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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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MTX Audio TA81001 Thunder 81001

Class D Monoblock Super Amplifier Thunder81001

TA81001 big DISCONTINUED
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MTX Audio TA81001 Thunder 81001

Class D Monoblock Super Amplifier Thunder81001

Thunder Super Class D Monoblock Amplifier • 1000W RMS x 1 @ 2 • 1500W RMS x 1 @ 1 • Parametric Bass Boost • Prizm EFX • Xtant Cooling Technology • Wired Remote • Built-In Capacitor Terminals

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Thunder Super Class D Monoblock Amplifier • 1000W RMS x 1 @ 2 • 1500W RMS x 1 @ 1 • Parametric Bass Boost • Prizm EFX • Xtant Cooling Technology • Wired Remote • Built-In Capacitor Terminals

Kenwood X500-1

500W RMS Monoblock eXcelon Series Class D Digital Power Amplifier

X500-1 big DISCONTINUED
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Kenwood X500-1

500W RMS Monoblock eXcelon Series Class D Digital Power Amplifier

• 4 ohm: 300 watts x 1 chan. • 2 ohm: 500 watts x 1 chan. • Max power output: 1000 watts x 1 chan. • • Mono Channel Operation

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• 4 ohm: 300 watts x 1 chan. • 2 ohm: 500 watts x 1 chan. • Max power output: 1000 watts x 1 chan. • • Mono Channel Operation

Hifonics Brutus BRX2016.1D Monoblock Amplifier

2000 Watt Monoblock Brutus Series Class D 1-Ohm Stable Subwoofer Amplifier - (Brutus 2000 Watt)

BRX2016.1D big DISCONTINUED
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Hifonics Brutus BRX2016.1D Monoblock Amplifier

2000 Watt Monoblock Brutus Series Class D 1-Ohm Stable Subwoofer Amplifier - (Brutus 2000 Watt)

• RMS Power: 700W x 1 @ 4 ohm, 1400W x 1 @ 2 ohm, 2000W x 1 @ 1 ohm
• Total Peak Power: 2000W
• Variable Low Pass Filter
• Dimensions: 9.8" W x 14.7" L x 2.4" H

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• RMS Power: 700W x 1 @ 4 ohm, 1400W x 1 @ 2 ohm, 2000W x 1 @ 1 ohm
• Total Peak Power: 2000W
• Variable Low Pass Filter
• Dimensions: 9.8" W x 14.7" L x 2.4" H

Power Acoustik VA1‐1600D

1600W Class A/B Monoblock Amplifier w/Bass Remote

VA1‐1600D big DISCONTINUED
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Power Acoustik VA1‐1600D

1600W Class A/B Monoblock Amplifier w/Bass Remote

• Class D Mono-block
• Hybrid Aluminum Alloy Heatsink
• Direct Short, Thermal, & Overload Circuits
• 9"L x 8.75"W x 2"H

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• Class D Mono-block
• Hybrid Aluminum Alloy Heatsink
• Direct Short, Thermal, & Overload Circuits
• 9"L x 8.75"W x 2"H

JBL GTO601.1 Grand Touring Series

GTO601.1 big DISCONTINUED
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JBL GTO601.1 Grand Touring Series

600 Watt Class D Subwoofer Amplifier • Grand Touring Series • RCA low-level inputs • Variable bass boost • Full-range preamp outputs • Features a 12dB per octave electronic crossover

600 Watt Class D Subwoofer Amplifier • Grand Touring Series • RCA low-level inputs • Variable bass boost • Full-range preamp outputs • Features a 12dB per octave electronic crossover

Hifonics X1900.1D

1900W BRUTUS X-14 Series Class D Monoblock 1-Channel Amplifier

X1900.1D big DISCONTINUED
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Hifonics X1900.1D

1900W BRUTUS X-14 Series Class D Monoblock 1-Channel Amplifier

• RMS Power: 800W x 1 @ 4 ohm, 1400W x 1 @ 2 ohm, 1900W x 1 @ 1 ohm
• Total Peak Power: 1900W
• CEA-2006 Compliant
• 13.39"W x 2.5"H x 9.49"L

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• RMS Power: 800W x 1 @ 4 ohm, 1400W x 1 @ 2 ohm, 1900W x 1 @ 1 ohm
• Total Peak Power: 1900W
• CEA-2006 Compliant
• 13.39"W x 2.5"H x 9.49"L

