) Chaos Fury Series Class-A/B Monoblock 2 ohm Stable Amplifier with Bass Knob

CF2000M big DISCONTINUED
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Boss CF2000M

2000W Max (1500W RMS) Chaos Fury Series Class-A/B Monoblock 2 ohm Stable Amplifier with Bass Knob

• 750 Watts RMS x 1 @ 4 ohm
• 1500 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 3000 Watts
• Built-In Low Pass
• 0 - 18dB Bass Boost
• Aluminum Heatsink
• Dimensions: 13.937" W x 11.0236" L x 2.602362" H

• 750 Watts RMS x 1 @ 4 ohm
• 1500 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 3000 Watts
• Built-In Low Pass
• 0 - 18dB Bass Boost
• Aluminum Heatsink
• Dimensions: 13.937" W x 11.0236" L x 2.602362" H

Crunch DRA2550.1D (Open Box Complete)

2500W Max V-Drive Series Class D Single Channel Monoblock Car Audio Amplifier

DRA2550.1D-2 big DISCONTINUED
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Crunch DRA2550.1D (Open Box Complete)

2500W Max V-Drive Series Class D Single Channel Monoblock Car Audio Amplifier

• Peak: 625W x 1 @ 4 ohm, 1250W x 1 @ 2 ohm, 2500W x 1 @ 1 ohm
• Total Peak Power: 2500W
• Wired Bass Level Remote
• Bass Boost: 0-10 dB
• Illuminated Badge and Heatsink
• Dimensions: 13-3/4"L x 9-1/2"W x 2-1/8"H

• Peak: 625W x 1 @ 4 ohm, 1250W x 1 @ 2 ohm, 2500W x 1 @ 1 ohm
• Total Peak Power: 2500W
• Wired Bass Level Remote
• Bass Boost: 0-10 dB
• Illuminated Badge and Heatsink
• Dimensions: 13-3/4"L x 9-1/2"W x 2-1/8"H

Hifonics BG-1900.1D

1900 Watts BRUTUS Gamma Mono Subwoofer Car Audio Amplifier

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Hifonics BG-1900.1D

1900 Watts BRUTUS Gamma Mono Subwoofer Car Audio Amplifier

• 1900 Watt Amplifier
• Monoblock Class D
• CEA-2006 Compliant
• Ultra-Fi™ MOSFET Technology

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• 1900 Watt Amplifier
• Monoblock Class D
• CEA-2006 Compliant
• Ultra-Fi™ MOSFET Technology

MB Quart OA2050.1D

2000W Mono Block Onyx Series Class D Amplifier

OA2050.1D big DISCONTINUED
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MB Quart OA2050.1D

2000W Mono Block Onyx Series Class D Amplifier

• RMS: 650W x 1 @ 4 ohm, 1300W x 1 @ 2 ohm, 2000W x 1 @ 1 ohm
• Total Peak Power: 2000W
• Fluid-Fets MOSFET Power Supply
• Q-Stasis Pre-Amplifier Stage
• Heavy Duty Aluminum Alloy Heat-Sink
• Dimensions: 9.50"W x 18.35"L x 2.34"H

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• RMS: 650W x 1 @ 4 ohm, 1300W x 1 @ 2 ohm, 2000W x 1 @ 1 ohm
• Total Peak Power: 2000W
• Fluid-Fets MOSFET Power Supply
• Q-Stasis Pre-Amplifier Stage
• Heavy Duty Aluminum Alloy Heat-Sink
• Dimensions: 9.50"W x 18.35"L x 2.34"H

Hifonics BXX3000.1D

Brutus Series Class-D Monoblock 1-Ohm Stable Amplifier (3000W Peak)

BXX3000.1D big DISCONTINUED
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Hifonics BXX3000.1D

Brutus Series Class-D Monoblock 1-Ohm Stable Amplifier (3000W Peak)

• 700 Watts Peak x 1 @ 4 ohm
• 1400 Watts Peak x 1 @ 2 ohm
• 3000 Watts Peak x 1 @ 1 ohm
• Total Peak Power: 0200 Watts
• Low-Pass and Sub-Sonic Filters
• Variable Bass Boost
• Aluminum Heatsink

