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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)
Zeus Series (38)
KX Series (15)
MD Series (15)
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CX Series (14)
Picasso-Nano Series (14)
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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.

Phoenix Gold Xenon X400.1

X400.1 big DISCONTINUED
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Phoenix Gold Xenon X400.1

400 watt amplifier • 400W x 1 (1-4 Ohm) • Xe.load, Xe.tune, Xe.flow • Built in High/Low Pass Crossovers • Bass Boost: 0-18dB • Variable input sensitivity

3

400 watt amplifier • 400W x 1 (1-4 Ohm) • Xe.load, Xe.tune, Xe.flow • Built in High/Low Pass Crossovers • Bass Boost: 0-18dB • Variable input sensitivity

Precision Power PPI P900.5

900W RMS, Phantom Series Class D Full Range 5-Channel Amplifier

P900.5 big DISCONTINUED
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Precision Power PPI P900.5

900W RMS, Phantom Series Class D Full Range 5-Channel Amplifier

• 70W RMS x 4 Channels + 270W RMS x 1 channel @ 4 ohm
• Tri-Mode Capable
• 3-Way System Protection
• Variable Low-Pass Crossover
• Variable High-Pass Crossover
• Band-Pass Crossovers
• Input Source Selector

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• 70W RMS x 4 Channels + 270W RMS x 1 channel @ 4 ohm
• Tri-Mode Capable
• 3-Way System Protection
• Variable Low-Pass Crossover
• Variable High-Pass Crossover
• Band-Pass Crossovers
• Input Source Selector

Power Acoustik REP1-2700D

1500W RMS Class D Monoblock Reaper Series Car Power Amplifier

REP1-2700D big DISCONTINUED
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Power Acoustik REP1-2700D

1500W RMS Class D Monoblock Reaper Series Car Power Amplifier

• Peak: 950W x 1 @ 4 ohm, 1200W x 1 @ 2 ohm, 1500W x 1 @ 1 ohm
• Total Peak Power: 2700W
• Wired Bass Remote Included
• Bass Boost: 0-18 dB
• Class D Circuitry
• Dimensions: 9"W x 11"D x 2-1/2"H

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• Peak: 950W x 1 @ 4 ohm, 1200W x 1 @ 2 ohm, 1500W x 1 @ 1 ohm
• Total Peak Power: 2700W
• Wired Bass Remote Included
• Bass Boost: 0-18 dB
• Class D Circuitry
• Dimensions: 9"W x 11"D x 2-1/2"H

RE Audio DTS-1000.1

1000W Monoblock Class D DTS Series Car Amplifier (DTS1000.1)

DTS-1000.1 big DISCONTINUED
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RE Audio DTS-1000.1

1000W Monoblock Class D DTS Series Car Amplifier (DTS1000.1)

DTS Series Monoblock Class D Car Amplifier • 1600W Dynamic • Wired Remote Bass Level Control • Preamp RCA Outputs • Variable Low-Pass Filter • Subsonic Filter • Variable Bass Boost

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DTS Series Monoblock Class D Car Amplifier • 1600W Dynamic • Wired Remote Bass Level Control • Preamp RCA Outputs • Variable Low-Pass Filter • Subsonic Filter • Variable Bass Boost

Boss BL3KD

3000W Blade Series Class D Monoblock Amplifier (BL-3KD)

BL3KD big DISCONTINUED
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Boss BL3KD

3000W Blade Series Class D Monoblock Amplifier (BL-3KD)

3000 watts Max, Monoblock Amplifier • 1200 watts x 4 chan. @ 4 ohm • MOSFET Power Supply • Tri-mode Operation • Low Pass Crossover • Line and Speaker Level Inputs • Remote Subwoofer Level Control

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3000 watts Max, Monoblock Amplifier • 1200 watts x 4 chan. @ 4 ohm • MOSFET Power Supply • Tri-mode Operation • Low Pass Crossover • Line and Speaker Level Inputs • Remote Subwoofer Level Control

Memphis 16-MCD4KW

4000W RMS, Class D Monoblock MOJO Series Amplifier

16-MCD4KW big DISCONTINUED
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Memphis 16-MCD4KW

