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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.
XDM Series (25)
SALT Series (24)
V Series (24)
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Brutus Series (21)
JD Series (18)
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SAEv4 Series (10)
V Power Series (10)
Venezia Series (10)
Slash v3 Series (9)
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GM Digital Series (8)
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Marine V Series (8)
Power Pack Series (8)
PowerZone Series (8)
Kappa Series (7)
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GS Series (6)
GTO Series (6)
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DPower Series (5)
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iON Series (3)
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Alpha Series (2)
APMI Series (2)
BD Series (2)
DS Series (2)
HMS Series (2)
KXM Series (2)
MOJO Pro Series (2)
MVi Series (2)
Nano Edge Series (2)
Opti Drive Series (2)
Performance Series (2)
Prime R2 Series (2)
Reaper Series (2)
Status Series (2)
Street Edge Series (2)
Stroker Pro Series (2)
Tarantula Series (2)
The Epicenter Series (2)
WCC Series (2)
Apocalypse Sport Series (1)
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WET Series (1)
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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Planet Audio AC3000.1D (OPEN BOX COMPLETE)

3000W Max Anarchy Series Class D Monoblock Power Amplifier

AC3000.1D big DISCONTINUED
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Planet Audio AC3000.1D (OPEN BOX COMPLETE)

3000W Max Anarchy Series Class D Monoblock Power Amplifier

• RMS: 1000W x 1 @ 4 ohm, 1500W x 1 @ 2 ohm, 2100W x 1 @ 1 ohm
• Total Peak Power: 3000W
• Illuminated Logo
• Bass Boost 0-18 dB
• Chrome-Plated Connections
• Dimensions: 13"L x 10"W x 2-3/16"H

• RMS: 1000W x 1 @ 4 ohm, 1500W x 1 @ 2 ohm, 2100W x 1 @ 1 ohm
• Total Peak Power: 3000W
• Illuminated Logo
• Bass Boost 0-18 dB
• Chrome-Plated Connections
• Dimensions: 13"L x 10"W x 2-3/16"H

Image Dynamics SQ600.1D (Open Box Complete)

600W RMS SQ Series Class-D Monoblock 1-Ohm Stable Amplifier with Bass Knob Included

SQ600.1D-2 big DISCONTINUED
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Image Dynamics SQ600.1D (Open Box Complete)

600W RMS SQ Series Class-D Monoblock 1-Ohm Stable Amplifier with Bass Knob Included

• 250 Watts RMS x 1 @ 4 ohm
• 400 Watts RMS x 1 @ 2 ohm
• 600 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 1200 Watts
• Variable Bass Boost: 0 to +12 dB bass boost at 45 Hz
• Heavy duty aluminum alloy heat-sink for extreme heat dissipation
• Dimensions: 8-1/2"W x 17-3/4"L x 2-1/4"H

• 250 Watts RMS x 1 @ 4 ohm
• 400 Watts RMS x 1 @ 2 ohm
• 600 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 1200 Watts
• Variable Bass Boost: 0 to +12 dB bass boost at 45 Hz
• Heavy duty aluminum alloy heat-sink for extreme heat dissipation
• Dimensions: 8-1/2"W x 17-3/4"L x 2-1/4"H

NVX - Worth the Envy - Direct to Consumer Car Audio

Planet Audio PX4000D (Factory Refurbished)

4000W Max Axis Series Class D Monoblock Car Amplifier

PX4000D big DISCONTINUED
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Planet Audio PX4000D (Factory Refurbished)

4000W Max Axis Series Class D Monoblock Car Amplifier

• RMS: 1100W x 1 @ 4 ohm, 1800W x 1 @ 2 ohm, 2400W x 1 @ 1 ohm
• Total Peak Power: 4000W
• Wired Bass Knob Included
• Switchable Bass Boost: 0 or +18 dB at 50 Hz
• Class D Circuitry
• Dimensions: 10-11/16"W x 14-3/4"D x 2-3/8"H

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• RMS: 1100W x 1 @ 4 ohm, 1800W x 1 @ 2 ohm, 2400W x 1 @ 1 ohm
• Total Peak Power: 4000W
• Wired Bass Knob Included
• Switchable Bass Boost: 0 or +18 dB at 50 Hz
• Class D Circuitry
• Dimensions: 10-11/16"W x 14-3/4"D x 2-3/8"H

