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  1. Home
  2. Discontinued Car Audio & Electronics
  3. Discontinued Car Amplifiers
  4. Discontinued Class-D Amplifiers

Discontinued Class-D 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 (49)
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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.

Hifonics Atlas

3000W RMS 1-Channel Monoblock Mt. Olympus Series Class D Amplifier

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Hifonics Atlas

3000W RMS 1-Channel Monoblock Mt. Olympus Series Class D Amplifier

• RMS: 1200W x 1 @ 4 ohm, 2100W x 1 @ 2 ohm, 3000W x 1 @ 1 ohm
• Total RMS Power: 3000W
• Class D Circuitry
• Bass Boost: 0-10 dB
• 1 Pair of Preamp Outputs
• Dimensions: 9"W x 21-3/4"L x 2-3/4"H

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• RMS: 1200W x 1 @ 4 ohm, 2100W x 1 @ 2 ohm, 3000W x 1 @ 1 ohm
• Total RMS Power: 3000W
• Class D Circuitry
• Bass Boost: 0-10 dB
• 1 Pair of Preamp Outputs
• Dimensions: 9"W x 21-3/4"L x 2-3/4"H

Alpine MRP-M1000

1000W RMS, Class D Monoblock Amplifier

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Alpine MRP-M1000

1000W RMS, Class D Monoblock Amplifier

V-Power Series Class D Monoblock Car Amplifier • 600W x 1 chan. @ 4 ohm • 1000W x 1 chan. @ 2 ohm • 2000W x 1 chan. Max approx. • MOSFET Power supply • Bass EQ 0-12dB at 50Hz • Continuously adjustable gain control • Thermal management control

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V-Power Series Class D Monoblock Car Amplifier • 600W x 1 chan. @ 4 ohm • 1000W x 1 chan. @ 2 ohm • 2000W x 1 chan. Max approx. • MOSFET Power supply • Bass EQ 0-12dB at 50Hz • Continuously adjustable gain control • Thermal management control

Alpine PDR-M65

650W RMS PDR Series Monoblock Class D Amplifier

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Alpine PDR-M65

650W RMS PDR Series Monoblock Class D Amplifier

• RMS Power: 450W x 1 @ 4 ohm, 650W x 1 @ 2 ohm
• 1 Pair of Preamp Outputs
• Low Pass Filter
• Dimensions: 9" W x 7-1/8" D x 2-1/16" H

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• RMS Power: 450W x 1 @ 4 ohm, 650W x 1 @ 2 ohm
• 1 Pair of Preamp Outputs
• Low Pass Filter
• Dimensions: 9" W x 7-1/8" D x 2-1/16" H

Kenwood eXcelon X501-1

1000W Max X-Series 2-Ohm Stable Monoblock Amplifier

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Kenwood eXcelon X501-1

1000W Max X-Series 2-Ohm Stable Monoblock Amplifier

• 300 Watts RMS x 1 @ 4 ohm
• 500 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 1000 Watts
• CEA-2006 Compliant
• Variable low-pass filter: 50 - 200Hz, 24 dB/octave
• Variable Bass Boost: 0 to +18 dB bass boost at 40Hz
• Speaker-level (high-level) inputs

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• 300 Watts RMS x 1 @ 4 ohm
• 500 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 1000 Watts
• CEA-2006 Compliant
• Variable low-pass filter: 50 - 200Hz, 24 dB/octave
• Variable Bass Boost: 0 to +18 dB bass boost at 40Hz
• Speaker-level (high-level) inputs

** CLOSEOUT!! ** JL Audio e1400D

500 watts, Class D Monoblock Amplifier

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** CLOSEOUT!! ** JL Audio e1400D

500 watts, Class D Monoblock Amplifier

500W RMS Class D Monoblock Amplifier • High-Damping Class D Circuit • Built-in Crossover: LPF 20 - 400Hz • 500W x 1 @ 2 Ohm RMS (14.4V) • 320 W x 1 @ 4 Ohm RMS (14.4V) • Pass-through RCA Outputs • High-level Inputs • CEA-2006 Compliant

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500W RMS Class D Monoblock Amplifier • High-Damping Class D Circuit • Built-in Crossover: LPF 20 - 400Hz • 500W x 1 @ 2 Ohm RMS (14.4V) • 320 W x 1 @ 4 Ohm RMS (14.4V) • Pass-through RCA Outputs • High-level Inputs • CEA-2006 Compliant

Audiopipe APSM-1300

1000W Monoblock APSM Series Class D Amplifier

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Audiopipe APSM-1300

1000W Monoblock APSM Series Class D Amplifier

• RMS Power: 400W x 1 @ 4 ohm, 600W x 1 @ 2 ohm, 1000W x 1 @ 1 ohm
• Total Peak Power: 1000W
• Variable Low Pass Filter
• Dimensions: 10.5" W x 6.1" D x 1.9" H

