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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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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 (60)
Zeus Series (53)
X Series (38)
Prime Series (28)
V Series (28)
CX Series (27)
XDM Series (26)
N Series (24)
SALT Series (24)
RD Series (22)
SFB Series (22)
HD Series (21)
JAD Series (19)
Kappa Series (19)
KX Series (17)
JD Series (16)
MD Series (16)
S Series (16)
XD-v2 Series (16)
ONYX Series (14)
Phantom Series (14)
Picasso-Nano Series (14)
Reference Series (14)
V Power Series (14)
VXi Series (14)
Brutus X 14 Series (13)
Marine V Series (13)
Razor Series (13)
GM Digital Series (12)
Machete Series (12)
N-Series (12)
Slash v3 Series (12)
Apocalypse Series (11)
BAMF Series (11)
HCP Series (11)
Mt. Olympus Series (11)
Tarantula Series (11)
Bass Series (10)
Black Ice Series (10)
iON Series (10)
JX Series (10)
SAEv4 Series (10)
Venezia Series (10)
PDX Series (9)
PowerZone Series (9)
SixFive Series (9)
BB Series (8)
GFX Series (8)
GS Series (8)
GTO Series (8)
HED Series (8)
MOJO Pro Series (8)
Power Pack Series (8)
Power Reference (8)
Stealth Series (8)
Alpha Series (7)
Consumer Line Series (7)
DS Series (7)
DX Series (7)
Mean Machine Series (7)
Mille Power Series (7)
MSA Series (7)
Nano Edge Series (7)
PowerZone 2 Series (7)
R-Series (7)
Reaper Series (7)
Stadium Series (7)
Torque Series (7)
XD Series (7)
Anarchy Series (6)
Big Bang Series (6)
Club Series (6)
COLOSSUS Series (6)
DPower Series (6)
Edge Series (6)
Evolution Series (6)
eXcelon Series (6)
GM Series (6)
MOFO Series (6)
Overdrive Series (6)
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Street Edge Series (6)
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VFL Series (6)
APMI Series (5)
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Nano BiT Series (5)
Performance Series (5)
Power One Series (5)
PRX Series (5)
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SK Series (5)
Stroker Pro Series (5)
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Trax Micro Series (5)
XQ Series (5)
Apocalypse Atom Pro Series (4)
Atom Series (4)
BD Series (4)
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D Series (4)
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MX Series (4)
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The Epicenter Series (4)
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ZRS Series (4)
Compact Mean Machine Series (3)
Competition Series (3)
Hercules LTD Series (3)
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JackHammer Series (3)
Low Profile Series (3)
LP Series (3)
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Opti Drive Series (3)
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Primo Series (3)
Reference MYKRO Series (3)
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Salt Water Series (3)
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T Series (3)
Tarantula Xtreme Power Series (3)
United Series (3)
WCC Series (3)
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Prime R2 Series (2)
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Rubicon Nano Series (2)
Smart Bass (2)
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Status Series (2)
TS Series (2)
X-Line Series (2)
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A3 Series (1)
APK Series (1)
Apocalypse Sport Series (1)
BLADE BP Series (1)
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COLOSSUS Mini Series (1)
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M Series (1)
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XFL Series (1)
ZR Series (1)
ZTX 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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Rockford Fosgate Power T20001bd

2000 watts, Class BD Monoblock Amplifier (T20001 bd)

T20001bd big DISCONTINUED
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Rockford Fosgate Power T20001bd

2000 watts, Class BD Monoblock Amplifier (T20001 bd)

2000W RMS Class BD Amplifier • 2000W RMS @ 1 Ohm • 1500W RMS @ 2 Ohm • Wired Bass Remote Included (35 - 70Hz, 0 - 18dB) • 1/0 AWG power and ground connections with internal ANL fusing • Preamp outputs • Low-Pass and Infrasonic filters • 0 - 180 Degree Phase Control