EXCLUSIVE

Hifonics TXi 1508D R/B + Amplifier Kit

1500W RMS Class D Monoblock Titan TXi Series Amplifier with Included 0 AWG Amplifier Kit (TXi1508D)

No picture DISCONTINUED
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Hifonics TXi 1508D R/B + Amplifier Kit

1500W RMS Class D Monoblock Titan TXi Series Amplifier with Included 0 AWG Amplifier Kit (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 • Included 0 AWG Amplifier Kit

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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 • Included 0 AWG Amplifier Kit

Crunch P1-5050.5 (Factory Refurbished)

1000W Max 5-Channel Power One Series Class AB Car Amplifier

P1-5050.5 big DISCONTINUED
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Crunch P1-5050.5 (Factory Refurbished)

1000W Max 5-Channel Power One Series Class AB Car Amplifier

• 4 ohm: 125 watts x 4 chan. + 300 watts x 1 chan. (Sub)
• 2 ohm: 200 watts x 4 chan. + 500 watts x 1 chan. (Sub)
• Variable Bass Boost: 0 - 12 dB
• SEPP Class A/B Analog
• Wired Bass Remote Included

• 4 ohm: 125 watts x 4 chan. + 300 watts x 1 chan. (Sub)
• 2 ohm: 200 watts x 4 chan. + 500 watts x 1 chan. (Sub)
• Variable Bass Boost: 0 - 12 dB
• SEPP Class A/B Analog
• Wired Bass Remote Included

NVX MVPA4 (Like New)

Micro-V Series 800 Watt (400W RMS) 4-Channel Bridgeable Micro Class D Compact Car Amplifier (MVPA.4)

No picture DISCONTINUED
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NVX MVPA4 (Like New)

Micro-V Series 800 Watt (400W RMS) 4-Channel Bridgeable Micro Class D Compact Car Amplifier (MVPA.4)

• The size of a postcard with 400 Watts True RMS Output!
• • MVP Series 4-Channel Micro Class D Amplifier
• 50W x 4-Chan. @ 4 ohm
• 100W x 4-Chan. @ 2 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 8 Gauge Power and Ground Inputs
• Extremely Small Footprint!

• The size of a postcard with 400 Watts True RMS Output!
• • MVP Series 4-Channel Micro Class D Amplifier
• 50W x 4-Chan. @ 4 ohm
• 100W x 4-Chan. @ 2 ohm
• 3-Way System Protection
• 4/3/2/1 Channel Operation
• 8 Gauge Power and Ground Inputs
• Extremely Small Footprint!

MTX Audio RFL600D R/B

1200W Max, RFL Series Class D Monoblock Amplifier

RFL600D big DISCONTINUED
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MTX Audio RFL600D R/B

1200W Max, RFL Series Class D Monoblock Amplifier

Single-Channel Monoblock Car Amplifier • RFL Series • Adaptive Class D Technology • 1200 Watts Max • 600 Watts @ 2 ohm • 350 Watts @ 4 ohm • Active Fan Cooling • Bass Boost • EBC • CEA-2006 compliant

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Single-Channel Monoblock Car Amplifier • RFL Series • Adaptive Class D Technology • 1200 Watts Max • 600 Watts @ 2 ohm • 350 Watts @ 4 ohm • Active Fan Cooling • Bass Boost • EBC • CEA-2006 compliant

Image Dynamics SQ1400.5 Damaged Packaging Only (New)

1,400W Peak (600W RMS) SQ Series Class-D 5-Channel 2-Ohm Stable Amplifier

SQ1400.5 big DISCONTINUED
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Image Dynamics SQ1400.5 Damaged Packaging Only (New)

1,400W Peak (600W RMS) SQ Series Class-D 5-Channel 2-Ohm Stable Amplifier

•4 ohm: 100 watts x 4 chan. + 300 watts x 1 chan.
•2 ohm: 200 watts x 4 chan. + 600 watts x 1 chan.
• Bridged, 4 ohm: 400 watts x 2 chan. + 600 watts x 1 chan.
• Total Peak Power: 1400 Watts
• Optically-Isolated MOSFET Power Supply
• 7.25" W x 13.3" L x 2" H