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• RMS Power: 400W x 1 @ 4 ohm, 600W x 1 @ 2 ohm, 1000W x 1 @ 1 ohm
• Total Peak Power: 1000W
• Variable Low Pass Filter
• Dimensions: 10.5" W x 6.1" D x 1.9" H

Power Acoustik CB1-4500D

4500 Peak (1500W RMS) Class-D Monoblock 1-Ohm Stable Amplifier with Bass Knob

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Power Acoustik CB1-4500D

4500 Peak (1500W RMS) Class-D Monoblock 1-Ohm Stable Amplifier with Bass Knob

• 900 Watts RMS x 1 @ 4 ohm
• 1500 Watts RMS x 1 @ 2 ohm
Total Peak Power: 4500 Watts
• Built-in Low Pass and Subsonic Filters
• Bass Boost: 0 to +12
• Aluminum Heatsink
• Dimensions: 9.5" W x 13.25" L x 2" H

• 900 Watts RMS x 1 @ 4 ohm
• 1500 Watts RMS x 1 @ 2 ohm
Total Peak Power: 4500 Watts
• Built-in Low Pass and Subsonic Filters
• Bass Boost: 0 to +12
• Aluminum Heatsink
• Dimensions: 9.5" W x 13.25" L x 2" H

RE Audio SA 500.5

1600W 5 Channel SA Series Full Digital Amplifier

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RE Audio SA 500.5

1600W 5 Channel SA Series Full Digital Amplifier

• RMS Power: 63W x 4/180W x 1 @ 4 ohm, 85W x 4/280W x 1 @ 2 ohm, 400W x 1 @ 1 ohm
• Total Peak Power: 1800W
• CEA-2006 Compliant
• Dimensions: 4.72" W x 10.24" L x 1.57" H

• RMS Power: 63W x 4/180W x 1 @ 4 ohm, 85W x 4/280W x 1 @ 2 ohm, 400W x 1 @ 1 ohm
• Total Peak Power: 1800W
• CEA-2006 Compliant
• Dimensions: 4.72" W x 10.24" L x 1.57" H

Massive Audio N4 (ES - Special Edition)

Ultra compact 4000W Max Nano Block Series Monoblock Class D Amplifier

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Massive Audio N4 (ES - Special Edition)

Ultra compact 4000W Max Nano Block Series Monoblock Class D Amplifier

• RMS: 650W x 1 @ 4 ohm, 1000W x 1 @ 2 ohm, 2000W x 1 @ 1 ohm
• Total Peak Power: 4000W
• CEA-2006 Compliant
• Selectable Bass Boost: 0, +6, +12 dB
• Class D Circuitry
• Dimensions: 13-7/16"L x 5-1/2"W x 2-1/8"H

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• RMS: 650W x 1 @ 4 ohm, 1000W x 1 @ 2 ohm, 2000W x 1 @ 1 ohm
• Total Peak Power: 4000W
• CEA-2006 Compliant
• Selectable Bass Boost: 0, +6, +12 dB
• Class D Circuitry
• Dimensions: 13-7/16"L x 5-1/2"W x 2-1/8"H

Kenwood KAC-5001PS

500W RMS Class-D Monoblock Performance Series Car Power Amplifier

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Kenwood KAC-5001PS

500W RMS Class-D Monoblock Performance Series Car Power Amplifier

• RMS: 300 x 1 @ 4 ohm, 500W x 1 @ 2 ohm
• Total RMS Power: 500W
• CEA-2006 Compliant
• Bass Boost: 0 - 18 dB at 40 Hz
• Class D Circuitry
• Dimensions: 9-7/16"W x 7-9/16"L x 2-3/16"H

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• RMS: 300 x 1 @ 4 ohm, 500W x 1 @ 2 ohm
• Total RMS Power: 500W
• CEA-2006 Compliant
• Bass Boost: 0 - 18 dB at 40 Hz
• Class D Circuitry
• Dimensions: 9-7/16"W x 7-9/16"L x 2-3/16"H

Cerwin-Vega XED15001

1500 Watts Max XED Series Class D Monoblock Car Subwoofer Amplifier

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Cerwin-Vega XED15001

1500 Watts Max XED Series Class D Monoblock Car Subwoofer Amplifier

• 600 Watts RMS x 1 @ 4 ohm
• 1200 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 1500 Watts
• CEA-2006 Compliant
• Proprietary Vega Bass Boost EQ Up To 12dBn
• Dimensions: 10.3” x 4.7” x 1.8”