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2000W RMS Class BD Amplifier • 2000W RMS @ 1 Ohm • 1500W RMS @ 2 Ohm • Wired Bass Remote Included (35 - 70Hz, 0 - 18dB) • 1/0 AWG power and ground connections with internal ANL fusing • Preamp outputs • Low-Pass and Infrasonic filters • 0 - 180 Degree Phase Control

Cerwin-Vega XED3001

300 Watt 2-Ohm Monoblock Amplifier

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Cerwin-Vega XED3001

300 Watt 2-Ohm Monoblock Amplifier

• 200 Watts RMS x 1 @ 4 ohm
• 260 Watts RMS x 1 @ 2 ohm
• 350 Watts RMS x 1 @ 1 ohm
• Total RMS Power: 300 Watts
• CEA-2006 Compliant/Preamp Outputs/LPF
• FEATURE (Boost/etc)
• HEATSINK
• DIMENSIONS: 6.3"W x 4.7"L x 1.8"H

• 200 Watts RMS x 1 @ 4 ohm
• 260 Watts RMS x 1 @ 2 ohm
• 350 Watts RMS x 1 @ 1 ohm
• Total RMS Power: 300 Watts
• CEA-2006 Compliant/Preamp Outputs/LPF
• FEATURE (Boost/etc)
• HEATSINK
• DIMENSIONS: 6.3"W x 4.7"L x 1.8"H

Alpine MRD-M605 ** LIMITED TIME PRICE **

600 watts, V12 Series Class D Monoblock Amplifier

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Alpine MRD-M605 ** LIMITED TIME PRICE **

600 watts, V12 Series Class D Monoblock Amplifier

600 watts RMS x 1 at 2 ohm • Bass Engine® with low-pass filter, subsonic filter, parametric EQ, and Bass Compensator • preamp outputs

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600 watts RMS x 1 at 2 ohm • Bass Engine® with low-pass filter, subsonic filter, parametric EQ, and Bass Compensator • preamp outputs

Sony XM-SD61X

MonoBlock Class D Amplifier

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Sony XM-SD61X

MonoBlock Class D Amplifier

Specialty Series Class-D Monoblock Amplifier • 300W RMS x 1 @ 4 • 600W RMS x 1 @ 2 • Bass Remote Included • Blue LED Lighting • High and Low Level Inputs • RCA Passthrough • Protection Circuit

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Specialty Series Class-D Monoblock Amplifier • 300W RMS x 1 @ 4 • 600W RMS x 1 @ 2 • Bass Remote Included • Blue LED Lighting • High and Low Level Inputs • RCA Passthrough • Protection Circuit

Rockford Fosgate Prime R750-1D

750W RMS Prime Series Class-D Monoblock 1-Ohm Stable Amplifier

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Rockford Fosgate Prime R750-1D

750W RMS Prime Series Class-D Monoblock 1-Ohm Stable Amplifier

• RMS: 250W x 1 @ 4 ohm, 500W x 1 @ 2 ohm, 750W x 1 @ 1 ohm
• Total RMS Power: 750W
• CEA-2006 Compliant
• Punch Bass: 0 to +12 dB
• Class D Circuitry
• Dimensions: 6-11/16"L x 9-1/8"W x 2"H

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• RMS: 250W x 1 @ 4 ohm, 500W x 1 @ 2 ohm, 750W x 1 @ 1 ohm
• Total RMS Power: 750W
• CEA-2006 Compliant
• Punch Bass: 0 to +12 dB
• Class D Circuitry
• Dimensions: 6-11/16"L x 9-1/8"W x 2"H

NVX BDA7501 (Open Box, Very Good Condition Used)

True 750W RMS Monoblock Class D Amplifier Specifically made for BD Series

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NVX BDA7501 (Open Box, Very Good Condition Used)

True 750W RMS Monoblock Class D Amplifier Specifically made for BD Series

• Open Box Complete
• True RMS Power: 450W x 1 @ 4 ohm, 750W x 1 @ 2 ohm
• CEA-2006 Compliant
• Dimensions: 7" W x 9.75" L x 2" H

