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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)
Picasso-Nano Series (14)
V Power Series (14)
VXi Series (14)
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N-Series (13)
Razor Series (13)
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HCP Series (11)
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VC Series (11)
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iON Series (10)
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Power Reference (8)
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Mean Machine Series (7)
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PowerZone 2 Series (7)
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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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Condition

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You are currently viewing discontinued products.

Image Dynamics SQ600.1D

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

SQ600.1D big DISCONTINUED
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Image Dynamics SQ600.1D

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

Hifonics X1900.1D-RB (Factory Refurbished)

1900W BRUTUS X-14 Series Class D Monoblock 1-Channel Amplifier

X1900.1D big DISCONTINUED
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Hifonics X1900.1D-RB (Factory Refurbished)

1900W BRUTUS X-14 Series Class D Monoblock 1-Channel Amplifier

• RMS Power: 800W x 1 @ 4 ohm, 1400W x 1 @ 2 ohm, 1900W x 1 @ 1 ohm
• Total Peak Power: 1900W
• CEA-2006 Compliant
• 13.39"W x 2.5"H x 9.49"L

• RMS Power: 800W x 1 @ 4 ohm, 1400W x 1 @ 2 ohm, 1900W x 1 @ 1 ohm
• Total Peak Power: 1900W
• CEA-2006 Compliant
• 13.39"W x 2.5"H x 9.49"L

Kenwood KACM3004 OPEN BOX COMPLETE

600W Class D 4-Channel Compact Digital Car/Marine Certified Amplifier

KAC-M3004 big DISCONTINUED
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Kenwood KACM3004 OPEN BOX COMPLETE

600W Class D 4-Channel Compact Digital Car/Marine Certified Amplifier

Item has been previously installed and wires cut
• RMS: 50W x 4 @ 4 ohm, 75W x 4 @ 2 ohm &bull, 150W x 2 Bridged @ 4 Ohm ; Total Peak Power: 600W
• CEA-2006 Compliant/Preamp Outputs/LPF
• Variable Bass Boost: 0 to +12 dB bass boost at 50 Hz
• Lo-Level (RCA) and Speaker-level (high-level) inputs
• Dimensions: 6-1/2"W x 4"D x 1-13/16"H

Item has been previously installed and wires cut
• RMS: 50W x 4 @ 4 ohm, 75W x 4 @ 2 ohm &bull, 150W x 2 Bridged @ 4 Ohm ; Total Peak Power: 600W
• CEA-2006 Compliant/Preamp Outputs/LPF
• Variable Bass Boost: 0 to +12 dB bass boost at 50 Hz
• Lo-Level (RCA) and Speaker-level (high-level) inputs
• Dimensions: 6-1/2"W x 4"D x 1-13/16"H

SPL DK-3400D R/B

(Refurbished) 3400W Max, Phantom Series Class D Monoblock Amplifier ( DK3400D )

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SPL DK-3400D R/B

(Refurbished) 3400W Max, Phantom Series Class D Monoblock Amplifier ( DK3400D )

SPL DK-3400D 3400W Max, Phantom Series Class D Monoblock Amplifier • 4 ohm: 1400 watts x 1 chan. • 2 ohm: 2100 watts x 1 chan. • 1 ohm: 2600 watts x 1 chan.

SPL DK-3400D 3400W Max, Phantom Series Class D Monoblock Amplifier • 4 ohm: 1400 watts x 1 chan. • 2 ohm: 2100 watts x 1 chan. • 1 ohm: 2600 watts x 1 chan.

Belva BB3000D (Factory Refurbished)

1800W RMS Class D Monoblock BB Series Car Amplifier

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Belva BB3000D (Factory Refurbished)

1800W RMS Class D Monoblock BB Series Car Amplifier

• RMS: 780W x 1 @ 4 ohm, 1260W x 1 @ 2 ohm, 1800W x 1 @ 1 ohm
• Total Peak Power: 3000W
• 1 Pair of Preamp Outputs
• Bass Boost 0-12 dB from 30-80 Hz
• Subsonic Filter from 20-50 Hz
• Dimensions: 13-3/4"W x 8-1/4"D x 2-1/4"H

• RMS: 780W x 1 @ 4 ohm, 1260W x 1 @ 2 ohm, 1800W x 1 @ 1 ohm
• Total Peak Power: 3000W
• 1 Pair of Preamp Outputs
• Bass Boost 0-12 dB from 30-80 Hz
• Subsonic Filter from 20-50 Hz
• Dimensions: 13-3/4"W x 8-1/4"D x 2-1/4"H

Hifonics GLX1000.1D (Factory Refurbished)

1000W RMS, Class D Monoblock Gladiator Series Amplifier

GLX1000.1D big DISCONTINUED
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Hifonics GLX1000.1D (Factory Refurbished)

1000W RMS, Class D Monoblock Gladiator Series Amplifier

Gladiator Series Monoblock Class D Car Amplifier • 4 ohm: 475 watts x 1 chan. • 2 ohm: 750 watts x 1 chan. • 1 ohm: 1000 watts x 1 chan.

