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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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Reference Series (11)
VC Series (11)
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Black Ice Series (9)
Tarantula Series (9)
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N Series (8)
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Power Reference (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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Soundstream PN1.3000DX

3000W Peak (800W RMS) Class D Picasso Nano Series Monoblock Car Amplifier with Bass Remote

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Soundstream PN1.3000DX

3000W Peak (800W RMS) Class D Picasso Nano Series Monoblock Car Amplifier with Bass Remote

• 600 watts x 1 channel @ 2 ohm
• 800 watts x 1 channel @ 1 ohm
• Total RMS Power: 800 watts
• Class D 1 ohm Stable Monoblock Amplifier

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• 600 watts x 1 channel @ 2 ohm
• 800 watts x 1 channel @ 1 ohm
• Total RMS Power: 800 watts
• Class D 1 ohm Stable Monoblock Amplifier

Soundstream PN4.3500DX

3500W Peak (1200W RMS) Class D Picasso Nano Series 4-Channel Car Amplifier

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Soundstream PN4.3500DX

3500W Peak (1200W RMS) Class D Picasso Nano Series 4-Channel Car Amplifier

• 170 watts x 4 channel @ 4 ohm
• 300 watts x 4 channel @ 2 ohm
• Bridged: 600 watts x 2 channel @ 4 ohm
• Total RMS Power: 1200 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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• 170 watts x 4 channel @ 4 ohm
• 300 watts x 4 channel @ 2 ohm
• Bridged: 600 watts x 2 channel @ 4 ohm
• Total RMS Power: 1200 watts
• Class D 2 ohm Stable 4-Channel Amplifier

JL Audio XD600/6v2

600W RMS XDv2 Series 6-Channel Class D Full-Range Amplifier with High-Speed NexD Switching

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JL Audio XD600/6v2

600W RMS XDv2 Series 6-Channel Class D Full-Range Amplifier with High-Speed NexD Switching

• NexD™ Switching Technology
• Differential Balanced Input Section
• Advanced Rollback Protection
• Frequency Response: 12 Hz - 22 kHz (+0, -1dB)
• Detented, Calibrated Filter Freq. Potentiometer

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• NexD™ Switching Technology
• Differential Balanced Input Section
• Advanced Rollback Protection
• Frequency Response: 12 Hz - 22 kHz (+0, -1dB)
• Detented, Calibrated Filter Freq. Potentiometer

JL Audio HX300/1

300W Class D Full-Range Ultra-Compact Monoblock Amplifier for Powersport Vehicles / SSVs / UTVs / Motorcycles / Muscle Cars / HotRods / Cars

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JL Audio HX300/1

300W Class D Full-Range Ultra-Compact Monoblock Amplifier for Powersport Vehicles / SSVs / UTVs / Motorcycles / Muscle Cars / HotRods / Cars

• 160w x 1 @ 4ohm , 220w x 1 @ 3ohm , 300w x 1 @ 2ohm
• NexD™ ultra-high-speed switching design
• Black powder-coated finish
• Gasketed cover for the controls
• Stainless steel hardware for durability
• Accepts RCA (low-level) & Speaker-level (high-level) signal
• Signal to Noise Ration: 85 dB

2

• 160w x 1 @ 4ohm , 220w x 1 @ 3ohm , 300w x 1 @ 2ohm
• NexD™ ultra-high-speed switching design
• Black powder-coated finish
• Gasketed cover for the controls
• Stainless steel hardware for durability
• Accepts RCA (low-level) & Speaker-level (high-level) signal
• Signal to Noise Ration: 85 dB

Memphis SE2000.1V2

2000W Peak (570W RMS) Class D Street Edge Series Monoblock Car Amplifier with Bass Remote

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Memphis SE2000.1V2

2000W Peak (570W RMS) Class D Street Edge Series Monoblock Car Amplifier with Bass Remote

• 220 watts x 1 channel @ 4 ohm
• 380 watts x 1 channel @ 2 ohm
• 570 watts x 1 channel @ 1 ohm
• Total RMS Power: 570 watts
• Class D 1 ohm Stable Monoblock Amplifier

