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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 (70)
Zeus Series (56)
X Series (39)
V Series (30)
Prime Series (28)
CX Series (27)
N Series (26)
XDM Series (26)
SALT Series (24)
SFB Series (22)
HD Series (21)
RD Series (21)
JAD Series (20)
Kappa Series (19)
KX Series (19)
Phantom Series (18)
Reference Series (17)
JD Series (16)
MD Series (16)
S Series (16)
XD-v2 Series (16)
ONYX Series (15)
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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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Massive Audio D 2400

2400W MAx (1200W RMS) Monoblock D Block Series Car Amplifier

D 2400 big DISCONTINUED
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Massive Audio D 2400

2400W MAx (1200W RMS) Monoblock D Block Series Car Amplifier

• RMS: 350W x 1 @ 4 ohm, 650W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
• Total Peak Power: 2400W
• CEA-2006 Compliant
• Bass Boost: 0-12 dB
• Linkable with RCA
• Dimensions: 11-3/4"L x 6-1/2"W x 2-1/8"H

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• RMS: 350W x 1 @ 4 ohm, 650W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
• Total Peak Power: 2400W
• CEA-2006 Compliant
• Bass Boost: 0-12 dB
• Linkable with RCA
• Dimensions: 11-3/4"L x 6-1/2"W x 2-1/8"H

Power Acoustik OVN1-2000D

2000W Max, Class D Monoblock Gothic Series Amplifier

OVN1-2000D big DISCONTINUED
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Power Acoustik OVN1-2000D

2000W Max, Class D Monoblock Gothic Series Amplifier

Gothic Series Class D Monoblock Car Amplifier • 600W x 1 Chan. @ 4 Ohm • 900W x 1 Chan. @ 2 Ohm • 1200W x 1 Chan. @ 1 Ohm • Pulse Width Modulation Circuitry • MOSFET Power Supply • Bridged Synchronization •

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Gothic Series Class D Monoblock Car Amplifier • 600W x 1 Chan. @ 4 Ohm • 900W x 1 Chan. @ 2 Ohm • 1200W x 1 Chan. @ 1 Ohm • Pulse Width Modulation Circuitry • MOSFET Power Supply • Bridged Synchronization •

Alpine PDX-M6

600W RMS PDX Series Monoblock Class-D Digital Car Amplifier

PDX-M6 big DISCONTINUED
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Alpine PDX-M6

600W RMS PDX Series Monoblock Class-D Digital Car Amplifier

• RMS: 600W x 1 @ 4 ohm, 600W x 1 @ 2 ohm
• Total RMS Power: 600W
• CEA-2006 Compliant
• 6-Layer Glass Epoxy PC Board and Compact Size
• Thermal Protection Circuitry
• Dimensions: 7-9/16"D x 10-1/8"W x 2"H

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• RMS: 600W x 1 @ 4 ohm, 600W x 1 @ 2 ohm
• Total RMS Power: 600W
• CEA-2006 Compliant
• 6-Layer Glass Epoxy PC Board and Compact Size
• Thermal Protection Circuitry
• Dimensions: 7-9/16"D x 10-1/8"W x 2"H

PowerBass Xtreme XAX-500D

500W RMS XAX Series Class D Monoblock Mini Amplifier

XAX-500D big DISCONTINUED
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PowerBass Xtreme XAX-500D

500W RMS XAX Series Class D Monoblock Mini Amplifier

XAX Series Monoblock Class D Mini Car Amplifier • 1000W MAX • High Efficiency SMD Circuit Technology • Damping Control Circuit • Blue LED Logo, Power And Speaker Terminal Lighting • Platinum-Plated Tiffany RCA Inputs

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XAX Series Monoblock Class D Mini Car Amplifier • 1000W MAX • High Efficiency SMD Circuit Technology • Damping Control Circuit • Blue LED Logo, Power And Speaker Terminal Lighting • Platinum-Plated Tiffany RCA Inputs