4000W RMS, Class D Monoblock MOJO Series Amplifier

MOJO Series Monoblock Class D • 4000W RMS x 1 @ 1 • 2000W RMS x 1 @ 2 • Low Heat Generation • Gold-plated RCA Inputs • MOSFET Power Supply • Custom Black Pearl Finish • Power, Protection, Blown Fuse LED Indicators

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MOJO Series Monoblock Class D • 4000W RMS x 1 @ 1 • 2000W RMS x 1 @ 2 • Low Heat Generation • Gold-plated RCA Inputs • MOSFET Power Supply • Custom Black Pearl Finish • Power, Protection, Blown Fuse LED Indicators

Cerwin-Vega H41200.4

1200W HED Series 4-Channel Class AB Amplifier

H41200.4 big DISCONTINUED
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Cerwin-Vega H41200.4

1200W HED Series 4-Channel Class AB Amplifier

• RMS Power: 80W x 4 @ 4 ohm , 110 watts x 4 @ 2 ohm
• Total Peak Power: 1200W
• Variable Low-Pass Filter
• Pulse Width Modulated MOSFET Power Supply
• Heavy-Grade Aluminum Alloy Extruded Heatsink

1

• RMS Power: 80W x 4 @ 4 ohm , 110 watts x 4 @ 2 ohm
• Total Peak Power: 1200W
• Variable Low-Pass Filter
• Pulse Width Modulated MOSFET Power Supply
• Heavy-Grade Aluminum Alloy Extruded Heatsink

MA Audio HK2000D

Class D / X Monoblock Amplifier

HK2000D big DISCONTINUED
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MA Audio HK2000D

Class D / X Monoblock Amplifier

2000W Digital Class X Competition Mono Block Amplifier • 1000W x 1 @ 2 Ohm at 14.4V • 1500W @ 1 Ohm at 14.4V • 1500W x 1 @ 2 Ohm at 17.04V • 1800W @ 1 Ohm at 17.0V • Fully Unregulated Power Supply • Full Mosfet Circuitry • Stainless Steel Finish Heat sink • Low Pass and Subsonic Filters • 0 - 18 dB Bass Boost

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2000W Digital Class X Competition Mono Block Amplifier • 1000W x 1 @ 2 Ohm at 14.4V • 1500W @ 1 Ohm at 14.4V • 1500W x 1 @ 2 Ohm at 17.04V • 1800W @ 1 Ohm at 17.0V • Fully Unregulated Power Supply • Full Mosfet Circuitry • Stainless Steel Finish Heat sink • Low Pass and Subsonic Filters • 0 - 18 dB Bass Boost

Orion 2500D Class D

2500D big DISCONTINUED
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Orion 2500D Class D

2500W Subwoofer Amplifier • 1700W x 1 channel power output at 2 Ohm • 1200W x 1 channel power output at 4 Ohm • 12/24 dB Lowpass Xover • 1 Ohm Stable

2

2500W Subwoofer Amplifier • 1700W x 1 channel power output at 2 Ohm • 1200W x 1 channel power output at 4 Ohm • 12/24 dB Lowpass Xover • 1 Ohm Stable

Hifonics BX1605D

Class D MonoBlock Amplifier

BX1605D big DISCONTINUED
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Hifonics BX1605D

Class D MonoBlock Amplifier

1600 Watt Super D-Class Amplifier • 1600W RMS x 1 @ 1 ohm • Wired Bass Remote Included • 1 Pair Line Outputs • LPF(35-250Hz), Subsonic(15-35Hz) • Illuminated Hifonics Logo • 0-18 dB Bass Boost

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1600 Watt Super D-Class Amplifier • 1600W RMS x 1 @ 1 ohm • Wired Bass Remote Included • 1 Pair Line Outputs • LPF(35-250Hz), Subsonic(15-35Hz) • Illuminated Hifonics Logo • 0-18 dB Bass Boost

EXCLUSIVE

Hifonics ZXX-3200.1D 3200 Watt Zeus Amplifier + FREE 0 Gauge Amp Kit

FREE Complete 0 Gauge Amp Installation Wire Kit Included!!!

ZXX-3200.1D_BAK02 big DISCONTINUED
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Hifonics ZXX-3200.1D 3200 Watt Zeus Amplifier + FREE 0 Gauge Amp Kit

FREE Complete 0 Gauge Amp Installation Wire Kit Included!!!