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• 220 watts x 1 channel @ 4 ohm
• 380 watts x 1 channel @ 2 ohm
• 570 watts x 1 channel @ 1 ohm
• Total RMS Power: 570 watts
• Class D 1 ohm Stable Monoblock Amplifier

Power Acoustik MOFO1-10KD

10000W Peak 4000W RMS MOFO Series Class D Monoblock Car Amplifier with Bass Remote

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Power Acoustik MOFO1-10KD

10000W Peak 4000W RMS MOFO Series Class D Monoblock Car Amplifier with Bass Remote

• 1700 watts x 1 channel @ 4 ohm
• 2600 watts x 1 channel @ 2 ohm
• 4000 watts x 1 channel @ 1 ohm
• Total RMS Power: 4000 watts
• Class D 1 ohm Stable Monoblock Amplifier

• 1700 watts x 1 channel @ 4 ohm
• 2600 watts x 1 channel @ 2 ohm
• 4000 watts x 1 channel @ 1 ohm
• Total RMS Power: 4000 watts
• Class D 1 ohm Stable Monoblock Amplifier

Hifonics BXX4000.1D (BXX40001D)

4000W Max Brutus Series Super Class D 1-Ohm Stable Monoblock Amplifier w/ Bass Knob Included

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Hifonics BXX4000.1D (BXX40001D)

4000W Max Brutus Series Super Class D 1-Ohm Stable Monoblock Amplifier w/ Bass Knob Included

• 1000W Max x 1 @ 4 ohm
• 2000W Max x 1 @ 2 ohm
• 4000W Max x 1 @ 1 ohm
• Total Peak Power: 4000 Watts
• Low Pass and Subsonic Filters
• 0-10 Bass Boost
• Aluminum Heatsink
• 9.2" W x 23.1" L x 2.5" H

3

• 1000W Max x 1 @ 4 ohm
• 2000W Max x 1 @ 2 ohm
• 4000W Max x 1 @ 1 ohm
• Total Peak Power: 4000 Watts
• Low Pass and Subsonic Filters
• 0-10 Bass Boost
• Aluminum Heatsink
• 9.2" W x 23.1" L x 2.5" H

NVX XAD11

700W RMS X-Series Full-Bridge Class D 1-Ohm Stable Monoblock Amplifier

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NVX XAD11

700W RMS X-Series Full-Bridge Class D 1-Ohm Stable Monoblock Amplifier

• 320 watts x 1 channel @ 4 ohm
• 360 watts x 1 channel @ 2 ohm
• 700 watts x 1 channel @ 1 ohm
• Total RMS Power: 700 watts
• Frequency Response: 10 - 300 Hz
• CEA-2006 Compliant Amplifier

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• 320 watts x 1 channel @ 4 ohm
• 360 watts x 1 channel @ 2 ohm
• 700 watts x 1 channel @ 1 ohm
• Total RMS Power: 700 watts
• Frequency Response: 10 - 300 Hz
• CEA-2006 Compliant Amplifier

Precision Power NTA1500.1

1500W RMS Class D Monoblock Subwoofer Car Amplifier

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Precision Power NTA1500.1

1500W RMS Class D Monoblock Subwoofer Car Amplifier

• 700 watts x 1 channel @ 4 ohm
• 1000 watts x 1 channel @ 2 ohm
• 1500 watts x 1 channel@ 4 ohm Bridged
• Total RMS Power: 1500 watts
• Class D 2 ohm Stable Monoblock Amplifier

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• 700 watts x 1 channel @ 4 ohm
• 1000 watts x 1 channel @ 2 ohm
• 1500 watts x 1 channel@ 4 ohm Bridged
• Total RMS Power: 1500 watts
• Class D 2 ohm Stable Monoblock Amplifier

American Bass XFL-DC4090

1000W Peak (600W RMS) Class D XFL Series 4 Channel Car Amplifier

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American Bass XFL-DC4090

1000W Peak (600W RMS) Class D XFL Series 4 Channel Car Amplifier

• 80 watts x 4 channel @ 4 ohm
• 150 watts x 4 channel @ 2 ohm
• Bridged: 300 watts x 2 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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• 80 watts x 4 channel @ 4 ohm
• 150 watts x 4 channel @ 2 ohm
• Bridged: 300 watts x 2 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 4-Channel Amplifier