Boss OL3KD

3000W Max, Class D Monoblock Outlaw Series Amplifier

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Boss OL3KD

3000W Max, Class D Monoblock Outlaw Series Amplifier

Boss Outlaw Monoblock Class D Car Amplifier • 1100W x 1 Chan. @ 4 ohm • 2200W x 1 Chan. @ 2 ohm • 3000W x 1 Chan. @ 1 ohm • Wired Remote Bass • Preamp RCA Outputs • Tuned Bass EQ • LED Indicators • Subsonic Filter

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Boss Outlaw Monoblock Class D Car Amplifier • 1100W x 1 Chan. @ 4 ohm • 2200W x 1 Chan. @ 2 ohm • 3000W x 1 Chan. @ 1 ohm • Wired Remote Bass • Preamp RCA Outputs • Tuned Bass EQ • LED Indicators • Subsonic Filter

Soundstream TX1.1300D

1300W RMS, Tarantula Series Class D Monoblock Amplifier

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Soundstream TX1.1300D

1300W RMS, Tarantula Series Class D Monoblock Amplifier

Tarantula Series Monoblock Class D Car Amplifier • 900W x 1 Chan. @ 2 Ohm • 520W x 1 Chan. @ 4 Ohm • Double Side PCB And SMD Components • Remote Bass Level Input • Active X-Over • 3-Way System Protection Circuitry

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Tarantula Series Monoblock Class D Car Amplifier • 900W x 1 Chan. @ 2 Ohm • 520W x 1 Chan. @ 4 Ohm • Double Side PCB And SMD Components • Remote Bass Level Input • Active X-Over • 3-Way System Protection Circuitry

EXCLUSIVE

Kenwood KAC-8105D + Amplifier Kit

1000W Max, Class D Monoblock Performance Series Power Amplifier w/ 4 Gauge Amp Kit

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Kenwood KAC-8105D + Amplifier Kit

1000W Max, Class D Monoblock Performance Series Power Amplifier w/ 4 Gauge Amp Kit

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

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

Soundstream TRX2000D (TRX-2000D)

2000W RMS, Class D Monoblock Tarantula Series Amplifier

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Soundstream TRX2000D (TRX-2000D)

2000W RMS, Class D Monoblock Tarantula Series Amplifier

Tarantula Series Monoblock Class D Car Amplifier • 1100W x 1 chan. @ 4 ohm • 2000W Max • Twin Stack Technology • Three-way protection circuitry • Pre-amp outputs • Variable low-pass filter

Tarantula Series Monoblock Class D Car Amplifier • 1100W x 1 chan. @ 4 ohm • 2000W Max • Twin Stack Technology • Three-way protection circuitry • Pre-amp outputs • Variable low-pass filter

Soundstream PA1.3500D

3500W Peak (1750W RMS) Picasso Series Class-D Monoblock 1-Ohm Stable Amplifier with Remote Bass Controller

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Soundstream PA1.3500D

3500W Peak (1750W RMS) Picasso Series Class-D Monoblock 1-Ohm Stable Amplifier with Remote Bass Controller

• 750 Watts RMS x 1 @ 4 ohm
• 1100 Watts RMS x 1 @ 2 ohm
• 1750 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 3500 Watts
• Variable Bass Boost: 0 to +12 dB
• Heavy duty aluminum alloy heat-sink for extreme heat dissipation
• 7.75"W x 16"L x 2.25"H<

1

• 750 Watts RMS x 1 @ 4 ohm
• 1100 Watts RMS x 1 @ 2 ohm
• 1750 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 3500 Watts
• Variable Bass Boost: 0 to +12 dB
• Heavy duty aluminum alloy heat-sink for extreme heat dissipation
• 7.75"W x 16"L x 2.25"H<

Soundstream TX1.2600D

2600W RMS, Tarantula Series Class D Monoblock Amplifier

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Soundstream TX1.2600D

2600W RMS, Tarantula Series Class D Monoblock Amplifier

Tarantula Series Monoblock Class D Car Amplifier • 1200W x 1 Chan. @ 2 Ohm • 600W x 1 Chan. @ 4 Ohm • Double Side PCB And SMD Components • Remote Bass Level Input • Active X-Over • 3-Way System Protection Circuitry