• 800 Watts Peak x 1 @ 4 ohm
• 1600 Watts Peak x 1 @ 2 ohm
• 3200 Watts Peak x 1 @ 1 ohm
• Total Peak Power: 3200 Watts
• Low-Pass and Sub-Sonic Filters
• Variable Bass Boost
• Aluminum Heatsink
• 20" W x 10" L x 2.4" H

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• 800 Watts Peak x 1 @ 4 ohm
• 1600 Watts Peak x 1 @ 2 ohm
• 3200 Watts Peak x 1 @ 1 ohm
• Total Peak Power: 3200 Watts
• Low-Pass and Sub-Sonic Filters
• Variable Bass Boost
• Aluminum Heatsink
• 20" W x 10" L x 2.4" H

Hifonics TXi 1508D

1500W RMS, Class D Monoblock Titan TXi Series Amplifier (TXi1508D)

TXi1508D big DISCONTINUED
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Hifonics TXi 1508D

1500W RMS, Class D Monoblock Titan TXi Series Amplifier (TXi1508D)

Titan Series 1-Channel Class D Car Amplifier • 450W x 1 chan. @ 4 ohm • 900W x 1 chan. @ 2 ohm • 1500W x 1 chan. @ 1 ohm • PWM MOSFET power supply • Wired remote bass level control included • Mono channel operation • Preamp RCA outputs

6

Titan Series 1-Channel Class D Car Amplifier • 450W x 1 chan. @ 4 ohm • 900W x 1 chan. @ 2 ohm • 1500W x 1 chan. @ 1 ohm • PWM MOSFET power supply • Wired remote bass level control included • Mono channel operation • Preamp RCA outputs

RE Audio XT-4000DEV3

3200W, 1-Channel Monoblock Class "DE" Digital Stereo Amplifier

XT-4000DEV3 big DISCONTINUED
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RE Audio XT-4000DEV3

3200W, 1-Channel Monoblock Class "DE" Digital Stereo Amplifier

XT V3 Series 1-Channel Digital Car Amplifier • Class DE • 500W x 1 Chan. @ 4 Ohm • 750W x 1 Chan @ 2 Ohm • 1200W x 1 Chan. @ 1 Ohm • Elevated Efficiency Platform • Low-Pass Filter • Aluminum Heatsink

2

XT V3 Series 1-Channel Digital Car Amplifier • Class DE • 500W x 1 Chan. @ 4 Ohm • 750W x 1 Chan @ 2 Ohm • 1200W x 1 Chan. @ 1 Ohm • Elevated Efficiency Platform • Low-Pass Filter • Aluminum Heatsink

Pioneer Premier PRS-D2000SPL

4000W Max, Premier Competition-Level SPL Class D Monoblock Amplifier

PRS-D2000SPL big DISCONTINUED
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Pioneer Premier PRS-D2000SPL

4000W Max, Premier Competition-Level SPL Class D Monoblock Amplifier

4000 watts Max, Premier Competition Level Monoblock Class D Car Amplifier • RMS: 4 ohm: 750 watts x 1 chan. • RMS: 2 ohm: 1500 watts x 1 chan. • RMS: 1 ohm: 2000 watts x 1 chan. • Max power output: 4000 watts x 1 chan.

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4000 watts Max, Premier Competition Level Monoblock Class D Car Amplifier • RMS: 4 ohm: 750 watts x 1 chan. • RMS: 2 ohm: 1500 watts x 1 chan. • RMS: 1 ohm: 2000 watts x 1 chan. • Max power output: 4000 watts x 1 chan.

Phoenix Gold Xenon X600.1

Class D Monoblock Amplifier

X600.1 big DISCONTINUED
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Phoenix Gold Xenon X600.1

Class D Monoblock Amplifier

600 watt amplifier • 600W x 1 (1-4 Ohm) • Xe.load, Xe.tune, Xe.flow • Built in High/Low Pass Crossovers • Bass Boost: 0-18dB • Variable input sensitivity

4

600 watt amplifier • 600W x 1 (1-4 Ohm) • Xe.load, Xe.tune, Xe.flow • Built in High/Low Pass Crossovers • Bass Boost: 0-18dB • Variable input sensitivity

Kenwood eXcelon XR-1S

1500W Max Reference Fit Class D Monoblock Amplifier

XR-1S big DISCONTINUED
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Kenwood eXcelon XR-1S

