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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.
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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.

MTX RFL600D Open Box

(Open Box) 1200W Max, RFL Series Class D Monoblock Amplifier

RFL600D big DISCONTINUED
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MTX RFL600D Open Box

(Open Box) 1200W Max, RFL Series Class D Monoblock Amplifier

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

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

Massive Audio N4 (Open Box)

4000W Max Nano Block Series Monoblock Amplifier (Open Box)

N4 big DISCONTINUED
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Massive Audio N4 (Open Box)

4000W Max Nano Block Series Monoblock Amplifier (Open Box)

Massive Audio N4 Nano Block Series Monoblock Car Amplifier • 4000W Max • 1 ohm Stable • MOSFET Power Supply • LED Power/Protect Indicators • Ultimate Mounting Flexibility • Mill Spec Double Sided PCB with SMD Parts

Massive Audio N4 Nano Block Series Monoblock Car Amplifier • 4000W Max • 1 ohm Stable • MOSFET Power Supply • LED Power/Protect Indicators • Ultimate Mounting Flexibility • Mill Spec Double Sided PCB with SMD Parts

NVX - Worth the Envy - Direct to Consumer Car Audio

Precision Power PPI PDX-10K (Rare Competition Amplifier) (Open Box)

10,000W RMS, Monoblock Class D PDX Series Car Amplifier

No picture DISCONTINUED
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Precision Power PPI PDX-10K (Rare Competition Amplifier) (Open Box)

10,000W RMS, Monoblock Class D PDX Series Car Amplifier

• RMS: 3700W x 1 @ 2 ohm, 6100W x 1 @ 1 ohm, 10000W x 1 @ 0.5 ohm
• Total RMS Power: 10000W
• CEA-2006 Compliant
• Bass Boost: 0-18 dB
• Class D Circuitry
• Dimensions: 12-5/8"W x 23-1/4"L x 2-3/4"H

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• RMS: 3700W x 1 @ 2 ohm, 6100W x 1 @ 1 ohm, 10000W x 1 @ 0.5 ohm
• Total RMS Power: 10000W
• CEA-2006 Compliant
• Bass Boost: 0-18 dB
• Class D Circuitry
• Dimensions: 12-5/8"W x 23-1/4"L x 2-3/4"H

Soundstream TRX1500D R/B

1500W RMS, Tarantula Series Class D Monoblock Amplifier

TRX1500D big DISCONTINUED
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Soundstream TRX1500D R/B

1500W RMS, Tarantula Series Class D Monoblock Amplifier

Tarantula Series Class D Monoblock Amplifier • 1500W RMS • 1100W RMS @ 2 Ohm x 1 Chan. • 800W RMS @ 4 Ohm x 1 Chan. • TST (Twin Stack Technology) • High Quality FR-4 Circuitry • Remote Bass Level Control Included

Tarantula Series Class D Monoblock Amplifier • 1500W RMS • 1100W RMS @ 2 Ohm x 1 Chan. • 800W RMS @ 4 Ohm x 1 Chan. • TST (Twin Stack Technology) • High Quality FR-4 Circuitry • Remote Bass Level Control Included

Hifonics ZRX3216.1D OPEN BOX COMPLETE

3200W Monoblock Zeus Series Super Class D Amplifier

ZRX3216.1D big DISCONTINUED
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Hifonics ZRX3216.1D OPEN BOX COMPLETE

3200W Monoblock Zeus Series Super Class D Amplifier

Used and previously installed
• RMS Power: 800W x 1 @ 4 ohm, 1600W x 1 @ 2 ohm, 3200W x 1 @ 1 ohm
• Total Peak Power: 3200W
• Low Pass Filter
• Dimensions: 10" W x 19.7" L x 2.4" H

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Used and previously installed
• RMS Power: 800W x 1 @ 4 ohm, 1600W x 1 @ 2 ohm, 3200W x 1 @ 1 ohm
• Total Peak Power: 3200W
• Low Pass Filter
• Dimensions: 10" W x 19.7" L x 2.4" H

Pioneer Premier PRS-D5000SPL R/B

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

PRS-D5000SPL big DISCONTINUED
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Pioneer Premier PRS-D5000SPL R/B