1

Tarantula Series Monoblock Class D Car Amplifier • 1200W x 1 Chan. @ 2 Ohm • 600W x 1 Chan. @ 4 Ohm • Double Side PCB And SMD Components • Remote Bass Level Input • Active X-Over • 3-Way System Protection Circuitry

Soundstream SMA1-700D

700W Max, Michel-Angelo Series Class D Monoblock Amplifier

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Soundstream SMA1-700D

700W Max, Michel-Angelo Series Class D Monoblock Amplifier

Soundstream Michelangelo Series Amplifier • 475W x 1-Chan. @ 4 Ohm • 700W x 1-Chan. @ 2 Ohm • MOSFET Power Supply • Twin Stack Technology • Bass Remote Control Included • Tri-Guard Amp Protection

Soundstream Michelangelo Series Amplifier • 475W x 1-Chan. @ 4 Ohm • 700W x 1-Chan. @ 2 Ohm • MOSFET Power Supply • Twin Stack Technology • Bass Remote Control Included • Tri-Guard Amp Protection

Pioneer PRS-D1000M

Premier PRS ICE Monoblock Class D ICEpower Technology Amplifier

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Pioneer PRS-D1000M

Premier PRS ICE Monoblock Class D ICEpower Technology Amplifier

800 watt Max, Premier PRS ICE Monoblock Class D ICEpower Technology Amplifier • 400 watts x 1 chan. @ 4 ohm RMS • 600 watts x 1 chan. @ 2 ohm RMS • CEA-2006 Compliant • Energy Saving Design • High Pass and Low Pass Variable Crossover

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800 watt Max, Premier PRS ICE Monoblock Class D ICEpower Technology Amplifier • 400 watts x 1 chan. @ 4 ohm RMS • 600 watts x 1 chan. @ 2 ohm RMS • CEA-2006 Compliant • Energy Saving Design • High Pass and Low Pass Variable Crossover

Hifonics BXX2000.1D (BXX20001D)

2000W Max Brutus Series Super Class D 1-Ohm Stable Monoblock Amplifier w/ Bass Knob Included

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Hifonics BXX2000.1D (BXX20001D)

2000W Max Brutus Series Super Class D 1-Ohm Stable Monoblock Amplifier w/ Bass Knob Included

• 500W Max x 1 @ 4 ohm
• 1000W Max x 1 @ 2 ohm
• 2000W Max x 1 @ 1 ohm
• Total Peak Power: 2400 Watts
• Low Pass and Subsonic Filters
• 0-10 Bass Boost
• Aluminum Heatsink
• 9" W x 18" L x 2.5" H

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• 500W Max x 1 @ 4 ohm
• 1000W Max x 1 @ 2 ohm
• 2000W Max x 1 @ 1 ohm
• Total Peak Power: 2400 Watts
• Low Pass and Subsonic Filters
• 0-10 Bass Boost
• Aluminum Heatsink
• 9" W x 18" L x 2.5" H

Precision Power PPI D1000/1

1000W Max, Class D Monoblock Car Amplifier

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Precision Power PPI D1000/1

1000W Max, Class D Monoblock Car Amplifier

1000W Class D MonoBlock Amplifier • 275W x 1 chan. @ 2 Ohm • 500W x 1 chan. @ 1 Ohm • PWM design • Q BASS • externally bridgeable • 1 Ohm stable

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1000W Class D MonoBlock Amplifier • 275W x 1 chan. @ 2 Ohm • 500W x 1 chan. @ 1 Ohm • PWM design • Q BASS • externally bridgeable • 1 Ohm stable

Precision Power PPI D500/1

500W Max, Class D Monoblock Amplifier

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Precision Power PPI D500/1

500W Max, Class D Monoblock Amplifier

500W Class D Monoblock Subwoofer Amplifier • 125W x 1 chan. @ 4 Ohm • 200W x 1 chan. @ 2 Ohm • AP-IV protection circuitry • PWM power supply • QBASS • high voltage input capability • CEA-2006 compliant

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500W Class D Monoblock Subwoofer Amplifier • 125W x 1 chan. @ 4 Ohm • 200W x 1 chan. @ 2 Ohm • AP-IV protection circuitry • PWM power supply • QBASS • high voltage input capability • CEA-2006 compliant