Gladiator Series Monoblock Class D Car Amplifier • 4 ohm: 475 watts x 1 chan. • 2 ohm: 750 watts x 1 chan. • 1 ohm: 1000 watts x 1 chan.

Earthquake Sound T2000WD/1 OPEN BOX INCOMPLETE

2000W Max Digital Monoblock TNT Series Car Amplifier with High Level Inputs

T2000WD/1 big DISCONTINUED
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Earthquake Sound T2000WD/1 OPEN BOX INCOMPLETE

2000W Max Digital Monoblock TNT Series Car Amplifier with High Level Inputs

Box damaged, used, has marks, and is missing High Input Cable
• RMS: 500W x 1 @ 4 ohm, 1000W x 1 @ 2 ohm
• Total Peak Power: 2000W
• Wired Bass Remote Included
• Bass Boost: 0-10 dB
• Class D Stealth Design
• Dimensions: 11"D x 9-3/4"W x 2-1/4"H

Box damaged, used, has marks, and is missing High Input Cable
• RMS: 500W x 1 @ 4 ohm, 1000W x 1 @ 2 ohm
• Total Peak Power: 2000W
• Wired Bass Remote Included
• Bass Boost: 0-10 dB
• Class D Stealth Design
• Dimensions: 11"D x 9-3/4"W x 2-1/4"H

Hifonics ZRX2400.1D (Factory Refurbished)

2400W Max Class D Monoblock Zeus Series Amplifier

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Hifonics ZRX2400.1D (Factory Refurbished)

2400W Max Class D Monoblock Zeus Series Amplifier

• Peak: 650W x 1 @ 4 ohm, 1200W x 1 @ 2 ohm, 2400W x 1 @ 1 ohm
• Total Peak Power: 2400W
• Class D Circuitry
• Variable Bass Boost: 0 to +10 dB at 50 Hz
• Wired Bass Remote Included
• Dimensions: 17-3/16"L x 10"W x 2-7/16"H

• Peak: 650W x 1 @ 4 ohm, 1200W x 1 @ 2 ohm, 2400W x 1 @ 1 ohm
• Total Peak Power: 2400W
• Class D Circuitry
• Variable Bass Boost: 0 to +10 dB at 50 Hz
• Wired Bass Remote Included
• Dimensions: 17-3/16"L x 10"W x 2-7/16"H

Precision Power PPI S850.1D Open Box

850W RMS, Sedona Series Class D Monoblock Amplifier

S850.1D big DISCONTINUED
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Precision Power PPI S850.1D Open Box

850W RMS, Sedona Series Class D Monoblock Amplifier

Sedona Series Monoblock Car Amplifier • Class D • 350W @ 4 ohm • 600W @ 2 ohm • 850W @ 1 ohm • Variable Bass Boost • High Level Inputs • Brushed Aluminum Finish

Sedona Series Monoblock Car Amplifier • Class D • 350W @ 4 ohm • 600W @ 2 ohm • 850W @ 1 ohm • Variable Bass Boost • High Level Inputs • Brushed Aluminum Finish

Precision Power PPI i640.5- OPEN BOX

640W RMS 5-Channel iON Series Class D Full-Range Digital Stereo Bridgeable Amplifier

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Precision Power PPI i640.5- OPEN BOX

640W RMS 5-Channel iON Series Class D Full-Range Digital Stereo Bridgeable Amplifier

• Full-Range RMS: 60W x 4 @ 4 ohm, 80W x 4 @ 2 ohm
• Subwoofer RMS: 200W x 1 @ 4 ohm, 350W x 1 @ 2 ohm
• Double Sided FR-4 PC Board
• SMT (Surface Mount Technology)
• Variable Bass Boost: 0 - 12 dB
• Dimensions: 5-5/16"W x 10-5/16"L x 1-11/16"H

• Full-Range RMS: 60W x 4 @ 4 ohm, 80W x 4 @ 2 ohm
• Subwoofer RMS: 200W x 1 @ 4 ohm, 350W x 1 @ 2 ohm
• Double Sided FR-4 PC Board
• SMT (Surface Mount Technology)
• Variable Bass Boost: 0 - 12 dB
• Dimensions: 5-5/16"W x 10-5/16"L x 1-11/16"H