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)

1

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

Autotek AXL1050.2 (Factory Refurbished)

1000W Max 2-Channel AXL Series Class AB Car Amplifier

AXL1050.2 big DISCONTINUED
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Autotek AXL1050.2 (Factory Refurbished)

1000W Max 2-Channel AXL Series Class AB Car Amplifier

• 250W x 2 Chan. @ 4 ohm
• 500W x 2 Chan. @ 2 ohm
• 1000W x 1 Chan. @ 4 ohm
• 3-Way System Protection
• 2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• Illuminated Logo for Stylish and Unique Design

• 250W x 2 Chan. @ 4 ohm
• 500W x 2 Chan. @ 2 ohm
• 1000W x 1 Chan. @ 4 ohm
• 3-Way System Protection
• 2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• Illuminated Logo for Stylish and Unique Design

Soundstream TRX1000D R/B

1000W RMS, Class D Monoblock Tarantula Series Amplifier

TRX1000D big DISCONTINUED
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Soundstream TRX1000D R/B

1000W RMS, Class D Monoblock Tarantula Series Amplifier

Tarantula Series Monoblock Class D Car Amplifier • 500W x 1 chan. @ 4 ohm • 1000W RMS • Twin Stack Technology • Three-Way Protection Circuitry • Pre-Amp Outputs • Variable Low-Pass Filter

Tarantula Series Monoblock Class D Car Amplifier • 500W x 1 chan. @ 4 ohm • 1000W RMS • Twin Stack Technology • Three-Way Protection Circuitry • Pre-Amp Outputs • Variable Low-Pass Filter

Power Acoustik LFA1-2000D R/B

2000W Max, Class D Monoblock LFA Series Amplifier

LFA1-2000D big DISCONTINUED
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Power Acoustik LFA1-2000D R/B

2000W Max, Class D Monoblock LFA Series Amplifier

Class D Monoblock LFA Series Amplifier • 2000W Max • 600W x 1 Chan. @ 4Ohm • 900W x 1 Chan. @ 2Ohm • 1200W x 1 Chan. @ 1Ohm • PWM Power Supply • Wired Bass Remote • 1-Ohm Stable • Adjustable Tuned Bass EQ

Class D Monoblock LFA Series Amplifier • 2000W Max • 600W x 1 Chan. @ 4Ohm • 900W x 1 Chan. @ 2Ohm • 1200W x 1 Chan. @ 1Ohm • PWM Power Supply • Wired Bass Remote • 1-Ohm Stable • Adjustable Tuned Bass EQ

Clarion XC1410 Like New, Demo Product

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

XC1410 big DISCONTINUED
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Clarion XC1410 Like New, Demo Product

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

Like new Damaged Package
• 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

Like new Damaged Package
• 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

Planet Audio BB2400.1 R/B

Refurbished 3000W Max, Big Bang Series Class D Monoblock Amplifier with Remote Level Control

BB2400.1 big DISCONTINUED
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Planet Audio BB2400.1 R/B

Refurbished 3000W Max, Big Bang Series Class D Monoblock Amplifier with Remote Level Control

Big Bang Series Monoblock Class D Car Amplifier • 3000W Max • 2400W x 1-Chan @ 1 Ohm • Strap Two Amps Together for Twice the Power • Subsonic Filter • Variable Bass Boost (0 to +18 dB) • Wired Remote Bass Level Control

13

Big Bang Series Monoblock Class D Car Amplifier • 3000W Max • 2400W x 1-Chan @ 1 Ohm • Strap Two Amps Together for Twice the Power • Subsonic Filter • Variable Bass Boost (0 to +18 dB) • Wired Remote Bass Level Control

Planet Audio BB650.1 R/B

900W Max, Class D Monoblock Big Bang Amplifier

BB650.1-RB big DISCONTINUED
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Planet Audio BB650.1 R/B