NVX MVPA1 Open Box

Micro-V Series 300W RMS Monoblock Class D Compact Car Amplifier (MVPA.1)

MVPA1 big DISCONTINUED
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NVX MVPA1 Open Box

Micro-V Series 300W RMS Monoblock Class D Compact Car Amplifier (MVPA.1)

• Incredibly Tiny! The size of a postcard!
• RMS: 200 x 1 @ 4 ohm, 300W x 1 @ 2 ohm
• Total RMS Power: 300W
• CEA-2006 Compliant
• Switchable Bass Boost: (0dB/+6dB/+12dB)
• Extremely Small Footprint
• Dimensions: 4"W x 5-7/16"L x 1-9/16"H

• Incredibly Tiny! The size of a postcard!
• RMS: 200 x 1 @ 4 ohm, 300W x 1 @ 2 ohm
• Total RMS Power: 300W
• CEA-2006 Compliant
• Switchable Bass Boost: (0dB/+6dB/+12dB)
• Extremely Small Footprint
• Dimensions: 4"W x 5-7/16"L x 1-9/16"H

Kicker ZXS1000.1 (12ZXS1000.1)

1000W RMS, Class D Monoblock ZX Series Amplifier

12ZXS1000.1 big DISCONTINUED
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Kicker ZXS1000.1 (12ZXS1000.1)

1000W RMS, Class D Monoblock ZX Series Amplifier

• RMS: 500W x 1 @ 4 ohm, 1000W x 1 @ 2 ohm
• Total RMS Power: 1000W
• CEA-2006 Compliant
• Bass Boost: 0-18 dB at 40 Hz
• 3 Automatic Turn-On Modes (Remote, DC Offset, Signal Sense)
• Dimensions: 13-5/8"L x 9-5/8"W x 2-1/8"H

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• RMS: 500W x 1 @ 4 ohm, 1000W x 1 @ 2 ohm
• Total RMS Power: 1000W
• CEA-2006 Compliant
• Bass Boost: 0-18 dB at 40 Hz
• 3 Automatic Turn-On Modes (Remote, DC Offset, Signal Sense)
• Dimensions: 13-5/8"L x 9-5/8"W x 2-1/8"H

Kicker ZX500.1 (10ZX500.1)

500W RMS, Class D Monoblock ZX Series Amplifier (ZX5001)

10ZX500.1 big DISCONTINUED
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Kicker ZX500.1 (10ZX500.1)

500W RMS, Class D Monoblock ZX Series Amplifier (ZX5001)

• RMS: 250W x 1 @ 4 ohm, 500W x 1 @ 2 ohm
• Total RMS Power: 500W
• CEA-2006 Compliant
• Bass Boost: 0-18 dB at 40 Hz
• Optional Vinyl Skins For Personalization
• Dimensions: 12"L x 9-5/8"W x 2-1/8"H

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• RMS: 250W x 1 @ 4 ohm, 500W x 1 @ 2 ohm
• Total RMS Power: 500W
• CEA-2006 Compliant
• Bass Boost: 0-18 dB at 40 Hz
• Optional Vinyl Skins For Personalization
• Dimensions: 12"L x 9-5/8"W x 2-1/8"H

Power Acoustik D1-6000D

6000W Monoblock Class D Demon Series Car Amplifier

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Power Acoustik D1-6000D

6000W Monoblock Class D Demon Series Car Amplifier

Demon Series Monoblock Class D Car Amplifier • 2000W RMS x 1 Chan. @ 4 Ohm • 2800W RMS x 1 Chan. @ 2 Ohm • 3500W RMS x 1 Chan. @ 1 Ohm • Wired Remote Included • Variable Bass Boost • Variable Subsonic Filter

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Demon Series Monoblock Class D Car Amplifier • 2000W RMS x 1 Chan. @ 4 Ohm • 2800W RMS x 1 Chan. @ 2 Ohm • 3500W RMS x 1 Chan. @ 1 Ohm • Wired Remote Included • Variable Bass Boost • Variable Subsonic Filter

Boss PH4000D

4000W Max Phantom Series Class D Monoblock Power Amplifier

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Boss PH4000D

4000W Max Phantom Series Class D Monoblock Power Amplifier

• RMS: 1600W x 1 @ 4 ohm
• Peak: 3000W x 1 @ 2 ohm, Peak Power: 4000W x 1
• Class D Circuitry
• Bass Boost 0-18 dB
• Wired Bass Control Included
• Dimensions: 9-1/2" D x 15"W x 2-1/4"H