Precision Power PPI P600.2

600W RMS, Phantom Series Class D Full Range 2-Channel Amplifier

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Precision Power PPI P600.2

600W RMS, Phantom Series Class D Full Range 2-Channel Amplifier

• 4 ohm: 190 watts x 2 chan.
• 2 ohm: 300 watts x 2 chan.
• 600W RMS x 1 Channel @ 4 ohm Bridged
• Tri-Mode Capable
• 3-Way System Protection
• Variable Low-Pass Crossover
• Variable High-Pass Crossover

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• 4 ohm: 190 watts x 2 chan.
• 2 ohm: 300 watts x 2 chan.
• 600W RMS x 1 Channel @ 4 ohm Bridged
• Tri-Mode Capable
• 3-Way System Protection
• Variable Low-Pass Crossover
• Variable High-Pass Crossover

Memphis 16-MCD1500

1500W RMS, Class D Monoblock MClass Series Amplifier

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Memphis 16-MCD1500

1500W RMS, Class D Monoblock MClass Series Amplifier

Class-D Monoblock Amplifier • 750W RMS x 1 @ 4 • 1500W RMS x 1 @ 2 • Adjustable Input Sensitivity • Compact Aluminum Chassis with Black Pearl Finish • Built-in Low-Pass and Subsonic Filters • Full MOSFET Design

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Class-D Monoblock Amplifier • 750W RMS x 1 @ 4 • 1500W RMS x 1 @ 2 • Adjustable Input Sensitivity • Compact Aluminum Chassis with Black Pearl Finish • Built-in Low-Pass and Subsonic Filters • Full MOSFET Design

Lanzar OPTI2601D

2600W RMS, Monoblock Class D OptiDrive Series Car Amplifier

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Lanzar OPTI2601D

2600W RMS, Monoblock Class D OptiDrive Series Car Amplifier

• RMS: 610W x 1 @ 4 ohm, 1070W x 1 @ 2 ohm, 1670W x 1 @ 1 ohm
• Total RMS Power: 2600W
• Class D Circuitry
• Bass Boost: 0-18 dB
• 0.5 Ohm Stable
• Dimensions: 17-7/10"L x 10-11/16"W x 2-1/8"H

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• RMS: 610W x 1 @ 4 ohm, 1070W x 1 @ 2 ohm, 1670W x 1 @ 1 ohm
• Total RMS Power: 2600W
• Class D Circuitry
• Bass Boost: 0-18 dB
• 0.5 Ohm Stable
• Dimensions: 17-7/10"L x 10-11/16"W x 2-1/8"H

JBL GTO24001

2400W RMS Monoblock Class D GT Series Amplifier

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JBL GTO24001

2400W RMS Monoblock Class D GT Series Amplifier

GTO Series Single-Channel Subwoofer Car Amplifier • 1750W x 1 Chan. @ 4 ohm • 2400 watts x 1 Chan. @ 2 ohm • Tuned Bass EQ • Preamp RCA Outputs • Wired Bass Remote • Heavy Duty Heatsink

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GTO Series Single-Channel Subwoofer Car Amplifier • 1750W x 1 Chan. @ 4 ohm • 2400 watts x 1 Chan. @ 2 ohm • Tuned Bass EQ • Preamp RCA Outputs • Wired Bass Remote • Heavy Duty Heatsink

Cerwin-Vega H41000.1D

1100W HED Series Monoblock Class D Amplifier

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Cerwin-Vega H41000.1D

1100W HED Series Monoblock Class D Amplifier

• RMS Power: 500W x 1 @ 1 ohm
• Total Peak Power: 1100W
• Variable Low-Pass Filter
• Pulse Width Modulated MOSFET Power Supply
• Heavy-Grade Aluminum Alloy Extruded Heatsink

1

• RMS Power: 500W x 1 @ 1 ohm
• Total Peak Power: 1100W
• Variable Low-Pass Filter
• Pulse Width Modulated MOSFET Power Supply
• Heavy-Grade Aluminum Alloy Extruded Heatsink

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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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