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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 (49)
Zeus Series (38)
KX Series (15)
MD Series (15)
Phantom Series (15)
X Series (15)
CX Series (14)
Picasso-Nano Series (14)
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Razor Series (12)
Apocalypse Series (11)
ONYX Series (11)
Reference Series (11)
VC Series (11)
Bass Series (10)
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Black Ice Series (9)
Tarantula Series (9)
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N Series (8)
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iON Series (7)
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Power Reference (7)
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Mean Machine Series (6)
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MOJO Pro Series (6)
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Alpha Series (5)
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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.

Mark Antony MK-1500X MK1500X

MK-1500X big DISCONTINUED
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Mark Antony MK-1500X MK1500X

1500W RMS (at 1 ohm) Competition MonoBlock amplifier • Bass remote included • for serious SPL competition only

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1500W RMS (at 1 ohm) Competition MonoBlock amplifier • Bass remote included • for serious SPL competition only

Power Acoustik PS1-4000D

4000W Max, Power Series Class D Monoblock Amplifier

PS1-4000D big DISCONTINUED
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Power Acoustik PS1-4000D

4000W Max, Power Series Class D Monoblock Amplifier

Power Series Class D Monoblock Car Amplifier • 1200W x 1 chan. @ 4 ohm • 1700W x 1 chan. @ 2 ohm • 2200W x 1 chan. @ 1 ohm • Full regulated PWM MOSFET power supply • Preamp RCA outputs • 4-Way Protection circuitry

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Power Series Class D Monoblock Car Amplifier • 1200W x 1 chan. @ 4 ohm • 1700W x 1 chan. @ 2 ohm • 2200W x 1 chan. @ 1 ohm • Full regulated PWM MOSFET power supply • Preamp RCA outputs • 4-Way Protection circuitry

Soundstream PCA2000D

Class D Monoblock Amplifier

PCA2000D big DISCONTINUED
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Soundstream PCA2000D

Class D Monoblock Amplifier

Monoblock Picasso Series Amplifier • 1100W RMS x 1 @ 4 • 20000W RMX x 1 @ 1 • Wired Remote • TST • Class D • Built-In Crossovers • IDI • Platinum RCA Connectors • Tri-Guard

Monoblock Picasso Series Amplifier • 1100W RMS x 1 @ 4 • 20000W RMX x 1 @ 1 • Wired Remote • TST • Class D • Built-In Crossovers • IDI • Platinum RCA Connectors • Tri-Guard

Precision Power PPI BK650.1D

650W RMS Monoblock Class D Black Ice Series Car Amplifier

BK650.1D big DISCONTINUED
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Precision Power PPI BK650.1D

650W RMS Monoblock Class D Black Ice Series Car Amplifier

• RMS: 240W x 1 @ 4 ohm, 450W x 1 @ 2 ohm, 650W x 1 @ 1 ohm
• Total RMS Power: 650W
• Remote Bass Knob Included!
• Switchable Bass Boost (0, +6, or +12 dB)
• Balanced Signal Input for Noise Rejection
• Dimensions: 11-1/2"L x 8-1/4"W x 2"H

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• RMS: 240W x 1 @ 4 ohm, 450W x 1 @ 2 ohm, 650W x 1 @ 1 ohm
• Total RMS Power: 650W
• Remote Bass Knob Included!
• Switchable Bass Boost (0, +6, or +12 dB)
• Balanced Signal Input for Noise Rejection
• Dimensions: 11-1/2"L x 8-1/4"W x 2"H

Boss OL4KD

4000W Max, Class D Monoblock Outlaw Series Amplifier

OL4KD big DISCONTINUED
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Boss OL4KD

4000W Max, Class D Monoblock Outlaw Series Amplifier

Boss Outlaw Monoblock Class D Car Amplifier • 1550W x 1 Chan. @ 4 ohm • 2800W x 1 Chan. @ 2 ohm • 4000W x 1 Chan. @ 1 ohm • Wired Remote Bass • Preamp RCA Outputs • Tuned Bass EQ • LED Indicators • Subsonic Filter