• Open Box Complete
• True RMS Power: 450W x 1 @ 4 ohm, 750W x 1 @ 2 ohm
• CEA-2006 Compliant
• Dimensions: 7" W x 9.75" L x 2" H

NVX JAD1200.1 Open Box Complete (Very Good, Used)

True 1200W RMS Class D Monoblock Amplifier with Bass Remote Included

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NVX JAD1200.1 Open Box Complete (Very Good, Used)

True 1200W RMS Class D Monoblock Amplifier with Bass Remote Included

• Item Condition: Open Box
• RMS: 500W x 1 @ 4 ohm, 800W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
• Total RMS Power: 1200W
• CEA-2006 Compliant
• Wired Bass Remote Included
• Ultra Efficient Class D Design
• Dimensions: 6-7/10"W x 12-8/10"L x 1-8/10"H

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• Item Condition: Open Box
• RMS: 500W x 1 @ 4 ohm, 800W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
• Total RMS Power: 1200W
• CEA-2006 Compliant
• Wired Bass Remote Included
• Ultra Efficient Class D Design
• Dimensions: 6-7/10"W x 12-8/10"L x 1-8/10"H

Earthquake Sound MiNi D2500

2500W Peak (2000W RMS) MiNi Series Class-D Monoblock 1-Ohm Stable Amplifier with Remote Level Control

MiNi D2500 V2 big DISCONTINUED
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Earthquake Sound MiNi D2500

2500W Peak (2000W RMS) MiNi Series Class-D Monoblock 1-Ohm Stable Amplifier with Remote Level Control

• 850 Watts RMS x 1 @ 4 ohm
• 1800 Watts RMS x 1 @ 2 ohm
• 2000 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 2500 Watts
• Built-In Low-Pass and Subsonic Filters
• Compact Size Gives More Installation Options
• Aluminum Heatsink
• Dimensions: 12-13/16" W x 6-5/16" L x 1-7/8" H

• 850 Watts RMS x 1 @ 4 ohm
• 1800 Watts RMS x 1 @ 2 ohm
• 2000 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 2500 Watts
• Built-In Low-Pass and Subsonic Filters
• Compact Size Gives More Installation Options
• Aluminum Heatsink
• Dimensions: 12-13/16" W x 6-5/16" L x 1-7/8" H

SPL FX1-3000D

Class D Monoblock Amplifier

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SPL FX1-3000D

Class D Monoblock Amplifier

FX1 Series 1-Channel Class D Car Amplifier • 900W x 1 chan. @ 4 ohm • 1300W x 1 chan. @ 2 ohm • 170000W x 1 chan. @ 1 ohm • 3000W x 1 chan. Max • Nickel Plated Heavy Duty Power & Speaker Terminals

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FX1 Series 1-Channel Class D Car Amplifier • 900W x 1 chan. @ 4 ohm • 1300W x 1 chan. @ 2 ohm • 170000W x 1 chan. @ 1 ohm • 3000W x 1 chan. Max • Nickel Plated Heavy Duty Power & Speaker Terminals

SPL FX1-4000D

Class D 4000 Watt Monoblock Amplifier

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SPL FX1-4000D

Class D 4000 Watt Monoblock Amplifier

FX1 Series 1-Channel Class D Car Amplifier • 1200W x 1 chan. @ 4 ohm • 1700W x 1 chan. @ 2 ohm • 2200W x 1 chan. @ 1 ohm • 4000W x 1 chan. Max • Nickel Plated Heavy Duty Power & Speaker Terminals

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FX1 Series 1-Channel Class D Car Amplifier • 1200W x 1 chan. @ 4 ohm • 1700W x 1 chan. @ 2 ohm • 2200W x 1 chan. @ 1 ohm • 4000W x 1 chan. Max • Nickel Plated Heavy Duty Power & Speaker Terminals