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• 600 Watts RMS x 1 @ 4 ohm
• 1200 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 1500 Watts
• CEA-2006 Compliant
• Proprietary Vega Bass Boost EQ Up To 12dBn
• Dimensions: 10.3” x 4.7” x 1.8”

Sony XM-1S

500 Watts Slim Series Class D MonoBlock Amplifier

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Sony XM-1S

500 Watts Slim Series Class D MonoBlock Amplifier

500 watts, Slim Series MonoBlock Amplifier • RMS Power Output: 4 ohm: 290 watts x 1 / 2 ohm: 500 watts x 1 • Frequency Response: 5 Hz - 300 Hz • Class-D amplifier design • MOSFET outputs and power supply • Speaker-level inputs with high-level sensing turn-on • Preamp inputs and outputs

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500 watts, Slim Series MonoBlock Amplifier • RMS Power Output: 4 ohm: 290 watts x 1 / 2 ohm: 500 watts x 1 • Frequency Response: 5 Hz - 300 Hz • Class-D amplifier design • MOSFET outputs and power supply • Speaker-level inputs with high-level sensing turn-on • Preamp inputs and outputs

RE Audio Subwoofer and Hifonics Amplifier Combo

RE Audio SCX12v2 12" SCXv2 Series Dual 4 Ohm Subwoofer + Hifonics HFi1000.1D 1000 Watt RMS Monoblock Amplifier

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RE Audio Subwoofer and Hifonics Amplifier Combo

RE Audio SCX12v2 12" SCXv2 Series Dual 4 Ohm Subwoofer + Hifonics HFi1000.1D 1000 Watt RMS Monoblock Amplifier

• 12" Dual 4 Ohm SCXv2 Series Subwoofer
• RMS: 450 watts
• Dual composite 2-piece cone
• 1000 Watt RMS Class D Monoblock HFi Series Subwoofer Amplifier
• 1-Ohm Stable

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• 12" Dual 4 Ohm SCXv2 Series Subwoofer
• RMS: 450 watts
• Dual composite 2-piece cone
• 1000 Watt RMS Class D Monoblock HFi Series Subwoofer Amplifier
• 1-Ohm Stable

Sony XM-SD51X

Class D Monoblock Subwoofer Amplifier

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Sony XM-SD51X

Class D Monoblock Subwoofer Amplifier

Class-D Monoblock Amplifier • 600W RMS x 1 @ 4 • 1,100W RMS x 1 @ 2 • Bass Remote Included • Blue LED Lighting • High and Low Level Inputs • RCA Pass-through • Protection Circuit • Signal to Noise Ratio 76 dB

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Class-D Monoblock Amplifier • 600W RMS x 1 @ 4 • 1,100W RMS x 1 @ 2 • Bass Remote Included • Blue LED Lighting • High and Low Level Inputs • RCA Pass-through • Protection Circuit • Signal to Noise Ratio 76 dB

RE Audio SA 1000.1 (SA1000.1)

1400W Monoblock SA Series Class D Amplifier

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RE Audio SA 1000.1 (SA1000.1)

1400W Monoblock SA Series Class D Amplifier

• RMS Power: 200W x 1 @ 4 ohm, 300W x 1 @ 2 ohm, 700W x 1 @ 1 ohm
• Total Peak Power: 1400W
• Variable Low Pass Filter
• Dimensions: 4.72" W x 9.05" L x 1.57" H

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• RMS Power: 200W x 1 @ 4 ohm, 300W x 1 @ 2 ohm, 700W x 1 @ 1 ohm
• Total Peak Power: 1400W
• Variable Low Pass Filter
• Dimensions: 4.72" W x 9.05" L x 1.57" H

Infinity Kappa K5 Car Amplifier with Bluetooth and Clari-fi Technology

2300W Peak (750W RMS) Bluetoooth High Performance Kappa Series Class-D 5-Channel 2-Ohm Stable Amplifier and Clari-Fi Technology

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Infinity Kappa K5 Car Amplifier with Bluetooth and Clari-fi Technology

2300W Peak (750W RMS) Bluetoooth High Performance Kappa Series Class-D 5-Channel 2-Ohm Stable Amplifier and Clari-Fi Technology

• 75 Watts RMS x 4 @ 4 ohm
• 100 Watts RMS x 4 @ 2 ohm
• 200 Watts RMS x 2 @ 4 ohm Bridged
• Subwoofer Channel: 4 ohm: 200 watts x 1 chan.
• 2 ohm: 350 watts x 1 chan.
• Total Peak Power: 1500 Watts
• Bluetooth Streaming
• Clari-fi Technology
• Wired control panel
• Speaker-level (high-level) inputs

