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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 (60)
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V Power Series (14)
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Minimum Impedance Unbridged
The lowest impedance the amplifier will handle when it is not bridged.
Minimum Impedance Bridged
The lowest impedance the amplifier will handle when it is bridged.
Remote bass/level controller
If the amp comes with a bass/gain remote you will be able to control the level of your bass from your dashboard. Typically bass remotes also include a 16-20 ft. wire for installation.
Sonic Certified Amplifier
Sonic Certified amplifiers have been tested by the experts at Sonic Electronix to meet or exceed the wattage ratings provided by the manufacturer. If this is marked as Yes, then you can trust the wattage ratings. If marked as No, then we have tested the amplifier and it did not meet the advertised wattage ratings. If marked as Not Tested, then the Sonic Electronix experts have not yet been able to test the amp.
Preamp Outputs
Many amplifiers are equipped with RCA preamp outputs which pass the original music signal from the source to additional amplifiers. This is known as daisy chaining because the source connects to the first amp, and the first amp connects to the second amp, etc. The advantage to daisy chaining is you only need one 2-channel RCA cable to transfer the signal from the head-unit to the amplifier, and then one additional cable for each amp being daisy chained.
Built-in Crossover

A crossover is a type of filtering system that permits only certain frequencies to play. A Low-Pass (LP) crossover allows only frequencies below its setting to get through which is good in the case of some subwoofers. A High-Pass(HP) filter allows frequencies above its setting to pass through, this is normally used on speakers.

When a crossover is set to FULL it means no filtering is added and the full frequency spectrum is allowed through the amplifier. Filtering is important because feeding a speaker frequencies it cannot reproduce effectively creates distortion.

Amp Bluetooth Connectivity
This feature will tell you if the amplifier has the capability to connect to a Bluetooth device.
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You are currently viewing discontinued products.

Autotek MM8000.5 R/B

620W RMS Mean Machine Series 5-Channel Amplifier

MM8000.5-RB big DISCONTINUED
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Autotek MM8000.5 R/B

620W RMS Mean Machine Series 5-Channel 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

MB Quart ZA2-1500.5 (ZA21500.5)

1500W RMS Z-Line Class-D 5-Channel 1-Ohm Stable Amplifier with Bass Knob Included

ZA2-1500.5 big DISCONTINUED
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MB Quart ZA2-1500.5 (ZA21500.5)

1500W RMS Z-Line Class-D 5-Channel 1-Ohm Stable Amplifier with Bass Knob Included

• 60 Watts Peak x 4, 350 watts x 1 @ 4 ohm
• 100 watts x 4 chan., 750 watts x 1 chan @ 2 ohm
•1 ohm: 1,000 watts x 1 chan. only @ 1 ohm
• Total Peak Power: 1,400 Watts
• Built-in High and Low Pass Filters
• Heavy Duty Aluminum Alloy Heatsink
• Dimensions: 23.38" W x 10.63" L x 3.25" H

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• 60 Watts Peak x 4, 350 watts x 1 @ 4 ohm
• 100 watts x 4 chan., 750 watts x 1 chan @ 2 ohm
•1 ohm: 1,000 watts x 1 chan. only @ 1 ohm
• Total Peak Power: 1,400 Watts
• Built-in High and Low Pass Filters
• Heavy Duty Aluminum Alloy Heatsink
• Dimensions: 23.38" W x 10.63" L x 3.25" H

Boss CHD3000

3000W Chaos Series Class D 1-Ohm Stable Monoblock Amplifier

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Boss CHD3000

3000W Chaos Series Class D 1-Ohm Stable Monoblock Amplifier

• RMS: 750W x 1 @ 4 ohm
• Total Peak Power: 3000W
• Nickel-plated RCA low level inputs/outputs
• 3-way protection circuitry (thermal, overload, and speaker short protection)
• Wired remote bass level control included
• 11.00" W x 11.98" L x 2.60" H

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• RMS: 750W x 1 @ 4 ohm
• Total Peak Power: 3000W
• Nickel-plated RCA low level inputs/outputs
• 3-way protection circuitry (thermal, overload, and speaker short protection)
• Wired remote bass level control included
• 11.00" W x 11.98" L x 2.60" H

Cadence Olympia

2000W RMS, United Series Class D Monoblock Car Amplifier

Olympia big DISCONTINUED
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Cadence Olympia