Hifonics Brutus BRZ2100.1D

2100W RMS Brutus Series 1-Channel Monoblock Super Class D Amplifier (BRZ 2100.1D)

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Hifonics Brutus BRZ2100.1D

2100W RMS Brutus Series 1-Channel Monoblock Super Class D Amplifier (BRZ 2100.1D)

Brutus Series Monoblock Class D Car Amplifier • 2100W x 1-Chan. @ 1 Ohm • 1400W x 1-Chan. @ 2 Ohm • 700W x 1-Chan. @ 4 Ohm • Wired HFR-3 Remote • 4-Way System Protection • Phase Shift • Silver-Plated RCA Inputs

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Brutus Series Monoblock Class D Car Amplifier • 2100W x 1-Chan. @ 1 Ohm • 1400W x 1-Chan. @ 2 Ohm • 700W x 1-Chan. @ 4 Ohm • Wired HFR-3 Remote • 4-Way System Protection • Phase Shift • Silver-Plated RCA Inputs

Precision Power P900.5, Open Box (Very Good, Used)

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

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Precision Power P900.5, Open Box (Very Good, Used)

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

• Item Condition - Very Good, Used
• 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

• Item Condition - Very Good, Used
• 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

** CRAZY DEAL!! ** MTX Audio TA5601 Thunder 5601

Class D Monoblock Amplifier Thunder5601

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** CRAZY DEAL!! ** MTX Audio TA5601 Thunder 5601

Class D Monoblock Amplifier Thunder5601

600 watts RMS x 1 at 2 ohm • variable low-pass filter • Class D design • preamp outputs • speaker-level inputs with SmartEngage • subsonic filter • wired remote bass boost/cut

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600 watts RMS x 1 at 2 ohm • variable low-pass filter • Class D design • preamp outputs • speaker-level inputs with SmartEngage • subsonic filter • wired remote bass boost/cut

Power Acoustik EG1-7000D

3500W RMS Class-D Monoblock 1-Ohm Stable Amplifier with Bass Knob

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Power Acoustik EG1-7000D

3500W RMS Class-D Monoblock 1-Ohm Stable Amplifier with Bass Knob

• 1100 Watts RMS x 1 @ 4 ohm
• 2300 Watts RMS x 1 @ 2 ohm
• 3500 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 7000 Watts
• Variable low-pass filter: 30 - 250 Hz
• Variable Bass Boost: 0 to +12 dB bass boost
• Subsonic filter: 20 - 50 Hz , 12 dB/octave
• Dimensions: 9"W x 16.25"L x 2.25"H

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• 1100 Watts RMS x 1 @ 4 ohm
• 2300 Watts RMS x 1 @ 2 ohm
• 3500 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 7000 Watts
• Variable low-pass filter: 30 - 250 Hz
• Variable Bass Boost: 0 to +12 dB bass boost
• Subsonic filter: 20 - 50 Hz , 12 dB/octave
• Dimensions: 9"W x 16.25"L x 2.25"H

Planet Audio ZR900.1 R/B

900W Max, Class D Monoblock Subwoofer Amplifier

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Planet Audio ZR900.1 R/B

900W Max, Class D Monoblock Subwoofer Amplifier

Class D Monoblock Subwoofer Amplifier • 900W Max • 525 Watts x 1 Chan. @ 2 Ohm • 300 Watts x 1 Chan. @ 4 Ohm • 35 Nanosecond Rectifiers • Preamp RCA Outputs • Master/Slave Modes • 3-Way System Protection Circuitry

Class D Monoblock Subwoofer Amplifier • 900W Max • 525 Watts x 1 Chan. @ 2 Ohm • 300 Watts x 1 Chan. @ 4 Ohm • 35 Nanosecond Rectifiers • Preamp RCA Outputs • Master/Slave Modes • 3-Way System Protection Circuitry