Crunch PZA1600.4 (Factory Refurbished)

1600W 4-Channel Class A/B Power Zone Series Car Amplifier

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Crunch PZA1600.4 (Factory Refurbished)

1600W 4-Channel Class A/B Power Zone Series Car Amplifier

4-Channel Power Zone Series Amplifier • Bass Boost (0-12 dB @ 45Hz) • Preamp RCA Outputs • 4-Way System Protection Circuitry • Heavy Duty Aluminum Alloy Heatsink • Fully Adjustable 12 dB Crossover • Nickle-Plated RCA Level Inputs

4-Channel Power Zone Series Amplifier • Bass Boost (0-12 dB @ 45Hz) • Preamp RCA Outputs • 4-Way System Protection Circuitry • Heavy Duty Aluminum Alloy Heatsink • Fully Adjustable 12 dB Crossover • Nickle-Plated RCA Level Inputs

Lanzar VIBE4000D

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Lanzar VIBE4000D

• Description Coming Soon! •

• Description Coming Soon! •

EXCLUSIVE

Alpine + NVX Full Range High Performance Amplified System w/ 6.5" Speakers

Alpine SPR-60C/Alpine SPR-60 6.5" 2-Way Type-R Component/Coaxial Speakers + NVX JAD800.4 Class D 4-Channel Amplifier w/ Amp Wiring Kit

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Alpine + NVX Full Range High Performance Amplified System w/ 6.5" Speakers

Alpine SPR-60C/Alpine SPR-60 6.5" 2-Way Type-R Component/Coaxial Speakers + NVX JAD800.4 Class D 4-Channel Amplifier w/ Amp Wiring Kit

• 4 ohm: 125 watts x 4-Chan.
• Hybrid Layered-Pulp Cone
• 4 Ohm Impedance
• 1" Textile ring-dome tweeter
• Pulse Width Modulated MOSFET Power Supply
• High speed rectifying diodes
• Heavy duty aluminum alloy heat-sink

• 4 ohm: 125 watts x 4-Chan.
• Hybrid Layered-Pulp Cone
• 4 Ohm Impedance
• 1" Textile ring-dome tweeter
• Pulse Width Modulated MOSFET Power Supply
• High speed rectifying diodes
• Heavy duty aluminum alloy heat-sink

EXCLUSIVE

Sonic Combo: 2 Kicker 08S12L74 + 1 MTX Audio TE1501D

3000W Max / 1500W RMS Matched System with 2 S12L7 Solo-Baric L7 12" Subs + 1 MTX Class D Amplifier

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Sonic Combo: 2 Kicker 08S12L74 + 1 MTX Audio TE1501D

3000W Max / 1500W RMS Matched System with 2 S12L7 Solo-Baric L7 12" Subs + 1 MTX Class D Amplifier

2 Awesome L7 Sub woofers Plus 1 Competition Level Thunder Elite Series Monoblock Class D Car Amplifier • Amp Power Output, RMS: 1500W / Max: 3000W • Fan-cooled • Overload and thermal protection • Sub Power Handling: RMS: 1500W per pair, Max: 3000W per pair • Titanium deposit impregnated cone woofer with rolled outer edge • Santoprene rubber surround • Highly-efficient UniPlate™ pole-piece/back plate

5

2 Awesome L7 Sub woofers Plus 1 Competition Level Thunder Elite Series Monoblock Class D Car Amplifier • Amp Power Output, RMS: 1500W / Max: 3000W • Fan-cooled • Overload and thermal protection • Sub Power Handling: RMS: 1500W per pair, Max: 3000W per pair • Titanium deposit impregnated cone woofer with rolled outer edge • Santoprene rubber surround • Highly-efficient UniPlate™ pole-piece/back plate

EXCLUSIVE

Kicker + Hifonics 750 Watt Amplified Bass Bundle

(2) Kicker CVR102 10" CompVR Series Dual 2 ohm Subwoofer + Hifonics HFi1000.1D Class D Monoblock HFi Series Amplifier

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Kicker + Hifonics 750 Watt Amplified Bass Bundle

(2) Kicker CVR102 10" CompVR Series Dual 2 ohm Subwoofer + Hifonics HFi1000.1D Class D Monoblock HFi Series Amplifier

• 2 ohm: 750 watts x 1 chan.
• Rigid SoloKon cone
• Double Stitched Surround
• Ribbed Santoprene Surround
• Spring-Loaded Terminals
• Spiralead Tinsel Leads
• Wired HFR-3 remote bass level control included
• Preamp RCA outputs to daisy chain multiple amps
• Frequency Response: 15 - 250 Hz
• Signal to Noise Ration: >95 dB
• Variable low-pass filter: 30 - 250 Hz, 24 dB/octave