900W Max, Class D Monoblock Big Bang Amplifier

Big Bang Series Monoblock Class D Car Amplifier • 350 Watts x 1 Chan. @ 4 Ohm • 600 Watts x 1 Chan. @ 2 Ohm • 900 Watts x 1 Chan. Max • MOSFET Power Supply • Tuned Bass Boost • Nickel Plated Connections • DC and Thermal Protection

Big Bang Series Monoblock Class D Car Amplifier • 350 Watts x 1 Chan. @ 4 Ohm • 600 Watts x 1 Chan. @ 2 Ohm • 900 Watts x 1 Chan. Max • MOSFET Power Supply • Tuned Bass Boost • Nickel Plated Connections • DC and Thermal Protection

MB Quart DSC 1500.1D (DSC1500.1D) Open Box

(Open Box) 1500W RMS, Discus Series Class D Monoblock Amplifier (DSC1500.1D)

DSC-1500.1D big DISCONTINUED
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MB Quart DSC 1500.1D (DSC1500.1D) Open Box

(Open Box) 1500W RMS, Discus Series Class D Monoblock Amplifier (DSC1500.1D)

Discus Series Class D Monoblock Car Amplifier • 375W x 1 chan. @ 4 ohm • 750W x 1 chan. @ 2 ohm • 1500W x 1 chan. @ 1 ohm • Unbalanced RCA inputs • Damping Factor: >180 • Subsonic Filter (15-35 Hz)

Discus Series Class D Monoblock Car Amplifier • 375W x 1 chan. @ 4 ohm • 750W x 1 chan. @ 2 ohm • 1500W x 1 chan. @ 1 ohm • Unbalanced RCA inputs • Damping Factor: >180 • Subsonic Filter (15-35 Hz)

Crunch DRA1850.1D (Factory Refurbished)

1800W Max V-Drive Series Class D Single Channel Monoblock Car Audio Amplifier

DRA1850.1D big DISCONTINUED
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Crunch DRA1850.1D (Factory Refurbished)

1800W Max V-Drive Series Class D Single Channel Monoblock Car Audio Amplifier

• Peak: 450W x 1 @ 4 ohm, 900W x 1 @ 2 ohm, 1800W x 1 @ 1 ohm
• Total Peak Power: 1800W
• Wired Bass Level Remote
• Bass Boost: 0-10 dB
• Illuminated Badge and Heatsink
• Dimensions: 12-3/16"L x 9-1/2"W x 2-1/8"H

• Peak: 450W x 1 @ 4 ohm, 900W x 1 @ 2 ohm, 1800W x 1 @ 1 ohm
• Total Peak Power: 1800W
• Wired Bass Level Remote
• Bass Boost: 0-10 dB
• Illuminated Badge and Heatsink
• Dimensions: 12-3/16"L x 9-1/2"W x 2-1/8"H

Rockford Fosgate R1200-1D Open Box

1200W RMS Prime Series Monoblock Class D Car Amplifier

R1200-1D big DISCONTINUED
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Rockford Fosgate R1200-1D Open Box

1200W RMS Prime Series Monoblock Class D Car Amplifier

Prime Series Monoblock Class D Car Amplifier • 400W RMS @ 4 ohm • 800W RMS @ 2 ohm • 1200W RMS @ 1 ohm • Remote Punch Level Control Included • Pream RCA Inputs and Outputs • Variable Low-Pass Filter • Variable Infrasonic Filter • CEA-2006 Compliant

Prime Series Monoblock Class D Car Amplifier • 400W RMS @ 4 ohm • 800W RMS @ 2 ohm • 1200W RMS @ 1 ohm • Remote Punch Level Control Included • Pream RCA Inputs and Outputs • Variable Low-Pass Filter • Variable Infrasonic Filter • CEA-2006 Compliant

Power Acoustik BAMF-4000/1D (BAMF4000/1D) R/B

4000W Max Class D Monoblock BAMF Series Amplifier (Refurbished)

BAMF-4000/1D big DISCONTINUED
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Power Acoustik BAMF-4000/1D (BAMF4000/1D) R/B

4000W Max Class D Monoblock BAMF Series Amplifier (Refurbished)