Soundstream STL1.600D

600W Stealth Series Stackable Class D Compact Monoblock Amplifier

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Soundstream STL1.600D

600W Stealth Series Stackable Class D Compact Monoblock Amplifier

Stealth Series Monoblock Class D Car Amplifier • 600W x 1 Chan. @ 2 Ohm • 400W 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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Stealth Series Monoblock Class D Car Amplifier • 600W x 1 Chan. @ 2 Ohm • 400W x 1 Chan. @ 4 Ohm • Double Side PCB And SMD Components • Remote Bass Level Input • Active X-Over • 3-Way System Protection Circuitry

Memphis SRX1200D.1

1200W RMS SRX Series Class-D Monoblock Amplifier with Bass Remote

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Memphis SRX1200D.1

1200W RMS SRX Series Class-D Monoblock Amplifier with Bass Remote

• 400 watts x 1 channel @ 4 Ohm
• 750 watts x 1 channel @ 2 Ohm
• 1200 watts x 1 channel @ 1 Ohm
• Total RMS Power: 1200 watts
• Class D 1 ohm Stable Monoblock Amplifier

2

• 400 watts x 1 channel @ 4 Ohm
• 750 watts x 1 channel @ 2 Ohm
• 1200 watts x 1 channel @ 1 Ohm
• Total RMS Power: 1200 watts
• Class D 1 ohm Stable Monoblock Amplifier

Planet Audio TRQ1.3000D

3000W Monoblock Torque Series Class D Amplifier

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Planet Audio TRQ1.3000D

3000W Monoblock Torque Series Class D Amplifier

• RMS Power: 1000W x 1 @ 4 ohm, 1500W x 1 @ 2 ohm, 2100W x 1 @ 1 ohm
• Max Power Output: 3000W
• Variable Low Pass Filter
• Dimensions: 9.5" W x 13.2" L x 2.125" H

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• RMS Power: 1000W x 1 @ 4 ohm, 1500W x 1 @ 2 ohm, 2100W x 1 @ 1 ohm
• Max Power Output: 3000W
• Variable Low Pass Filter
• Dimensions: 9.5" W x 13.2" L x 2.125" H

Clarion XC1410

300W XC Series Micro 4-Channel Class-D Compact Design Car Amplifier

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Clarion XC1410

300W XC Series Micro 4-Channel Class-D Compact Design Car Amplifier

• 50W x 4-Chan. @ 4 ohm
• 75W x 4-Chan. @ 2 ohm
• 3-Way System Protection
• 4-Channel Operation
• 8 Gauge Power and Ground Inputs
• Micro Size Amplifier for Maximizing Space Saving Applications

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• 50W x 4-Chan. @ 4 ohm
• 75W x 4-Chan. @ 2 ohm
• 3-Way System Protection
• 4-Channel Operation
• 8 Gauge Power and Ground Inputs
• Micro Size Amplifier for Maximizing Space Saving Applications

Hifonics ZXX-2400.1D

2400W Peak Zeus Series Class-D Monoblock 1-Ohm Stable Amplifier (ZXX 2400 1D)

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Hifonics ZXX-2400.1D

2400W Peak Zeus Series Class-D Monoblock 1-Ohm Stable Amplifier (ZXX 2400 1D)

• 650 Watts Peak x 1 @ 4 ohm
• 1200 Watts Peak x 1 @ 2 ohm
• 2400 Watts Peak x 1 @ 1 ohm
• Total Peak Power: 2400 Watts
• Low-Pass and Sub-Sonic Filters
• Variable Bass Boost
• Aluminum Heatsink
• 17.3" W x 10" L x 2.4" H

8

• 650 Watts Peak x 1 @ 4 ohm
• 1200 Watts Peak x 1 @ 2 ohm
• 2400 Watts Peak x 1 @ 1 ohm
• Total Peak Power: 2400 Watts
• Low-Pass and Sub-Sonic Filters
• Variable Bass Boost
• Aluminum Heatsink
• 17.3" W x 10" L x 2.4" 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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