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• 75 Watts RMS x 4 @ 4 ohm
• 100 Watts RMS x 4 @ 2 ohm
• 200 Watts RMS x 2 @ 4 ohm Bridged
• Subwoofer Channel: 4 ohm: 200 watts x 1 chan.
• 2 ohm: 350 watts x 1 chan.
• Total Peak Power: 1500 Watts
• Bluetooth Streaming
• Clari-fi Technology
• Wired control panel
• Speaker-level (high-level) inputs

Memphis 16-PR1.500

Power Reference PR Series Class D Monoblock Amplifier

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Memphis 16-PR1.500

Power Reference PR Series Class D Monoblock Amplifier

PR Series Class D Monoblock Amplifier • RMS: 150 watts x 1 chan. @ 4 ohm • 300 watts x 1 chan. @ 2 ohm • 500 watts x 1 chan. @ 1 ohm • Optional Wired remote bass level control • Bass Boost: 0-18 dB

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PR Series Class D Monoblock Amplifier • RMS: 150 watts x 1 chan. @ 4 ohm • 300 watts x 1 chan. @ 2 ohm • 500 watts x 1 chan. @ 1 ohm • Optional Wired remote bass level control • Bass Boost: 0-18 dB

Boss PD3000

3000W Monoblock Phantom Series Class D Amplifier

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Boss PD3000

3000W Monoblock Phantom Series Class D Amplifier

• RMS: 750W x 1 @ 4 ohm
• Total Peak Power: 3000W
• Gold-plated RCA low level and high level inputs
• 3-way protection circuitry (thermal, overload, and speaker short protection)
• Wired remote bass level control included
• 10.31" W x 13.00" L x 2.25" H

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• RMS: 750W x 1 @ 4 ohm
• Total Peak Power: 3000W
• Gold-plated RCA low level and high level inputs
• 3-way protection circuitry (thermal, overload, and speaker short protection)
• Wired remote bass level control included
• 10.31" W x 13.00" L x 2.25" H

Kicker DX250.1 (11DX250.1)

250W RMS, Monoblock Class D DX Series Amplifier

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Kicker DX250.1 (11DX250.1)

250W RMS, Monoblock Class D DX Series Amplifier

• RMS: 140W x 1 @ 4 ohm, 250W x 1 @ 2 ohm
• Total RMS Power: 250W
• CEA-2006 Compliant
• Bass Boost 0-12 dB
• Balanced Differential Inputs for Noise Elimination
• Dimensions: 10-1/4"L x 8-5/16"W x 2-1/4"H

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• RMS: 140W x 1 @ 4 ohm, 250W x 1 @ 2 ohm
• Total RMS Power: 250W
• CEA-2006 Compliant
• Bass Boost 0-12 dB
• Balanced Differential Inputs for Noise Elimination
• Dimensions: 10-1/4"L x 8-5/16"W x 2-1/4"H

Rockford Fosgate PRIME R1000-1D

1000W RMS, PRIME Series Class D Monoblock Amplifier

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Rockford Fosgate PRIME R1000-1D

1000W RMS, PRIME Series Class D Monoblock Amplifier

PRIME Series Single-Channel Monoblock Class D Car Amplifier • 500W x 1 Chan. @ 4 Ohm • 1000W x 1 Chan. @ 2 Ohm • Tuned Bass EQ • Variable Low-Pass Filter • Extruded Aluminum Heatsink

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PRIME Series Single-Channel Monoblock Class D Car Amplifier • 500W x 1 Chan. @ 4 Ohm • 1000W x 1 Chan. @ 2 Ohm • Tuned Bass EQ • Variable Low-Pass Filter • Extruded Aluminum Heatsink

Soundstream TN1.2000D

2000W Peak (1000 RMS) Tarantula Nano Class-D Monoblock 1-Ohm Stable Amplifier w/ Bass Knob Included

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Soundstream TN1.2000D

2000W Peak (1000 RMS) Tarantula Nano Class-D Monoblock 1-Ohm Stable Amplifier w/ Bass Knob Included

• 450 Watts RMS x 1 @ 4 ohm
•800 Watts RMS x 1 @ 2 ohm
• 1000 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 2000 Watts
• Built-In Low Pass and Subsonic Filters
• Aluminum Heatsink
• Dimensions: 7.25" W x 12.75" L x 2.25" H

• 450 Watts RMS x 1 @ 4 ohm
•800 Watts RMS x 1 @ 2 ohm
• 1000 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 2000 Watts
• Built-In Low Pass and Subsonic Filters
• Aluminum Heatsink
• Dimensions: 7.25" W x 12.75" L x 2.25" H