161

• 2 ohm: 750 watts x 1 chan.
• Rigid SoloKon cone
• Double Stitched Surround
• Ribbed Santoprene Surround
• Spring-Loaded Terminals
• Spiralead Tinsel Leads
• Wired HFR-3 remote bass level control included
• Preamp RCA outputs to daisy chain multiple amps
• Frequency Response: 15 - 250 Hz
• Signal to Noise Ration: >95 dB
• Variable low-pass filter: 30 - 250 Hz, 24 dB/octave

Boss NXD5500 (Factory Refurbished)

Refurbished 5500W Max, Onyx Series Class D Monoblock Power Amplifier

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Boss NXD5500 (Factory Refurbished)

Refurbished 5500W Max, Onyx Series Class D Monoblock Power Amplifier

Onyx Series 1-Channel Class D Car Amplifier • 2300 Watts RMS x 1 Chan. @ 4 Ohm • 5500 Watts Max x 1 Chan. @ 1 Ohm • Adjustable 0-12 dB Bass Boost • 1 Pair of Preamp RCA Outputs • Strapping Capability

Onyx Series 1-Channel Class D Car Amplifier • 2300 Watts RMS x 1 Chan. @ 4 Ohm • 5500 Watts Max x 1 Chan. @ 1 Ohm • Adjustable 0-12 dB Bass Boost • 1 Pair of Preamp RCA Outputs • Strapping Capability

Planet Audio PX5000D (Factory Refurbished)

3600W RMS Axis Series Class D Monoblock Car Amplifier

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Planet Audio PX5000D (Factory Refurbished)

3600W RMS Axis Series Class D Monoblock Car Amplifier

• Item Condition: Factory Refurbished • RMS: 1300W x 1 @ 4 ohm, 2400W x 1 @ 2 ohm, 3600W x 1 @ 1 ohm
• Total Peak Power: 5000W
• Wired Bass Knob Included
• Switchable Bass Boost: 0 or +18 dB at 50 Hz
• Class D Circuitry
• Dimensions: 10-11/16"W x 15-15/16D x 2-3/8"H

7

• Item Condition: Factory Refurbished • RMS: 1300W x 1 @ 4 ohm, 2400W x 1 @ 2 ohm, 3600W x 1 @ 1 ohm
• Total Peak Power: 5000W
• Wired Bass Knob Included
• Switchable Bass Boost: 0 or +18 dB at 50 Hz
• Class D Circuitry
• Dimensions: 10-11/16"W x 15-15/16D x 2-3/8"H

SoundStorm (SSL) EV5000D Open Box

5000W Max, Evolution Series Class D Monoblock Power Amplifier with Remote Level Control

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SoundStorm (SSL) EV5000D Open Box

5000W Max, Evolution Series Class D Monoblock Power Amplifier with Remote Level Control

Evolution Series Class D Car Amplifier • Single-Channel Monoblock • 5000W x 1 Chan. @ 1 Ohm • 3500W x 1 Chan. @ 2 Ohm • 1800W x 1 Chan. @ 4 Ohm • LED Protection Indicators • DataLink for Strapping Amps Together

Evolution Series Class D Car Amplifier • Single-Channel Monoblock • 5000W x 1 Chan. @ 1 Ohm • 3500W x 1 Chan. @ 2 Ohm • 1800W x 1 Chan. @ 4 Ohm • LED Protection Indicators • DataLink for Strapping Amps Together

Kenwood KAC-9102D R/B

Factory Refurbished

KAC-9102D big DISCONTINUED
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Kenwood KAC-9102D R/B

Factory Refurbished

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

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

Kicker IX500.1 (11IX500.1)

500W RMS, Monoblock Class D IX Series Amplifier

11IX500.1 big DISCONTINUED
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Kicker IX500.1 (11IX500.1)

500W RMS, Monoblock Class D IX Series Amplifier

• RMS: 275W x 1 @ 4 ohm, 500W x 1 @ 2 ohm
• Total Peak Power: 1000W
• CEA-2006 Compliant
• Bass Boost 0-18 dB at 40 Hz
• Compact Stealth Design
• Dimensions: 9-3/8"L x 7-7/8"W x 2-3/16"H

• RMS: 275W x 1 @ 4 ohm, 500W x 1 @ 2 ohm
• Total Peak Power: 1000W
• CEA-2006 Compliant
• Bass Boost 0-18 dB at 40 Hz
• Compact Stealth Design
• Dimensions: 9-3/8"L x 7-7/8"W x 2-3/16"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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