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• RMS: 1600W x 1 @ 4 ohm
• Peak: 3000W x 1 @ 2 ohm, Peak Power: 4000W x 1
• Class D Circuitry
• Bass Boost 0-18 dB
• Wired Bass Control Included
• Dimensions: 9-1/2" D x 15"W x 2-1/4"H

Cadence Q3001D

300W RMS Q Series 1-ohm Stable Monoblock Class-D Amplifier w/ Bass Knob Included

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Cadence Q3001D

300W RMS Q Series 1-ohm Stable Monoblock Class-D Amplifier w/ Bass Knob Included

• 140 Watts RMS x 1 @ 4 ohm
• 230 Watts RMS x 1 @ 2 ohm
• 300 Watts RMS x 1 @ 1 ohm
• Low Pass and Subsonic Filters
• 0-12dB Bass Boost
• Aluminum Heatsink
• Dimensions: 7.1" W x 11.9" L x 2.05" H

• 140 Watts RMS x 1 @ 4 ohm
• 230 Watts RMS x 1 @ 2 ohm
• 300 Watts RMS x 1 @ 1 ohm
• Low Pass and Subsonic Filters
• 0-12dB Bass Boost
• Aluminum Heatsink
• Dimensions: 7.1" W x 11.9" L x 2.05" H

Kicker KX1200.1 (40KX1200.1)

1200W RMS KX Series Monoblock Class D Car Power Amplifier

40KX1200.1 big DISCONTINUED
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Kicker KX1200.1 (40KX1200.1)

1200W RMS KX Series Monoblock Class D Car Power Amplifier

• RMS: 600W x 1 @ 4 ohm, 1200W x 1 @ 2 ohm
• Total Peak Power: 2400W
• CEA-2006 Compliant
• Kick EQ+ Bass Boost: 0-18 dB from 20-80 Hz
• Magnetic Panel Covers Controls
• Dimensions: 8-5/16"W x 9-9/16"L x 2-1/8"H

• RMS: 600W x 1 @ 4 ohm, 1200W x 1 @ 2 ohm
• Total Peak Power: 2400W
• CEA-2006 Compliant
• Kick EQ+ Bass Boost: 0-18 dB from 20-80 Hz
• Magnetic Panel Covers Controls
• Dimensions: 8-5/16"W x 9-9/16"L x 2-1/8"H

Autotek SMA1200.1

1200W Monoblock Street Machine Series Class D Amplifier

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Autotek SMA1200.1

1200W Monoblock Street Machine Series Class D Amplifier

• RMS: 600W x 1 @ 4 ohm, 1200W x 1 @ 2 Ohm
• Pulse Width Modulated MOSFET power supply
•Nickel plated brass connections
• Built-in Variable Low-Pass and Subsonic Filter
• Heavy duty aluminum alloy heat-sink for extreme heat dissipation

3

• RMS: 600W x 1 @ 4 ohm, 1200W x 1 @ 2 Ohm
• Pulse Width Modulated MOSFET power supply
•Nickel plated brass connections
• Built-in Variable Low-Pass and Subsonic Filter
• Heavy duty aluminum alloy heat-sink for extreme heat dissipation

Crunch GPA3000.1

3000W Monoblock Ground Pounder Series Class A/B Amplifier

GPA3000.1 big DISCONTINUED
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Crunch GPA3000.1

3000W Monoblock Ground Pounder Series Class A/B Amplifier

• RMS Power: 750W x 1 @ 4 ohm, 1500W x 1 @ 2 ohm, 3000 x 1 @ 1 ohm
• Variable Bass Boost
• Total Peak Power: 3000W
• 9.05"W x 19.84"L x 2.29"H

2

• RMS Power: 750W x 1 @ 4 ohm, 1500W x 1 @ 2 ohm, 3000 x 1 @ 1 ohm
• Variable Bass Boost
• Total Peak Power: 3000W
• 9.05"W x 19.84"L x 2.29"H

EXCLUSIVE

Crunch 1-ohm Stable Class D Monoblock - PDX-2000.1D

2000W Max PDX Series 1-ohm Stable Class D Monoblock Car Amplifier with Wired Remote Bass Level Control

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Crunch 1-ohm Stable Class D Monoblock - PDX-2000.1D

2000W Max PDX Series 1-ohm Stable Class D Monoblock Car Amplifier with Wired Remote Bass Level Control