2000W RMS, United Series Class D Monoblock Car Amplifier

United Series Monoblock Class D Car Amplifier • 500W RMS @ 4 ohm • 1000W RMS @ 2 ohm • 2000W RMS @ 1 ohm • Wired Bass Remote Included • Variable Low Crossover • RCA Preamp Line Output • Phase Control Switch • Variable Bass Boost • Exclusive "Peak Limiter Circuitry"

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United Series Monoblock Class D Car Amplifier • 500W RMS @ 4 ohm • 1000W RMS @ 2 ohm • 2000W RMS @ 1 ohm • Wired Bass Remote Included • Variable Low Crossover • RCA Preamp Line Output • Phase Control Switch • Variable Bass Boost • Exclusive "Peak Limiter Circuitry"

RE Audio CTX-3200.1

1200W RMS CTX Series Class DE Monoblock Car Amplifier

CTX-3200.1 big DISCONTINUED
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RE Audio CTX-3200.1

1200W RMS CTX Series Class DE Monoblock Car Amplifier

• RMS: 400W x 1 @ 4 ohm, 750W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
• Total Peak Power: 3200W
• 1 Pair of Preamp Outputs
• Bass Boost: 0-18 dB
• Class DE Circuitry
• Dimensions: 9-1/2"W x 17-3/4"D x 2-1/4"H

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• RMS: 400W x 1 @ 4 ohm, 750W x 1 @ 2 ohm, 1200W x 1 @ 1 ohm
• Total Peak Power: 3200W
• 1 Pair of Preamp Outputs
• Bass Boost: 0-18 dB
• Class DE Circuitry
• Dimensions: 9-1/2"W x 17-3/4"D x 2-1/4"H

Precision Power PPI DCX 1500.1

Class-D Monoblock Competition Car Amplifier

DCX-1500.1 big DISCONTINUED
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Precision Power PPI DCX 1500.1

Class-D Monoblock Competition Car Amplifier

Class-D Monoblock Amplifier • 1000W RMS x 1 @ 2 • 1500W RMS x 1 @ 1 • QBASS PLUS Bass Boost • RCA Output • Phase Control • Adjustable Input Gain • Independant Output Crossover • PowerLOCK Connectors

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Class-D Monoblock Amplifier • 1000W RMS x 1 @ 2 • 1500W RMS x 1 @ 1 • QBASS PLUS Bass Boost • RCA Output • Phase Control • Adjustable Input Gain • Independant Output Crossover • PowerLOCK Connectors

JL Audio 1000/1 (BLACK SPECIAL EDITION)

Black Heatsink Design Class D Monoblock Amplifier

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JL Audio 1000/1 (BLACK SPECIAL EDITION)

Black Heatsink Design Class D Monoblock Amplifier

1000 watts, MonoBlock Class D Amplifier

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1000 watts, MonoBlock Class D Amplifier

Hifonics BXi 1208D

1200W RMS, Class D Monoblock Brutus BXi Series Amplifier (BXi1208D)

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Hifonics BXi 1208D

1200W RMS, Class D Monoblock Brutus BXi Series Amplifier (BXi1208D)

Brutus BXi Series Class D Monoblock Car Amplifier • 450W x 1 chan. @ 4 ohm • 900W x 1 chan. @ 2 ohm • 1200W x 1 chan. @ 1 ohm • MOSFET power supply • Soft turn-on circuitry • Preamp RCA outputs

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Brutus BXi Series Class D Monoblock Car Amplifier • 450W x 1 chan. @ 4 ohm • 900W x 1 chan. @ 2 ohm • 1200W x 1 chan. @ 1 ohm • MOSFET power supply • Soft turn-on circuitry • Preamp RCA outputs

Kenwood eXcelon XR-5S

1200W Max, Five Channel Digital Power Amplifier

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Kenwood eXcelon XR-5S

1200W Max, Five Channel Digital Power Amplifier

Kenwood eXcelon 5-Channel Car Amplifier • Class D • 80 watts x 4 chan. + 350 watts x 1 chan. @ 4 ohm • 80 watts x 4 chan. + 350 watts x 1 chan. @ 2 ohm • Bridgeable • Fan Cooled • Gold-Plated Contacts • CEA-2006 Compliant

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Kenwood eXcelon 5-Channel Car Amplifier • Class D • 80 watts x 4 chan. + 350 watts x 1 chan. @ 4 ohm • 80 watts x 4 chan. + 350 watts x 1 chan. @ 2 ohm • Bridgeable • Fan Cooled • Gold-Plated Contacts • CEA-2006 Compliant