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Boss Outlaw Monoblock Class D Car Amplifier • 1550W x 1 Chan. @ 4 ohm • 2800W x 1 Chan. @ 2 ohm • 4000W x 1 Chan. @ 1 ohm • Wired Remote Bass • Preamp RCA Outputs • Tuned Bass EQ • LED Indicators • Subsonic Filter

Visonik VK1600.1D

1600W Mono Block Premium Car Audio Collection Amplifier

VK1600.1D big DISCONTINUED
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Visonik VK1600.1D

1600W Mono Block Premium Car Audio Collection Amplifier

Visonik Class D Mono Block Power Amplifier • 1600W RMS • MOSFET P.W.M Power Supply • LED Power and Protect Indicators • Variable Bass Boost • Variable Low-Pass Filter • Subsonic Filter

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Visonik Class D Mono Block Power Amplifier • 1600W RMS • MOSFET P.W.M Power Supply • LED Power and Protect Indicators • Variable Bass Boost • Variable Low-Pass Filter • Subsonic Filter

Hifonics Colossus (LTD Edition)

3200W RMS, Ultimate Performance Dual Monoblock Ultra Class D Amplifier

COLOSSUS-LTD big DISCONTINUED
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Hifonics Colossus (LTD Edition)

3200W RMS, Ultimate Performance Dual Monoblock Ultra Class D Amplifier

Dual Hybrid 2-Channel Class D Car Amplifier • 3200W RMS • 1600W x 2 Chan @ 1 Ohm • Wired HFR-G1 Remote Bass Level Control • Variable Bass Boost • Alloy Finned Heatsink

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Dual Hybrid 2-Channel Class D Car Amplifier • 3200W RMS • 1600W x 2 Chan @ 1 Ohm • Wired HFR-G1 Remote Bass Level Control • Variable Bass Boost • Alloy Finned Heatsink

Power Acoustik OV1-4000D

4000W Max, Gothic Series Class D Monoblock Amplifier

OV1-4000D big DISCONTINUED
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Power Acoustik OV1-4000D

4000W Max, Gothic Series Class D 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

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

Jensen POWER1500.5D

760W RMS Power Series 5-Channel Class D Car Amplifier (POWER 1500.5D)

POWER1500.5D big DISCONTINUED
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Jensen POWER1500.5D

760W RMS Power Series 5-Channel Class D Car Amplifier (POWER 1500.5D)

• Full-Range RMS: 60W x 4 @ 4 ohm, 90W x 4 @ 2 ohm
• Subwoofer RMS: 230W x 1 @ 4 ohm, 400W x 1 @ 2 ohm
• Wired Bass Remote Included
• Class D Circuitry
• Heavy Duty Aluminum Alloy Heatsink
• Dimensions: 8-1/8"W x 12-13/16"L x 2"H

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• Full-Range RMS: 60W x 4 @ 4 ohm, 90W x 4 @ 2 ohm
• Subwoofer RMS: 230W x 1 @ 4 ohm, 400W x 1 @ 2 ohm
• Wired Bass Remote Included
• Class D Circuitry
• Heavy Duty Aluminum Alloy Heatsink
• Dimensions: 8-1/8"W x 12-13/16"L x 2"H

Soundstream PCA1500D

1500W RMS, Class D Monoblock Picasso Series Amplifier

PCA1500D  big DISCONTINUED
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Soundstream PCA1500D

1500W RMS, Class D Monoblock Picasso Series Amplifier

Monoblock Picasso Series Amplifier • 800W RMS x 1 @ 4 • 1500W RMX x 1 @ 1 • Wired Remote • TST • Class D • Built-In Crossovers • IDI • Platinum RCA Connectors • Tri-Guard

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Monoblock Picasso Series Amplifier • 800W RMS x 1 @ 4 • 1500W RMX x 1 @ 1 • Wired Remote • TST • Class D • Built-In Crossovers • IDI • Platinum RCA Connectors • Tri-Guard

Precision Power PPI DCX 500.1

Class-D Monoblock Competition Car Amplifier

DCX-500.1 big DISCONTINUED
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Precision Power PPI DCX 500.1