•4 ohm: 100 watts x 4 chan. + 300 watts x 1 chan.
•2 ohm: 200 watts x 4 chan. + 600 watts x 1 chan.
• Bridged, 4 ohm: 400 watts x 2 chan. + 600 watts x 1 chan.
• Total Peak Power: 1400 Watts
• Optically-Isolated MOSFET Power Supply
• 7.25" W x 13.3" L x 2" H

Infinity K600 Kappa Series Amplifier (Open Box)

1500W Peak (600W RMS) High Performance Kappa Series Class-D Monoblock 2-Ohm Stable Car Subwoofer Amplifier

K600 big DISCONTINUED
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Infinity K600 Kappa Series Amplifier (Open Box)

1500W Peak (600W RMS) High Performance Kappa Series Class-D Monoblock 2-Ohm Stable Car Subwoofer Amplifier

• Item Condition: Like New Open Box
• 380 Watts RMS x 1 @ 4 ohm
• 600 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 1500 Watts
• Variable low-pass filter: 32 - 320 Hz
• Sleek, brushed steel industrial design
• Upgradable Firmware via the microUSB port
• Speaker-level (high-level) inputs

• Item Condition: Like New Open Box
• 380 Watts RMS x 1 @ 4 ohm
• 600 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 1500 Watts
• Variable low-pass filter: 32 - 320 Hz
• Sleek, brushed steel industrial design
• Upgradable Firmware via the microUSB port
• Speaker-level (high-level) inputs

Hifonics Colossus (Colossus 6.5K) - Refurbished

Hifonics 35th Anniversary 6500 Watt Max (3200 watt RMS) CTA-2006B Rated 2-Channel (Dual Monoblock) Ultra Class-D Subwoofer Car Amplifier

Colossus 6.5K-3 big DISCONTINUED
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Hifonics Colossus (Colossus 6.5K) - Refurbished

Hifonics 35th Anniversary 6500 Watt Max (3200 watt RMS) CTA-2006B Rated 2-Channel (Dual Monoblock) Ultra Class-D Subwoofer Car Amplifier

• 625 Watts RMS x 2 @ 4 ohm
• 1125 Watts RMS x 2 @ 2 ohm
• 1625 Watts RMS x 2 @ 1 ohm
• Total Peak Power: 6500 Watts
• CTA-2006B Compliant
• Hifonics Colossus Old School Design
• Wired remote bass level control included
• Dimensions: 9"W x 23-3/4"L x 2-12/16"H

• 625 Watts RMS x 2 @ 4 ohm
• 1125 Watts RMS x 2 @ 2 ohm
• 1625 Watts RMS x 2 @ 1 ohm
• Total Peak Power: 6500 Watts
• CTA-2006B Compliant
• Hifonics Colossus Old School Design
• Wired remote bass level control included
• Dimensions: 9"W x 23-3/4"L x 2-12/16"H

SKAR Audio SK-3500.1D Open Box Complete

3500W RMS Class D Monoblock SK Series Car Amplifier

SK-3500.1D big DISCONTINUED
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SKAR Audio SK-3500.1D Open Box Complete

3500W RMS Class D Monoblock SK Series Car Amplifier

• Item Condition: Open Box Complete
• RMS: 1178W x 1 @ 4 ohm, 2066W x 1 @ 2 ohm, 3519W x 1 @ 1 ohm
• Total RMS Power: 3519W
• Class D Circuitry
• Variable Bass Boost: 0 to +9 dB at 45 Hz
• Strappable
• Dimensions: 9-1/2"W x 21-1/4"D x 2-9/16"H

• Item Condition: Open Box Complete
• RMS: 1178W x 1 @ 4 ohm, 2066W x 1 @ 2 ohm, 3519W x 1 @ 1 ohm
• Total RMS Power: 3519W
• Class D Circuitry
• Variable Bass Boost: 0 to +9 dB at 45 Hz
• Strappable
• Dimensions: 9-1/2"W x 21-1/4"D x 2-9/16"H