SKAR Audio LP-750.1D

750W RMS LP Series Class D Monoblock Single Channel Car Amplifier

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SKAR Audio LP-750.1D

750W RMS LP Series Class D Monoblock Single Channel Car Amplifier

• Peak: 350W x 1 @ 4 ohm, 600W x 1 @ 2 ohm, 750W x 1 @ 1 ohm
• Total RMS Power: 750W
• Wired Bass Remote Included
• Variable Bass Boost: 0 to +15 dB
• Class D Circuitry
• Dimensions: 5-1/2"W x 13-9/16"D x 2"H

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• Peak: 350W x 1 @ 4 ohm, 600W x 1 @ 2 ohm, 750W x 1 @ 1 ohm
• Total RMS Power: 750W
• Wired Bass Remote Included
• Variable Bass Boost: 0 to +15 dB
• Class D Circuitry
• Dimensions: 5-1/2"W x 13-9/16"D x 2"H

Pioneer Premier PRS-D5000SPL

3000W Max, Premier Competition SPL Digital Class D Monoblock Amplifier

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Pioneer Premier PRS-D5000SPL

3000W Max, Premier Competition SPL Digital Class D Monoblock Amplifier

3000 watts maximum power output • Premier Competition SPL Digital Monoblock Amplifier • Independent Rail-Regulating Power Supply (IRRP) • Multi-Amplifier Synchronization System (MASS)

3000 watts maximum power output • Premier Competition SPL Digital Monoblock Amplifier • Independent Rail-Regulating Power Supply (IRRP) • Multi-Amplifier Synchronization System (MASS)

Boss CER2600D

2600W Max Single Channel Monoblock Class D Chaos Epic Series Power Amplifier

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Boss CER2600D

2600W Max Single Channel Monoblock Class D Chaos Epic Series Power Amplifier

• RMS: 800W x 1 @ 4 ohm
• Peak: 1600W x 1 @ 2 ohm, 2600W x 1 @ 1 ohm
• Class D Circuitry
• Bass Boost 0-12 dB at 50 Hz
• Heavy Duty Aluminum Alloy Heatsink
• Dimensions: 11-1/4"W x 12-7/16"L x 2-7/16"H

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• RMS: 800W x 1 @ 4 ohm
• Peak: 1600W x 1 @ 2 ohm, 2600W x 1 @ 1 ohm
• Class D Circuitry
• Bass Boost 0-12 dB at 50 Hz
• Heavy Duty Aluminum Alloy Heatsink
• Dimensions: 11-1/4"W x 12-7/16"L x 2-7/16"H

Autotek Street Machine SM3200.1

3200W Max Single Channel Monoblock Street Machine Series Class D Car Amplifier

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Autotek Street Machine SM3200.1

3200W Max Single Channel Monoblock Street Machine Series Class D Car Amplifier

• Peak: 800W x 1 @ 4 ohm, 1600W x 1 @ 2 ohm, 3200W x 1 @ 1 ohm
• Total Peak Power: 3200W
• 1 Pair of Preamp Outputs
• Bass Boost 0-12 dB at 50 Hz
• Iluminated Power VU Meter for Stylish Retro Look
• Dimensions: 9-3/8"W x 11-13/16"D x 2-1/2"H

• Peak: 800W x 1 @ 4 ohm, 1600W x 1 @ 2 ohm, 3200W x 1 @ 1 ohm
• Total Peak Power: 3200W
• 1 Pair of Preamp Outputs
• Bass Boost 0-12 dB at 50 Hz
• Iluminated Power VU Meter for Stylish Retro Look
• Dimensions: 9-3/8"W x 11-13/16"D x 2-1/2"H

Alpine PDXV9 (Open Box, Complete)

1600W Max, 5-Channel PDX Series Car Amplifier

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Alpine PDXV9 (Open Box, Complete)

1600W Max, 5-Channel PDX Series Car Amplifier

• Full-Range RMS: 100W x 4 @ 4 ohm, 100W x 4 @ 2 ohm
• Subwoofer RMS: 500W x 1 @ 4 ohm, 500W x 1 @ 2 ohm
• CEA-2006 Compliant
• Super Efficient PDX Power Supply >90%
• Power Management Processor
• Dimensions: 10-5/8"W x 7-1/2"D x 2"H