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• 700 Watts Peak x 1 @ 4 ohm
• 1400 Watts Peak x 1 @ 2 ohm
• 3000 Watts Peak x 1 @ 1 ohm
• Total Peak Power: 0200 Watts
• Low-Pass and Sub-Sonic Filters
• Variable Bass Boost
• Aluminum Heatsink

Lanzar MNX3000D

3000W Max, Monoblock Class D Mini Max Series Amplifier

MNX3000D big DISCONTINUED
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Lanzar MNX3000D

3000W Max, Monoblock Class D Mini Max Series Amplifier

• RMS: 625W x 1 @ 4 ohm, 975W x 1 @ 2 ohm, 1500W x 1 @ 1 ohm
• Peak: 1250W x 1 @ 4 ohm, 1950W x 1 @ 2 ohm, 3000W x 1 @ 1 ohm
• Class D Circuitry
• Bass Boost: 0-18 dB at 45 Hz
• Wired Bass Remote Control Included
• Dimensions: 8-1/9"W x 7-8/9 "L x 2-1/9"H

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• RMS: 625W x 1 @ 4 ohm, 975W x 1 @ 2 ohm, 1500W x 1 @ 1 ohm
• Peak: 1250W x 1 @ 4 ohm, 1950W x 1 @ 2 ohm, 3000W x 1 @ 1 ohm
• Class D Circuitry
• Bass Boost: 0-18 dB at 45 Hz
• Wired Bass Remote Control Included
• Dimensions: 8-1/9"W x 7-8/9 "L x 2-1/9"H

Blaupunkt THA1350

Thin Series Monoblock Amplifier

THA1350 big DISCONTINUED
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Blaupunkt THA1350

Thin Series Monoblock Amplifier

Class A/B 450 watts MAX Monoblock Amplifier • 400 watts x 1 chan. @ 2 ohm • MOSFET Power Supply • CEA-2006 Compliant • Short Circuit Protection and High, Low, Reverse Voltage Protection • RCA Type Inputs • Remote Gain Control, Screws, and Mounting Hardware Included

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Class A/B 450 watts MAX Monoblock Amplifier • 400 watts x 1 chan. @ 2 ohm • MOSFET Power Supply • CEA-2006 Compliant • Short Circuit Protection and High, Low, Reverse Voltage Protection • RCA Type Inputs • Remote Gain Control, Screws, and Mounting Hardware Included

SoundStorm FR4000.1 3000W RMS 1-Ohm Stable Monoblock Amplifier

4000W Max (3000W RMS) Force Series Class-D 1-Ohm Stable Monoblock Amplifier

FR4000.1 big DISCONTINUED
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SoundStorm FR4000.1 3000W RMS 1-Ohm Stable Monoblock Amplifier

4000W Max (3000W RMS) Force Series Class-D 1-Ohm Stable Monoblock Amplifier

• 1500 Watts RMS x 1 @ 4 ohm
• 3000 Watts RMS x 1 @ 2 ohm
• 3000 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 4000 Watts
• Variable low-pass filter: 50 - 150 Hz
• Variable Bass Boost: 0 to +18 dB bass boost
• Dimensions: 9.69"W x 13.375"L x 2.375"H

• 1500 Watts RMS x 1 @ 4 ohm
• 3000 Watts RMS x 1 @ 2 ohm
• 3000 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 4000 Watts
• Variable low-pass filter: 50 - 150 Hz
• Variable Bass Boost: 0 to +18 dB bass boost
• Dimensions: 9.69"W x 13.375"L x 2.375"H

Nitro BMW-487

2000W Max, Class D Monoblock Amplifier with Bass Remote Control

BMW-487 big DISCONTINUED
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Nitro BMW-487

2000W Max, Class D Monoblock Amplifier with Bass Remote Control

BMW Series Monoblock Class D Car Amplifier • 400 Watts x 1 Chan. @ 4 Ohm • 750 Watts x 1 Chan. @ 2 Ohm • 2000 Watts Max • Preamp RCA outputs • 3-Way System Protection Circuitry (Thermal, Overload, Circuit)

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BMW Series Monoblock Class D Car Amplifier • 400 Watts x 1 Chan. @ 4 Ohm • 750 Watts x 1 Chan. @ 2 Ohm • 2000 Watts Max • Preamp RCA outputs • 3-Way System Protection Circuitry (Thermal, Overload, Circuit)

Phoenix Gold Xenon X1200.1

X1200.1 big DISCONTINUED
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Phoenix Gold Xenon X1200.1