Audiobahn A8005DN R/B

800W Max, Intake Series Class D MonoBlock Amplifier (Factory Refurbished)

A8005DN big DISCONTINUED
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Audiobahn A8005DN R/B

800W Max, Intake Series Class D MonoBlock Amplifier (Factory Refurbished)

800W Max, Class D Intake Series Monoblock Amplifier • 400W RMS x 1 @ 2 • 200W RMS x 1 @ 4 • High and Low Level Inputs • 0-18dB Bass Boost • Variable Low-Pass and Subsonic Filters

800W Max, Class D Intake Series Monoblock Amplifier • 400W RMS x 1 @ 2 • 200W RMS x 1 @ 4 • High and Low Level Inputs • 0-18dB Bass Boost • Variable Low-Pass and Subsonic Filters

Pioneer GM-D8500M Open Box

Open Box/Brand New, 1200W Max, GM Digital Series Class D Monoblock Amplifier

GM-D8500M big DISCONTINUED
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Pioneer GM-D8500M Open Box

Open Box/Brand New, 1200W Max, GM Digital Series Class D Monoblock Amplifier

GM Series Monoblock Car Amplifier • Class D • 300W x 1 Chan. @ 4 Ohm • 600W x 1 Chan. @ 2 Ohm • 1200W Max • 0-12 dB Bass Boost • Chrome-Plated Terminals • Speaker-Level Inputs • Balanced Isolator Input Circuit

GM Series Monoblock Car Amplifier • Class D • 300W x 1 Chan. @ 4 Ohm • 600W x 1 Chan. @ 2 Ohm • 1200W Max • 0-12 dB Bass Boost • Chrome-Plated Terminals • Speaker-Level Inputs • Balanced Isolator Input Circuit

Crunch P1-1050.1 (Factory Refurbished)

1000W Max Monoblock Power One Series Class AB Car Amplifier

P1-1050.1 big DISCONTINUED
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Crunch P1-1050.1 (Factory Refurbished)

1000W Max Monoblock Power One Series Class AB Car Amplifier

• Peak: 500W x 1 @ 4 ohm, 1000W x 1 @ 2 ohm
• 1 Pair of Preamp RCA Outputs
• Variable Bass Boost: 0 to +12 dB
• SEPP Class A/B Analog Amp
• Dimensions: 15-15/16"L x 9-1/8"W x 2-1/16"H

• Peak: 500W x 1 @ 4 ohm, 1000W x 1 @ 2 ohm
• 1 Pair of Preamp RCA Outputs
• Variable Bass Boost: 0 to +12 dB
• SEPP Class A/B Analog Amp
• Dimensions: 15-15/16"L x 9-1/8"W x 2-1/16"H

Planet Audio AP3000D (Factory Refurbished)

Refurbished 3000W Max Apocalypse Series Class D Monoblock Amplifier with Remote Level Control

AP3000D big DISCONTINUED
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Planet Audio AP3000D (Factory Refurbished)

Refurbished 3000W Max Apocalypse Series Class D Monoblock Amplifier with Remote Level Control

• Item Condition: Factory Refurbished
• Apocalypse Series Class D Monoblock Car Amplifier • 3000W Max. • Switchable Phase Shift • Remote Subwoofer Control • Heavy-Duty Screw Terminals • Chrome-Plated Connections • Strapping Capabilities

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• Item Condition: Factory Refurbished
• Apocalypse Series Class D Monoblock Car Amplifier • 3000W Max. • Switchable Phase Shift • Remote Subwoofer Control • Heavy-Duty Screw Terminals • Chrome-Plated Connections • Strapping Capabilities

Autotek MM5.1 R/B

625W RMS Mean Machine Series 5.1 Surround Sound Amplifier

MM5.1-RB big DISCONTINUED
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Autotek MM5.1 R/B

625W RMS Mean Machine Series 5.1 Surround Sound Amplifier

Mean Machine Series 5-Channel Car Amplifier • MOSFET Power Supply • LED Power Indicators • TCID (Twin Coil Isolation Design) • Heavy Duty Aluminum Alloy Heatsink • Chrome-Plated RCA Level Inputs