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• Full-Range RMS: 100W x 4 @ 4 ohm, 100W x 4 @ 2 ohm
• Subwoofer RMS: 500W x 1 @ 4 ohm, 500W x 1 @ 2 ohm
• CEA-2006 Compliant
• Super Efficient PDX Power Supply >90%
• Power Management Processor
• Dimensions: 10-5/8"W x 7-1/2"D x 2"H

Soundstream RN1.2000D

2000 Watt Peak (1000 W RMS) Rubicon Nano Series Class D Monoblock Amplifier

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Soundstream RN1.2000D

2000 Watt Peak (1000 W RMS) Rubicon Nano Series Class D Monoblock Amplifier

• 400 Watts RMS x 1 @ 4 ohm
• 600 Watts RMS x 1 @ 2 ohm
•1000 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 2000 Watts
• Wired remote bass level control included
• Heavy duty aluminum alloy heat-sink for extreme heat dissipation
• Dimensions: 6.5"W x 10"L x 1.5"H

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• 400 Watts RMS x 1 @ 4 ohm
• 600 Watts RMS x 1 @ 2 ohm
•1000 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 2000 Watts
• Wired remote bass level control included
• Heavy duty aluminum alloy heat-sink for extreme heat dissipation
• Dimensions: 6.5"W x 10"L x 1.5"H

Hifonics Zeus ZXi60.4 + 1K

5-Channel Zeus Series Car Amplifier (ZXi 60.4+1K, ZXi60.4+1K)

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Hifonics Zeus ZXi60.4 + 1K

5-Channel Zeus Series Car Amplifier (ZXi 60.4+1K, ZXi60.4+1K)

5-Channel Class A/B-D Car Amplifier • 60W x 4 chan. @ 4 ohm • 120W x 4 chan. @ 2 ohm • MOSFET Power Supply • Variable Bass Boost • 4-Way System Protection • Aluminum Alloy Finned Heatsink

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5-Channel Class A/B-D Car Amplifier • 60W x 4 chan. @ 4 ohm • 120W x 4 chan. @ 2 ohm • MOSFET Power Supply • Variable Bass Boost • 4-Way System Protection • Aluminum Alloy Finned Heatsink

Rockford Fosgate Power T1000-1bd (New Black Box)

1000W RMS, Compact Class BD Monoblock Car Amplifier (2009-2010 Edition)

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Rockford Fosgate Power T1000-1bd (New Black Box)

1000W RMS, Compact Class BD Monoblock Car Amplifier (2009-2010 Edition)

Compact Class DB Monoblock Car Amplifier • 350W x 1 Chan. @ 4 Ohm • 650W x 1 Chan. @ 2 Ohm • 1000W x 1 Chan. @ 1 Ohm • Discrete Surface Mount Components • MEHSA MOSFET Power Supply • Utilizes TO-247 MOSFETs •

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Compact Class DB Monoblock Car Amplifier • 350W x 1 Chan. @ 4 Ohm • 650W x 1 Chan. @ 2 Ohm • 1000W x 1 Chan. @ 1 Ohm • Discrete Surface Mount Components • MEHSA MOSFET Power Supply • Utilizes TO-247 MOSFETs •

Power Acoustik BAMF-2000/1D (BAMF2000/1D) R/B

2000W Max, Class D Monoblock BAMF Series Amplifier (Refurbished)

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Power Acoustik BAMF-2000/1D (BAMF2000/1D) R/B

2000W Max, Class D Monoblock BAMF Series Amplifier (Refurbished)

• Class D Monoblock BAMF Series Amplifier
• 2000W Max
• 600W x 1 Chan. @ 4 Ohm
• 900W x 1 Chan. @ 2Ohm
• 1000W x 1 Chan. @ 1Ohm
• PWM Power Supply
• Wired Bass Remote
• 1-Ohm Stable
• Adjustable Tuned Bass EQ

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• Class D Monoblock BAMF Series Amplifier
• 2000W Max
• 600W x 1 Chan. @ 4 Ohm
• 900W x 1 Chan. @ 2Ohm
• 1000W x 1 Chan. @ 1Ohm
• PWM Power Supply
• Wired Bass Remote
• 1-Ohm Stable
• Adjustable Tuned Bass EQ