1500W Max Reference Fit Class D Monoblock Amplifier

Reference Fit Class D Monoblock Car Amplifier • 600 Watts X 1 Chan. @ 4 Ohm • 700 Watts X 1 Chan. @ 2 Ohm • 1600 Watts Max • Dual Sigma Drive Technology • Digital Amplifier • Dual Power Supply

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Reference Fit Class D Monoblock Car Amplifier • 600 Watts X 1 Chan. @ 4 Ohm • 700 Watts X 1 Chan. @ 2 Ohm • 1600 Watts Max • Dual Sigma Drive Technology • Digital Amplifier • Dual Power Supply

Massive Audio BX4

960W 4-Channel Class D BX Series High Performance Car Amplifier

BX4 big DISCONTINUED
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Massive Audio BX4

960W 4-Channel Class D BX Series High Performance Car Amplifier

• 120W x 4-Chan. @ 4 ohm
• 240W x 4-Chan. @ 2 ohm
• 480W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2 Channel Operation
• 8 Gauge Power and Ground Inputs
• Selectable LPF or HPF

1

• 120W x 4-Chan. @ 4 ohm
• 240W x 4-Chan. @ 2 ohm
• 480W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• 4/3/2 Channel Operation
• 8 Gauge Power and Ground Inputs
• Selectable LPF or HPF

Lanzar MXA3000D

3000W Max, Class D Monoblock Max Series Amplifier (MXA-3000D)

MXA3000D big DISCONTINUED
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Lanzar MXA3000D

3000W Max, Class D Monoblock Max Series Amplifier (MXA-3000D)

Max Series Monoblock Class D Car Amplifier • 3000W Max • 385W x 1-Chan. @ 2 Ohm • 250W x 1-Chan. @ 4 Ohm • Phase Shift 0-180° • 3-Way System Protection Circuitry • Stiffly Regulated PWM MOSFET Power Supply

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Max Series Monoblock Class D Car Amplifier • 3000W Max • 385W x 1-Chan. @ 2 Ohm • 250W x 1-Chan. @ 4 Ohm • Phase Shift 0-180° • 3-Way System Protection Circuitry • Stiffly Regulated PWM MOSFET Power Supply

Kicker KX800.5 (40KX800.5)

800W RMS KX Series 5-Channel Class D-IC Stereo Bridgeable Car Power Amplifier

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Kicker KX800.5 (40KX800.5)

800W RMS KX Series 5-Channel Class D-IC Stereo Bridgeable Car Power Amplifier

• 50W x 4-Chan + 200W x 1-Chan @ 4 ohm
• 100W x 4-Chan + 400W x 1-Chan @ 2 ohm
• Bridged: 200W x 2 Chan + 200W x 1-Chan @ 4 ohm
• 3-Way System Protection
• 4 Gauge Power and Ground Inputs
• Stylish Magnetic Panel Covers Tuning Options for Clean Install

1

• 50W x 4-Chan + 200W x 1-Chan @ 4 ohm
• 100W x 4-Chan + 400W x 1-Chan @ 2 ohm
• Bridged: 200W x 2 Chan + 200W x 1-Chan @ 4 ohm
• 3-Way System Protection
• 4 Gauge Power and Ground Inputs
• Stylish Magnetic Panel Covers Tuning Options for Clean Install

Kicker 43DXA2501 250 Watt RMS Mono Class D Car Amplifier Amp DXA250.1+Headphones

500W Max (250W RMS) DX-Series Monoblock Subwoofer Amplifier Package

43DXA2501 SHP32 big DISCONTINUED
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Kicker 43DXA2501 250 Watt RMS Mono Class D Car Amplifier Amp DXA250.1+Headphones

500W Max (250W RMS) DX-Series Monoblock Subwoofer Amplifier Package

• RMS Power: 125W x 1 @ 4 ohm, 250W x 1 @ 2 ohm
• Signal to Noise Ratio: >95dB
• CEA-2006 Compliant
• >Dimensions: 8-1/8" W x 7-3/16" D x 2-3/8" H

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• RMS Power: 125W x 1 @ 4 ohm, 250W x 1 @ 2 ohm
• Signal to Noise Ratio: >95dB
• CEA-2006 Compliant
• >Dimensions: 8-1/8" W x 7-3/16" D x 2-3/8" H

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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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