Autotek MM3020.1D (MM30201D)

3000W Max Mean Machine Series 1 ohm Stable Monoblock Class-D Amplifier w/ Bass Knob Included

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Autotek MM3020.1D (MM30201D)

3000W Max Mean Machine Series 1 ohm Stable Monoblock Class-D Amplifier w/ Bass Knob Included

• 750 Watts RMS x 1 @ 4 ohm
• 1500 Watts RMS x 1 @ 2 ohm
• 3000 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 3000 Watts
• CEA-2006 Compliant/Preamp Outputs/LPF
• 0 to 12 dB Bass Boost
• Heavy duty aluminum alloy heat-sink

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• 750 Watts RMS x 1 @ 4 ohm
• 1500 Watts RMS x 1 @ 2 ohm
• 3000 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 3000 Watts
• CEA-2006 Compliant/Preamp Outputs/LPF
• 0 to 12 dB Bass Boost
• Heavy duty aluminum alloy heat-sink

Soundstream TN1.1200D

1200W Monoblock Tarantula NANO Series Class-D Amplifier

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Soundstream TN1.1200D

1200W Monoblock Tarantula NANO Series Class-D Amplifier

• RMS Power: 660W x 1 @ 4 ohm, 1050W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
• Three-Way Protection Circuitry
• Low Pass Filter
• Dimensions: 6.75" W x 12.75" L x 1.75" H

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• RMS Power: 660W x 1 @ 4 ohm, 1050W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
• Three-Way Protection Circuitry
• Low Pass Filter
• Dimensions: 6.75" W x 12.75" L x 1.75" H

JL Audio JX500/1D

500W RMS JX Series Monoblock Class D Subwoofer Amplifier

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JL Audio JX500/1D

500W RMS JX Series Monoblock Class D Subwoofer Amplifier

• RMS: 300W x 1 @ 4 ohm, 400W x 1 @ 3 ohm, 500W x 1 @ 2 ohm
• Unregulated PWM switching type power supply
• Class D Circuitry
• Bass Boost: 0-12 dB
• Speaker-level (high-level) inputs with included harness
• Dimensions: 7.68"W x 10.94"L x 2.09"H

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• RMS: 300W x 1 @ 4 ohm, 400W x 1 @ 3 ohm, 500W x 1 @ 2 ohm
• Unregulated PWM switching type power supply
• Class D Circuitry
• Bass Boost: 0-12 dB
• Speaker-level (high-level) inputs with included harness
• Dimensions: 7.68"W x 10.94"L x 2.09"H

Hifonics Zeus ZRX1200.1D

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

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Hifonics Zeus ZRX1200.1D

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

• 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

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• 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

Soundstream RN1.5000D

5000 Watt Peak (2500W RMS) Rubicon Nano Series Class-D 1-Ohm Stable Monoblock Amplifier

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Soundstream RN1.5000D

5000 Watt Peak (2500W RMS) Rubicon Nano Series Class-D 1-Ohm Stable Monoblock Amplifier

• 1000 Watts RMS x 1 @ 4 ohm
• 1500 Watts RMS x 1 @ 2 ohm
•2500 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 5000 Watts
• Wired remote bass level control included
• Heavy duty hybrid aluminum alloy heat-sink for extreme heat dissipation
• Dimensions: 6.5"W x 17.75"L x 1.5"H

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• 1000 Watts RMS x 1 @ 4 ohm
• 1500 Watts RMS x 1 @ 2 ohm
•2500 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 5000 Watts
• Wired remote bass level control included
• Heavy duty hybrid aluminum alloy heat-sink for extreme heat dissipation
• Dimensions: 6.5"W x 17.75"L x 1.5"H

Audiopipe APCL-15001D

1500W RMS APCL Series 1-Ohm Stable Monoblock Class D Subwoofer Amplifier

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Audiopipe APCL-15001D

1500W RMS APCL Series 1-Ohm Stable Monoblock Class D Subwoofer Amplifier

• RMS Power: 600W x 1 @ 4 ohm, 950W x 1 @ 2 ohm
• Total Peak Power: 1500W
• Adjustable Low Pass Filter
• High Quality Aluminum Heat Sink
• Dimensions: 6.9" W x 14" L x 2.16" H

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• RMS Power: 600W x 1 @ 4 ohm, 950W x 1 @ 2 ohm
• Total Peak Power: 1500W
• Adjustable Low Pass Filter
• High Quality Aluminum Heat Sink
• Dimensions: 6.9" W x 14" L x 2.16" H

Soundstream AR1.4500D

4500W Peak (2200W RMS) Arachnid Series Class-D Monoblock 1-Ohm Stable Amplifier with Bass Knob