1200 watt amplifier • 1200W x 1 (1-4 Ohm) • Xe.load, Xe.tune, Xe.flow • Built in High/Low Pass Crossovers • Bass Boost: 0-18dB • Variable input sensitivity

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1200 watt amplifier • 1200W x 1 (1-4 Ohm) • Xe.load, Xe.tune, Xe.flow • Built in High/Low Pass Crossovers • Bass Boost: 0-18dB • Variable input sensitivity

Visonik V318XT

1000W Max, MonoBlock Subwoofer Amplifier

V318XT big DISCONTINUED
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Visonik V318XT

1000W Max, MonoBlock Subwoofer Amplifier

1000W Monoblock Subwoofer Amplifier • 500W RMS x 1 chan. @ 4 Ohm • 800W RMS x 1 chan. @ 2 Ohm • full MOSFET circuitry • line inputs/outputs • adjustable input sensitivity • power/protection LED • S/N ratio: 90dB

3

1000W Monoblock Subwoofer Amplifier • 500W RMS x 1 chan. @ 4 Ohm • 800W RMS x 1 chan. @ 2 Ohm • full MOSFET circuitry • line inputs/outputs • adjustable input sensitivity • power/protection LED • S/N ratio: 90dB

Soundstorm EVO5000.1 (Open Box Complete)

5000W Peak (3750W RMS) EVOLUTION Series Monoblock Class D 1-Ohm Stable Car Amplifier (Open Box Complete)

EVO5000.1-2 big DISCONTINUED
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Soundstorm EVO5000.1 (Open Box Complete)

5000W Peak (3750W RMS) EVOLUTION Series Monoblock Class D 1-Ohm Stable Car Amplifier (Open Box Complete)

• 1750W x 1 Chan. @ 4 Ohm
• 3500W x 1 Chan. @ 2 Ohm
• 5000 x 1 Chan. @ 1 Ohm
• Peak Power: 5000W
• Soft Turn-On Circuit
• Nickel-Plated Terminals
• Variable Bass EQ

• 1750W x 1 Chan. @ 4 Ohm
• 3500W x 1 Chan. @ 2 Ohm
• 5000 x 1 Chan. @ 1 Ohm
• Peak Power: 5000W
• Soft Turn-On Circuit
• Nickel-Plated Terminals
• Variable Bass EQ

Rockford Fosgate Power TM750X1bd

750W Compact Marine/Powersports Amplifier

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Rockford Fosgate Power TM750X1bd

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

Audiobahn A18001DJ

2500W Single-Channel Class D Monoblock Car Amplifier

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Audiobahn A18001DJ

2500W Single-Channel Class D Monoblock Car Amplifier

Monoblock Class D Car Amplifier • 700W x 1 Chan @ 4 Ohm • 1300 x 1 Chan @ 2 Ohm • 2500 x 1 Chan @ 1 Ohm • Dual Cooling Fans • 4-Way Protection Circuitry • Chrome Flame Fan Grilles • Cobalt Blue Illumination • Variable Bass Boost

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Monoblock Class D Car Amplifier • 700W x 1 Chan @ 4 Ohm • 1300 x 1 Chan @ 2 Ohm • 2500 x 1 Chan @ 1 Ohm • Dual Cooling Fans • 4-Way Protection Circuitry • Chrome Flame Fan Grilles • Cobalt Blue Illumination • Variable Bass Boost

Cadence XAM600.1

1200W Monoblock Xenith (XAM) Series Class D Car Amplifier

XAM600.1 big DISCONTINUED
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Cadence XAM600.1

1200W Monoblock Xenith (XAM) Series Class D Car Amplifier

• RMS: 300W x 1 @ 4 ohm, 600W x 1 @ 2 ohm
• Total Peak Power: 1200W
• Cadence Tech Digital Amplifier
• Top Mount Backlit Plexiglass control area
• Aluminum Extruded Chassis
• 11.18" L x 5.00" W x 2.00" H

• RMS: 300W x 1 @ 4 ohm, 600W x 1 @ 2 ohm
• Total Peak Power: 1200W
• Cadence Tech Digital Amplifier
• Top Mount Backlit Plexiglass control area
• Aluminum Extruded Chassis
• 11.18" L x 5.00" W x 2.00" 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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