Class-D Monoblock Competition Car Amplifier

Class-D Monoblock Amplifier • 300W RMS x 1 @ 2 • 500W RMS x 1 @ 1 • QBASS PLUS Bass Boost • RCA Output • Phase Control • Adjustable Input Gain • Independant Output Crossover • PowerLOCK Connectors

Class-D Monoblock Amplifier • 300W RMS x 1 @ 2 • 500W RMS x 1 @ 1 • QBASS PLUS Bass Boost • RCA Output • Phase Control • Adjustable Input Gain • Independant Output Crossover • PowerLOCK Connectors

Xtant X1001

Class D Monoblock Amplifier

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Xtant X1001

Class D Monoblock Amplifier

1000 Watt Mono Amplifier • 1000W x 1 @ 2 & 1 Ohm • Stainless Steel Finish • 3-Way Protection Circuitry • PWM MOSFET Power Supply • LED Status Indicators • RCA Outputs

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1000 Watt Mono Amplifier • 1000W x 1 @ 2 & 1 Ohm • Stainless Steel Finish • 3-Way Protection Circuitry • PWM MOSFET Power Supply • LED Status Indicators • RCA Outputs

Kicker SX650.1

SX MonoBlock Class D Amplifier with Digital Sound Processing 04SX650.1

SX650.1 big DISCONTINUED
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Kicker SX650.1

SX MonoBlock Class D Amplifier with Digital Sound Processing 04SX650.1

650 watts RMS @ 2 ohm, Digital Signal Processing, "Sick Bay" monitoring system • Bass Remote

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650 watts RMS @ 2 ohm, Digital Signal Processing, "Sick Bay" monitoring system • Bass Remote

Hifonics BG-1900.1D

1900 Watts BRUTUS Gamma Mono Subwoofer Car Audio Amplifier

BG-1900.1D big DISCONTINUED
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Hifonics BG-1900.1D

1900 Watts BRUTUS Gamma Mono Subwoofer Car Audio Amplifier

• 1900 Watt Amplifier
• Monoblock Class D
• CEA-2006 Compliant
• Ultra-Fi™ MOSFET Technology

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• 1900 Watt Amplifier
• Monoblock Class D
• CEA-2006 Compliant
• Ultra-Fi™ MOSFET Technology

MB Quart OA2050.1D

2000W Mono Block Onyx Series Class D Amplifier

OA2050.1D big DISCONTINUED
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MB Quart OA2050.1D

2000W Mono Block Onyx Series Class D Amplifier

• RMS: 650W x 1 @ 4 ohm, 1300W x 1 @ 2 ohm, 2000W x 1 @ 1 ohm
• Total Peak Power: 2000W
• Fluid-Fets MOSFET Power Supply
• Q-Stasis Pre-Amplifier Stage
• Heavy Duty Aluminum Alloy Heat-Sink
• Dimensions: 9.50"W x 18.35"L x 2.34"H

2

• RMS: 650W x 1 @ 4 ohm, 1300W x 1 @ 2 ohm, 2000W x 1 @ 1 ohm
• Total Peak Power: 2000W
• Fluid-Fets MOSFET Power Supply
• Q-Stasis Pre-Amplifier Stage
• Heavy Duty Aluminum Alloy Heat-Sink
• Dimensions: 9.50"W x 18.35"L x 2.34"H

Hifonics BXX3000.1D

Brutus Series Class-D Monoblock 1-Ohm Stable Amplifier (3000W Peak)

BXX3000.1D big DISCONTINUED
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Hifonics BXX3000.1D

Brutus Series Class-D Monoblock 1-Ohm Stable Amplifier (3000W Peak)

• 700 Watts Peak x 1 @ 4 ohm
• 1400 Watts Peak x 1 @ 2 ohm
• 3000 Watts Peak x 1 @ 1 ohm
• Total Peak Power: 0200 Watts
• Low-Pass and Sub-Sonic Filters
• Variable Bass Boost
• Aluminum Heatsink