American Bass PH2500MD

2500W Monoblock Phantom Series Micro Class D Amplifier

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American Bass PH2500MD

2500W Monoblock Phantom Series Micro Class D Amplifier

• RMS Power: 1250W x 1 @ 1 ohm
• Total Peak Power: 2500W
• Variable Low Pass Filter
• Dimensions: 5.51" W x 10.27" L x 2.12" H

• RMS Power: 1250W x 1 @ 1 ohm
• Total Peak Power: 2500W
• Variable Low Pass Filter
• Dimensions: 5.51" W x 10.27" L x 2.12" H

Lanzar OPTI3201D

3200W RMS Monoblock Class D OptiDrive Series Car Amplifier

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Lanzar OPTI3201D

3200W RMS Monoblock Class D OptiDrive Series Car Amplifier

• RMS: 820W x 1 @ 4 ohm, 1500W x 1 @ 2 ohm, 2100W x 1 @ 1 ohm
• Total RMS Power: 3200W
• Class D Circuitry
• Bass Boost: 0-18 dB
• 0.5 Ohm Stable
• Dimensions: 19-3/4"L x 10-11/16"W x 2-1/8"H

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• RMS: 820W x 1 @ 4 ohm, 1500W x 1 @ 2 ohm, 2100W x 1 @ 1 ohm
• Total RMS Power: 3200W
• Class D Circuitry
• Bass Boost: 0-18 dB
• 0.5 Ohm Stable
• Dimensions: 19-3/4"L x 10-11/16"W x 2-1/8"H

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    FAQ Frequently asked questions in Discontinued Class-D Amplifiers

    Class D Amplifiers Frequently Asked Questions (FAQ)
    Class D amplifiers are a type of switching amplifier known for their high efficiency and compact size. Unlike traditional Class A, B, and AB amplifiers that use continuous analog voltage to amplify audio signals, Class D amplifiers employ a digital switching technique. This process rapidly switches the output transistors on and off, effectively turning them into binary switches that deliver the audio signal to the speaker. The switching nature of Class D amplifiers drastically reduces power wastage, resulting in higher efficiency and less heat production. As a result, Class D amplifiers are ideal for applications with limited space or power constraints, making them popular in car audio, home theater systems, and portable devices.
    Yes, modern Class D amplifiers have made significant advancements in audio fidelity and can deliver high-quality sound performance. While traditional audiophiles may have associated Class D with lower audio quality due to early models' limitations, today's Class D amplifiers have overcome many of these challenges. With advancements in switching technology, filtering, and feedback mechanisms, Class D amplifiers can now offer exceptional audio reproduction that rivals traditional Class AB amplifiers. Additionally, Class D amplifiers' efficiency and lower heat generation make them well-suited for high-power audio applications where traditional amplifiers would be impractical.
    Yes, Class D amplifiers are versatile and can power various speaker types, including subwoofers, woofers, mid-range, and tweeters. When selecting a Class D amplifier for your speakers, consider the power output (wattage) and impedance rating. Ensure that the amplifier's power rating matches or slightly exceeds your speakers' power handling capabilities to prevent underpowering or overpowering, which can lead to distortion or speaker damage. Additionally, check the amplifier's impedance range to ensure compatibility with your speakers' impedance. Most Class D amplifiers can handle both 4-ohm and 2-ohm loads, making them suitable for a wide range of speaker configurations.
    No, Class D amplifiers are known for their high efficiency, which results in significantly less heat generation compared to other amplifier classes like Class A or Class AB. The digital switching technique used in Class D amplifiers reduces power loss, resulting in a more efficient conversion of electrical energy into audio output. As a result, Class D amplifiers remain relatively cool even at high volume levels, making them suitable for space-constrained installations and applications where heat dissipation is a concern. Their cool operation also extends the lifespan of internal components and reduces the need for large heat sinks or fans.
    Yes, many Class D amplifiers support bridge mode, allowing you to increase the power output when driving a single speaker or subwoofer. In bridge mode, the amplifier combines the power output from two channels into a single channel, effectively doubling the power delivered to the speaker. However, it's essential to follow the manufacturer's guidelines and ensure that your amplifier supports bridging. Additionally, pay attention to the speaker's impedance requirements, as bridging may change the amplifier's impedance capabilities. If you're unsure or need assistance with bridging your Class D amplifier, contact Sonic Electronix's knowledgeable staff, who can help you find the right amplifier and configuration for your audio setup. With their compact size, high efficiency, and versatility, Class D amplifiers offer a compelling solution for various audio applications, delivering powerful and clear sound performance with minimal heat output.
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