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Soundstream AR1.4500D

4500W Peak (2200W RMS) Arachnid Series Class-D Monoblock 1-Ohm Stable Amplifier with Bass Knob

• 900 Watts RMS x 1 @ 4 ohm
• 1,100 Watts RMS x 1 @ 2 ohm
• 2,200 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 4,500 Watts
• Built-in Low Pass and Subsonic Filters
• 0-12dB Bass Boost
• Aluminum Heatsink
• Dimensions: 8.5" W x 13.75" L x 2.125" H

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• 900 Watts RMS x 1 @ 4 ohm
• 1,100 Watts RMS x 1 @ 2 ohm
• 2,200 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 4,500 Watts
• Built-in Low Pass and Subsonic Filters
• 0-12dB Bass Boost
• Aluminum Heatsink
• Dimensions: 8.5" W x 13.75" L x 2.125" H

AudioControl The Epicenter 1200

1200W RMS Monoblock Epicenter Series Class D Amplifier w/ The Epicenter Bass Restoration Built-In

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AudioControl The Epicenter 1200

1200W RMS Monoblock Epicenter Series Class D Amplifier w/ The Epicenter Bass Restoration Built-In

• RMS: 400W x 1 @ 4 ohm, 750W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
• THE EPICENTER® Digital Bass Restoration Built-in
•MILC™ Maximum Input Level Control
• Line-Level RCA Inputs and Active Speaker-Level Inputs)
• ACR-3 Remote Control Included
• 7.95" W x 12.00" L x 2.10" H

• RMS: 400W x 1 @ 4 ohm, 750W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
• THE EPICENTER® Digital Bass Restoration Built-in
•MILC™ Maximum Input Level Control
• Line-Level RCA Inputs and Active Speaker-Level Inputs)
• ACR-3 Remote Control Included
• 7.95" W x 12.00" L x 2.10" H

Memphis 16-PR1.1000

Power Reference PR Series Class D Monoblock Amplifier

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Memphis 16-PR1.1000

Power Reference PR Series Class D Monoblock Amplifier

Power Reference Series Class D Monoblock Car Amplifier • 300W x 1 chan. @ 4 ohm • 600W x 1 chan. @ 2 ohm • 1000W x 1 chan. @ 1 ohm • Remote bass level input • Internal cooling-fan

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Power Reference Series Class D Monoblock Car Amplifier • 300W x 1 chan. @ 4 ohm • 600W x 1 chan. @ 2 ohm • 1000W x 1 chan. @ 1 ohm • Remote bass level input • Internal cooling-fan

Hifonics ZG-2400.1D

2400W ZEUS Gamma Series Monoblock Subwoofer Amplifier

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Hifonics ZG-2400.1D

2400W ZEUS Gamma Series Monoblock Subwoofer Amplifier

• 2400 Watt Class D Amplifier
• Bass Remote Included
• Angled Terminals for Easy Installation
• Speaker and RCA Level Inputs

• 2400 Watt Class D Amplifier
• Bass Remote Included
• Angled Terminals for Easy Installation
• Speaker and RCA Level Inputs

Kicker 08ZX400.1

400W RMS, Class D Monoblock ZX Series Amplifier (ZX400.1, 08ZX4001, ZX4001)

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Kicker 08ZX400.1

400W RMS, Class D Monoblock ZX Series Amplifier (ZX400.1, 08ZX4001, ZX4001)

ZX Series Class D Monoblock Car Amplifier • 200W x 1 chan. @ 4 ohm • 400W x 1 chan. @ 2 ohm • Balanced differential inputs make KICKER ZX Amplifiers compatible with any factory radios

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ZX Series Class D Monoblock Car Amplifier • 200W x 1 chan. @ 4 ohm • 400W x 1 chan. @ 2 ohm • Balanced differential inputs make KICKER ZX Amplifiers compatible with any factory radios

MTX XTHUNDER1500.1

1500W RMS XThunder Series 1 Ohm Stable Mononlock Class D Amplifier

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MTX XTHUNDER1500.1

1500W RMS XThunder Series 1 Ohm Stable Mononlock Class D Amplifier

• RMS Power: 600W x 1 @ 4 ohm, 900W x 1 @ 2 ohm, 1500W x 1 @ 1 ohm
• Total Peak Power: 3000W
• Variable Low Pass Filter
• Dimensions: 8.9" W x 14.2" L x 2.03" H

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• RMS Power: 600W x 1 @ 4 ohm, 900W x 1 @ 2 ohm, 1500W x 1 @ 1 ohm
• Total Peak Power: 3000W
• Variable Low Pass Filter
• Dimensions: 8.9" W x 14.2" L x 2.03" H