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• 700 Watts Peak x 1 @ 4 ohm
• 1400 Watts Peak x 1 @ 2 ohm
• 3000 Watts Peak x 1 @ 1 ohm
• Total Peak Power: 0200 Watts
• Low-Pass and Sub-Sonic Filters
• Variable Bass Boost
• Aluminum Heatsink

Lanzar MNX3000D

3000W Max, Monoblock Class D Mini Max Series Amplifier

MNX3000D big DISCONTINUED
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Lanzar MNX3000D

3000W Max, Monoblock Class D Mini Max Series Amplifier

• RMS: 625W x 1 @ 4 ohm, 975W x 1 @ 2 ohm, 1500W x 1 @ 1 ohm
• Peak: 1250W x 1 @ 4 ohm, 1950W x 1 @ 2 ohm, 3000W x 1 @ 1 ohm
• Class D Circuitry
• Bass Boost: 0-18 dB at 45 Hz
• Wired Bass Remote Control Included
• Dimensions: 8-1/9"W x 7-8/9 "L x 2-1/9"H

2

• RMS: 625W x 1 @ 4 ohm, 975W x 1 @ 2 ohm, 1500W x 1 @ 1 ohm
• Peak: 1250W x 1 @ 4 ohm, 1950W x 1 @ 2 ohm, 3000W x 1 @ 1 ohm
• Class D Circuitry
• Bass Boost: 0-18 dB at 45 Hz
• Wired Bass Remote Control Included
• Dimensions: 8-1/9"W x 7-8/9 "L x 2-1/9"H

SoundStorm FR4000.1 3000W RMS 1-Ohm Stable Monoblock Amplifier

4000W Max (3000W RMS) Force Series Class-D 1-Ohm Stable Monoblock Amplifier

FR4000.1 big DISCONTINUED
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SoundStorm FR4000.1 3000W RMS 1-Ohm Stable Monoblock Amplifier

4000W Max (3000W RMS) Force Series Class-D 1-Ohm Stable Monoblock Amplifier

• 1500 Watts RMS x 1 @ 4 ohm
• 3000 Watts RMS x 1 @ 2 ohm
• 3000 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 4000 Watts
• Variable low-pass filter: 50 - 150 Hz
• Variable Bass Boost: 0 to +18 dB bass boost
• Dimensions: 9.69"W x 13.375"L x 2.375"H

• 1500 Watts RMS x 1 @ 4 ohm
• 3000 Watts RMS x 1 @ 2 ohm
• 3000 Watts RMS x 1 @ 1 ohm
• Total Peak Power: 4000 Watts
• Variable low-pass filter: 50 - 150 Hz
• Variable Bass Boost: 0 to +18 dB bass boost
• Dimensions: 9.69"W x 13.375"L x 2.375"H

Nitro BMW-487

2000W Max, Class D Monoblock Amplifier with Bass Remote Control

BMW-487 big DISCONTINUED
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Nitro BMW-487

2000W Max, Class D Monoblock Amplifier with Bass Remote Control

BMW Series Monoblock Class D Car Amplifier • 400 Watts x 1 Chan. @ 4 Ohm • 750 Watts x 1 Chan. @ 2 Ohm • 2000 Watts Max • Preamp RCA outputs • 3-Way System Protection Circuitry (Thermal, Overload, Circuit)

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BMW Series Monoblock Class D Car Amplifier • 400 Watts x 1 Chan. @ 4 Ohm • 750 Watts x 1 Chan. @ 2 Ohm • 2000 Watts Max • Preamp RCA outputs • 3-Way System Protection Circuitry (Thermal, Overload, Circuit)

Phoenix Gold Xenon X1200.1

X1200.1 big DISCONTINUED
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Phoenix Gold Xenon X1200.1

1200 watt amplifier • 1200W x 1 (1-4 Ohm) • Xe.load, Xe.tune, Xe.flow • Built in High/Low Pass Crossovers • Bass Boost: 0-18dB • Variable input sensitivity

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1200 watt amplifier • 1200W x 1 (1-4 Ohm) • Xe.load, Xe.tune, Xe.flow • Built in High/Low Pass Crossovers • Bass Boost: 0-18dB • Variable input sensitivity

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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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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
    • You get the correct accessories the first time

    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.

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