• 4000W Max Monoblock Class D Amplifier Car Amplifier
• 1200W x 1 Chan @ 4 ohm
• 1700W x 1 Chan @ 2 ohm
• 2200W x 1 Chan @ 1 ohm
• 4000 watts Max
• Adjustable Tuned Bass EQ
• PWM Power Supply

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• 4000W Max Monoblock Class D Amplifier Car Amplifier
• 1200W x 1 Chan @ 4 ohm
• 1700W x 1 Chan @ 2 ohm
• 2200W x 1 Chan @ 1 ohm
• 4000 watts Max
• Adjustable Tuned Bass EQ
• PWM Power Supply

Hifonics ZX1000 R/B

1000W RMS Zeus Series 2-Channel Amplifier

ZX1000 big DISCONTINUED
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Hifonics ZX1000 R/B

1000W RMS Zeus Series 2-Channel Amplifier

2-Channel Class A/B Amplifier • 500W RMS x 2 @ 2 • 1000W RMS x 1 @ 4 Bridged • Illuminated Logos • Bass Remote Included • Adjustable Input Gain • 0-18dB Bass Boost • Ultra-Fi Outputs • Built-In Crossover

2-Channel Class A/B Amplifier • 500W RMS x 2 @ 2 • 1000W RMS x 1 @ 4 Bridged • Illuminated Logos • Bass Remote Included • Adjustable Input Gain • 0-18dB Bass Boost • Ultra-Fi Outputs • Built-In Crossover

Hifonics ZRX3000.1D (Factory Refurbished)

3000W Max, Class D Monoblock Zeus Series Amplifier

ZRX3000.1D big DISCONTINUED
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Hifonics ZRX3000.1D (Factory Refurbished)

3000W Max, Class D Monoblock Zeus Series Amplifier

Zeus Series Single Channel Monoblock Class D Car Amplifier • 4 ohm: 750 watts x 1 chan. • 2 ohm: 1500 watts x 1 chan. • 1 ohm: 3000 watts x 1 chan. • Pulse Width Modulated (PWM) MOSFET Power Supply

Zeus Series Single Channel Monoblock Class D Car Amplifier • 4 ohm: 750 watts x 1 chan. • 2 ohm: 1500 watts x 1 chan. • 1 ohm: 3000 watts x 1 chan. • Pulse Width Modulated (PWM) MOSFET Power Supply

PowerBass Xtreme XAX-500D Factory Refurbished

500W RMS XAX Series Class D Monoblock Mini Amplifier

XAX-500D big DISCONTINUED
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PowerBass Xtreme XAX-500D Factory Refurbished

500W RMS XAX Series Class D Monoblock Mini Amplifier

• Item Condition: Factory Refurbished
XAX Series Monoblock Class D Mini Car Amplifier • 1000W MAX • High Efficiency SMD Circuit Technology • Damping Control Circuit • Blue LED Logo, Power And Speaker Terminal Lighting • Platinum-Plated Tiffany RCA Inputs

• Item Condition: Factory Refurbished
XAX Series Monoblock Class D Mini Car Amplifier • 1000W MAX • High Efficiency SMD Circuit Technology • Damping Control Circuit • Blue LED Logo, Power And Speaker Terminal Lighting • Platinum-Plated Tiffany RCA Inputs

Boss PH4000D R/B

Refurbished 4000W Max, Phantom Series Class D Monoblock Power Amplifier

PH4000D big DISCONTINUED
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Boss PH4000D R/B

Refurbished 4000W Max, Phantom Series Class D Monoblock Power Amplifier

Phantom Series Monoblock Class A/B Car Amplifier • 1600W x 1 Chan. @ 4 ohm • 4000W Max • MOSFET PWM Power Supply • Includes Bass Remote • 0 +/- 18 dB Bass Boost • Thermal and Speaker Short Protection

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Phantom Series Monoblock Class A/B Car Amplifier • 1600W x 1 Chan. @ 4 ohm • 4000W Max • MOSFET PWM Power Supply • Includes Bass Remote • 0 +/- 18 dB Bass Boost • Thermal and Speaker Short Protection

NVX - Worth the Envy - Direct to Consumer Car Audio
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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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    1981 Audi 4000 S

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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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