Soundstream ST1.1000D

1000W Max (500W RMS) Stealth Series Class-D Monoblock 2 Ohm Stable Amplifier with Bass Knob Included

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Soundstream ST1.1000D

1000W Max (500W RMS) Stealth Series Class-D Monoblock 2 Ohm Stable Amplifier with Bass Knob Included

• 350 Watts RMS x 1 @ 4 ohm
• 500 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 1000 Watts
• Low Pass and Subsonic Filters
• 0 - 18 dB Bass Boost
• Small Footprint Makes for Easy Installation
• Aluminum Heatsink
• 3" W x 7.75" L x 1.5" H

• 350 Watts RMS x 1 @ 4 ohm
• 500 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 1000 Watts
• Low Pass and Subsonic Filters
• 0 - 18 dB Bass Boost
• Small Footprint Makes for Easy Installation
• Aluminum Heatsink
• 3" W x 7.75" L x 1.5" H

Massive Audio N2 (ES - Special Edition)

Ultra Compact 1600W Max (800W RMS) Nano Block Class-D Monoblock 1-Ohm Stable Amplifier with Adjustable Bass Boost

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Massive Audio N2 (ES - Special Edition)

Ultra Compact 1600W Max (800W RMS) Nano Block Class-D Monoblock 1-Ohm Stable Amplifier with Adjustable Bass Boost

• RMS: 200W x 1 @ 4 ohm, 400W x 1 @ 2 ohm, 800W x 1 @ 1 ohm
• Total Peak Power: 1600W
• CEA-2006 Compliant
• Selectable Bass Boost: 0, +6, +12 dB
• Class D Circuitry
• Dimensions: 7-1/4"L x 5-1/2"W x 2-1/8"H

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• RMS: 200W x 1 @ 4 ohm, 400W x 1 @ 2 ohm, 800W x 1 @ 1 ohm
• Total Peak Power: 1600W
• CEA-2006 Compliant
• Selectable Bass Boost: 0, +6, +12 dB
• Class D Circuitry
• Dimensions: 7-1/4"L x 5-1/2"W x 2-1/8"H

Boss Onyx NXD3500

3500W Max, Onyx Series Class D Monoblock Power Amplifier with Remote Level Control

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Boss Onyx NXD3500

3500W Max, Onyx Series Class D Monoblock Power Amplifier with Remote Level Control

Onyx Series Monoblock Class D Car Amplifier • 1500W x 1 Chan. @ 4 ohm • 3500W Max • MOSFET PWM Power supply • Variable gain controls • Phase Shift Selector • Black Heatsink • Variable Subsonic and low-pass filter

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Onyx Series Monoblock Class D Car Amplifier • 1500W x 1 Chan. @ 4 ohm • 3500W Max • MOSFET PWM Power supply • Variable gain controls • Phase Shift Selector • Black Heatsink • Variable Subsonic and low-pass filter

Boss R2400D Monoblock Amplifier

2400W Max (1800W RMS) Riot Series Class-D Monoblock 1-Ohm Stable Amplifier with Remote Level Control Included

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Boss R2400D Monoblock Amplifier

2400W Max (1800W RMS) Riot Series Class-D Monoblock 1-Ohm Stable Amplifier with Remote Level Control Included

• 450 Watts RMS x 1 @ 4 ohm
• 900 Watts RMS x 1 @ 2 ohm
• 1800 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 2400 Watts
• Wired remote bass level control included
• Preamp RCA outputs to daisy chain multiple amps
• Variable Bass Boost

• 450 Watts RMS x 1 @ 4 ohm
• 900 Watts RMS x 1 @ 2 ohm
• 1800 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 2400 Watts
• Wired remote bass level control included
• Preamp RCA outputs to daisy chain multiple amps
• Variable Bass Boost

Autotek MM4020.1D (MM40201D)

4000W Max 1-ohm Stable Monoblock Amplifier w/ Bass Knob Included

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Autotek MM4020.1D (MM40201D)

4000W Max 1-ohm Stable Monoblock Amplifier w/ Bass Knob Included

• 1000 Watts Max x 1 @ 4 ohm
• 2000 Watts Max x 1 @ 2 ohm
• 4000 Watts Max x 1 @ 1 ohm
• Total Peak Power: 4000 Watts
• Low Pass and Subsonic Filters
• 0-12dB Bass Boost
• Aluminum Heatsink

4

• 1000 Watts Max x 1 @ 4 ohm
• 2000 Watts Max x 1 @ 2 ohm
• 4000 Watts Max x 1 @ 1 ohm
• Total Peak Power: 4000 Watts
• Low Pass and Subsonic Filters
• 0-12dB Bass Boost
• Aluminum Heatsink