• Power One Series Monoblock Class A/B Car Amplifier • 2000W Max • 1000W x 1-Chan @ 1 Ohm • SEPP Analog Amplifier • Remote Bass Level Control • Preamp RCA Outputs • Dual Speaker Terminals • Soft Start Turn-On

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• Power One Series Monoblock Class A/B Car Amplifier • 2000W Max • 1000W x 1-Chan @ 1 Ohm • SEPP Analog Amplifier • Remote Bass Level Control • Preamp RCA Outputs • Dual Speaker Terminals • Soft Start Turn-On

Dual XPE1700

1000W Max, Monoblock MOSFET XPE Series Power Amplifier

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Dual XPE1700

1000W Max, Monoblock MOSFET XPE Series Power Amplifier

XPE Series Monoblock Class A/B Car Amplifier • 500 Watts x 1 Chan @ 1 Ohm • 400 Watts x 1 Chan @ 2 Ohm • Selectable Bass Boost • Speaker-Level Inputs • High/Low Pass Filters

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XPE Series Monoblock Class A/B Car Amplifier • 500 Watts x 1 Chan @ 1 Ohm • 400 Watts x 1 Chan @ 2 Ohm • Selectable Bass Boost • Speaker-Level Inputs • High/Low Pass Filters

EXCLUSIVE

Hifonics Brutus BRX2400.1D

4800 Watt Brutus Series Monoblock 1-Ohm Stable Subwoofer Amplifier | GO OLD SCHOOL! LAST ONES EVER MADE!

BRX2400.1D big DISCONTINUED
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Hifonics Brutus BRX2400.1D

4800 Watt Brutus Series Monoblock 1-Ohm Stable Subwoofer Amplifier | GO OLD SCHOOL! LAST ONES EVER MADE!

• Total RMS Power: 2400W
• Peak Power: 4800W
• RMS: 850W x 1 @ 4 ohm, 1600W x 1 @ 2 ohm, 2400W x 1 @ 1 ohm
• CEA-2006 Compliant
• Bass Boost: 0-10 dB at 45 Hz
• Aluminum Alloy Heatsink with Illuminated Hifonics Logo
• Dimensions: 18-11/16"L x 10-5/16"W x 2-1/2"H

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• Total RMS Power: 2400W
• Peak Power: 4800W
• RMS: 850W x 1 @ 4 ohm, 1600W x 1 @ 2 ohm, 2400W x 1 @ 1 ohm
• CEA-2006 Compliant
• Bass Boost: 0-10 dB at 45 Hz
• Aluminum Alloy Heatsink with Illuminated Hifonics Logo
• Dimensions: 18-11/16"L x 10-5/16"W x 2-1/2"H

Kicker ZX2500.1 (11ZX2500.1)

2500W RMS, Class D Monoblock ZX Series Amplifier

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Kicker ZX2500.1 (11ZX2500.1)

2500W RMS, Class D Monoblock ZX Series Amplifier

• RMS: 1250W x 1 @ 4 ohm, 2500W x 1 @ 2 ohm
• Total RMS Power: 2500W
• CEA-2006 Compliant
• Bass Boost: 0-18 dB at 40 Hz
• Optional Vinyl Skins For Personalization
• Dimensions: 27-1/2"L x 9-5/8"W x 2-1/8"H

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• RMS: 1250W x 1 @ 4 ohm, 2500W x 1 @ 2 ohm
• Total RMS Power: 2500W
• CEA-2006 Compliant
• Bass Boost: 0-18 dB at 40 Hz
• Optional Vinyl Skins For Personalization
• Dimensions: 27-1/2"L x 9-5/8"W x 2-1/8"H

TOTAL Mobile Audio T1000.1 (TMA - A JL Audio Company)

Class D Monoblock Amplifier

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TOTAL Mobile Audio T1000.1 (TMA - A JL Audio Company)

Class D Monoblock Amplifier

TMA Monoblock Class D Car Amplifier • 1000 Watts Max • 750 Watts x 1 Chan. @ 2 Ohm • 400 Watts x 1 Chan. @ 2 Ohm • Phase Switch (0 Or 180 Degrees) • Preamp Pass Through Output • Remote Bass Level Control Included

TMA Monoblock Class D Car Amplifier • 1000 Watts Max • 750 Watts x 1 Chan. @ 2 Ohm • 400 Watts x 1 Chan. @ 2 Ohm • Phase Switch (0 Or 180 Degrees) • Preamp Pass Through Output • Remote Bass Level Control Included

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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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