Mean Machine Series 5-Channel Car Amplifier • MOSFET Power Supply • LED Power Indicators • TCID (Twin Coil Isolation Design) • Heavy Duty Aluminum Alloy Heatsink • Chrome-Plated RCA Level Inputs

JBL GTO-751EZ (OPEN BOX COMPLETE)

Monoblock GTO Series Class D Car Amplifier

GTO-751EZ big DISCONTINUED
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JBL GTO-751EZ (OPEN BOX COMPLETE)

Monoblock GTO Series Class D Car Amplifier

• RMS: 500W x 1 @ 4 ohm, 750W x 1 @ 2 ohm
• Total RMS Power: 750W
• CEA-2006 Compliant
• Variable Bass Boost: 0 to +12 dB
• Class D Circuitry
• Dimensions: 9-11/16"W x 12"L x 2-5/8"H

• RMS: 500W x 1 @ 4 ohm, 750W x 1 @ 2 ohm
• Total RMS Power: 750W
• CEA-2006 Compliant
• Variable Bass Boost: 0 to +12 dB
• Class D Circuitry
• Dimensions: 9-11/16"W x 12"L x 2-5/8"H

RE Audio XTX-1500.1 (XTX1500.1) R/B

XTX Series Mini Monoblock Full Digital Class D Car Amplifier

XTX-1500.1 big DISCONTINUED
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RE Audio XTX-1500.1 (XTX1500.1) R/B

XTX Series Mini Monoblock Full Digital Class D Car Amplifier

XTX Series Monoblock Full Digital Car Amplifier • 2000W Dynamic • 2-Way System Protection • Brushed Aluminum Alloy Convection Cooled Heatsink • Variable Low-Pass Filter • Fixed Bass Boost

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XTX Series Monoblock Full Digital Car Amplifier • 2000W Dynamic • 2-Way System Protection • Brushed Aluminum Alloy Convection Cooled Heatsink • Variable Low-Pass Filter • Fixed Bass Boost

Alpine MRV-M250 (Open Box)

250W Mono Block V-Power Class D Subwoofer Car Amplifier

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Alpine MRV-M250 (Open Box)

250W Mono Block V-Power Class D Subwoofer Car Amplifier

• Item Condition: Open Box, Like New
• RMS Power: 150W x 1 @ 4 ohm, 250W x 1 @ 2 ohm
• Total Peak Power: 250W
• CEA-2006 Compliant
• Dimensions: 7-1/2" W x 7-7/8" L x 2-3/16"H

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• Item Condition: Open Box, Like New
• RMS Power: 150W x 1 @ 4 ohm, 250W x 1 @ 2 ohm
• Total Peak Power: 250W
• CEA-2006 Compliant
• Dimensions: 7-1/2" W x 7-7/8" L x 2-3/16"H

Polk Audio PA D5000.5 (PAD5000.5) Open Box Missing (Acceptable, Used)

900W RMS PA D Series Class-D 5-Channel Car Amplifier Open Box Missing (Acceptable, Used)

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Polk Audio PA D5000.5 (PAD5000.5) Open Box Missing (Acceptable, Used)

900W RMS PA D Series Class-D 5-Channel Car Amplifier Open Box Missing (Acceptable, Used)

• 70W x 4-Chan. + 200W x 1 Chan. @ 4 ohm
• 100W x 4-Chan. + 400W x 1 Chan. @ 2 ohm
• 500W x 1 Chan. @ 1 ohm
• CEA-2006 Compliant Amplifier
• Wired remote bass level control included
• Selectable crossover modes: FULL / HPF / LPF
• High-Pass Filter
• Adjustable High-Pass & Low-Pass Frequencies

• 70W x 4-Chan. + 200W x 1 Chan. @ 4 ohm
• 100W x 4-Chan. + 400W x 1 Chan. @ 2 ohm
• 500W x 1 Chan. @ 1 ohm
• CEA-2006 Compliant Amplifier
• Wired remote bass level control included
• Selectable crossover modes: FULL / HPF / LPF
• High-Pass Filter
• Adjustable High-Pass & Low-Pass Frequencies

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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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