SPL FX1-5500D

5500W Max, Class D Monoblock Amplifier

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SPL FX1-5500D

5500W Max, Class D Monoblock Amplifier

FX1 Series 1-Channel Class D Car Amplifier • 1700W x 1 chan. @ 4 ohm • 2500W x 1 chan. @ 2 ohm • 3200W x 1 chan. @ 1 ohm • 5500W x 1 chan. Max • Nickel Plated Heavy Duty Power & Speaker Terminals

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FX1 Series 1-Channel Class D Car Amplifier • 1700W x 1 chan. @ 4 ohm • 2500W x 1 chan. @ 2 ohm • 3200W x 1 chan. @ 1 ohm • 5500W x 1 chan. Max • Nickel Plated Heavy Duty Power & Speaker Terminals

Kenwood KAC-9102D

Monoblock Class D 1700 watts Amplifier

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Kenwood KAC-9102D

Monoblock Class D 1700 watts Amplifier

Class-D Monoblock Amplifier • 500W RMS x 1 @ 4 ohm • 850W RMS x 1 @ 2 ohm • Variable Low-Pass and Subsonic Filter • High and Low Level Inputs • 1 Pair RCA Outputs • 0 - 18 dB Bass Boost

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Class-D Monoblock Amplifier • 500W RMS x 1 @ 4 ohm • 850W RMS x 1 @ 2 ohm • Variable Low-Pass and Subsonic Filter • High and Low Level Inputs • 1 Pair RCA Outputs • 0 - 18 dB Bass Boost

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FAQ Frequently asked questions in Discontinued Class-D Amplifiers

Class D Amplifiers Frequently Asked Questions (FAQ)
Class D amplifiers are a type of switching amplifier known for their high efficiency and compact size. Unlike traditional Class A, B, and AB amplifiers that use continuous analog voltage to amplify audio signals, Class D amplifiers employ a digital switching technique. This process rapidly switches the output transistors on and off, effectively turning them into binary switches that deliver the audio signal to the speaker. The switching nature of Class D amplifiers drastically reduces power wastage, resulting in higher efficiency and less heat production. As a result, Class D amplifiers are ideal for applications with limited space or power constraints, making them popular in car audio, home theater systems, and portable devices.
Yes, modern Class D amplifiers have made significant advancements in audio fidelity and can deliver high-quality sound performance. While traditional audiophiles may have associated Class D with lower audio quality due to early models' limitations, today's Class D amplifiers have overcome many of these challenges. With advancements in switching technology, filtering, and feedback mechanisms, Class D amplifiers can now offer exceptional audio reproduction that rivals traditional Class AB amplifiers. Additionally, Class D amplifiers' efficiency and lower heat generation make them well-suited for high-power audio applications where traditional amplifiers would be impractical.
Yes, Class D amplifiers are versatile and can power various speaker types, including subwoofers, woofers, mid-range, and tweeters. When selecting a Class D amplifier for your speakers, consider the power output (wattage) and impedance rating. Ensure that the amplifier's power rating matches or slightly exceeds your speakers' power handling capabilities to prevent underpowering or overpowering, which can lead to distortion or speaker damage. Additionally, check the amplifier's impedance range to ensure compatibility with your speakers' impedance. Most Class D amplifiers can handle both 4-ohm and 2-ohm loads, making them suitable for a wide range of speaker configurations.
No, Class D amplifiers are known for their high efficiency, which results in significantly less heat generation compared to other amplifier classes like Class A or Class AB. The digital switching technique used in Class D amplifiers reduces power loss, resulting in a more efficient conversion of electrical energy into audio output. As a result, Class D amplifiers remain relatively cool even at high volume levels, making them suitable for space-constrained installations and applications where heat dissipation is a concern. Their cool operation also extends the lifespan of internal components and reduces the need for large heat sinks or fans.
Yes, many Class D amplifiers support bridge mode, allowing you to increase the power output when driving a single speaker or subwoofer. In bridge mode, the amplifier combines the power output from two channels into a single channel, effectively doubling the power delivered to the speaker. However, it's essential to follow the manufacturer's guidelines and ensure that your amplifier supports bridging. Additionally, pay attention to the speaker's impedance requirements, as bridging may change the amplifier's impedance capabilities. If you're unsure or need assistance with bridging your Class D amplifier, contact Sonic Electronix's knowledgeable staff, who can help you find the right amplifier and configuration for your audio setup. With their compact size, high efficiency, and versatility, Class D amplifiers offer a compelling solution for various audio applications, delivering powerful and clear sound performance with minimal heat output.
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