Soundstream Tarantula Series 4000 Watt Monoblock Car Audio Amplifier (4 Pack)

Soundstream Tarantula Series 4000 Watt Monoblock Car Audio Amplifier (4 Pack)

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Soundstream Tarantula Series 4000 Watt Monoblock Car Audio Amplifier (4 Pack)

Soundstream Tarantula Series 4000 Watt Monoblock Car Audio Amplifier (4 Pack)

• RMS: 700W x 1 @ 4 ohm, 1300W x 1 @ 2 ohm, 2000W x 1 @ 1 ohm
• Total Peak Power: 4000W
• Dash Mount Gain Control Module Included
• Multi-color RGB LED Illumination Accent Lighting
• DataLink for Strapping Two Amps for Double Power
• 9"W x 18"L x 2.5"H

15

• RMS: 700W x 1 @ 4 ohm, 1300W x 1 @ 2 ohm, 2000W x 1 @ 1 ohm
• Total Peak Power: 4000W
• Dash Mount Gain Control Module Included
• Multi-color RGB LED Illumination Accent Lighting
• DataLink for Strapping Two Amps for Double Power
• 9"W x 18"L x 2.5"H

Memphis VIV3000.1V2

3000W RMS Class D SixFive Series Monoblock Car Amplifier

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Memphis VIV3000.1V2

3000W RMS Class D SixFive Series Monoblock Car Amplifier

• 850 watts x 1 channel @ 4 ohm
• 1600 watts x 1 channel @ 2 ohm
• 3000 watts x 1 channel @ 1 ohm
• Total RMS Power: 3000 watts
• Class D 1 ohm Stable Monoblock Amplifier

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• 850 watts x 1 channel @ 4 ohm
• 1600 watts x 1 channel @ 2 ohm
• 3000 watts x 1 channel @ 1 ohm
• Total RMS Power: 3000 watts
• Class D 1 ohm Stable Monoblock Amplifier

Memphis PRX1500.1V

1500W RMS Power Reference Series Class-D Monoblock Amplifier with Bass Remote

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Memphis PRX1500.1V

1500W RMS Power Reference Series Class-D Monoblock Amplifier with Bass Remote

• 600 watts x 1 channel @ 4 ohm
• 1000 watts x 1 channel @ 2 ohm
• 1500 watts x 1 channel @ 1 ohm
• Total RMS Power: 1500 watts
• Class D 1 ohm Stable Monoblock Amplifier

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• 600 watts x 1 channel @ 4 ohm
• 1000 watts x 1 channel @ 2 ohm
• 1500 watts x 1 channel @ 1 ohm
• Total RMS Power: 1500 watts
• Class D 1 ohm Stable Monoblock Amplifier

JL Audio XD1000/1v2

1000W XDv2 Series Monoblock Class D Subwoofer Amplifier with High-Speed NexD Switching

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JL Audio XD1000/1v2

1000W XDv2 Series Monoblock Class D Subwoofer Amplifier with High-Speed NexD Switching

• NexD Switching Technology
• Dual-Range Differential Balanced Input Section
• Advanced Rollback Protection
• Selectable Low-Pass Filter Slope: 12 dB or 24 dB
• Detented, Calibrated Filter Freq. Potentiometer

2

• NexD Switching Technology
• Dual-Range Differential Balanced Input Section
• Advanced Rollback Protection
• Selectable Low-Pass Filter Slope: 12 dB or 24 dB
• Detented, Calibrated Filter Freq. Potentiometer

Precision Power (PPI) A700.4D

700W RMS Class D ATOM Series 4-Channel Full Range Car Amplifier

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Precision Power (PPI) A700.4D

700W RMS Class D ATOM Series 4-Channel Full Range Car Amplifier

• 100 watts x 4 channel @ 4 ohm
• 175 watts x 4 channel @ 2 ohm
• Bridged: 350 watts x 2 channel @ 4 ohm
• Total RMS Power: 700 watts
• Class D 2 ohm Stable 4-Channel-Channel Amplifier

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• 100 watts x 4 channel @ 4 ohm
• 175 watts x 4 channel @ 2 ohm
• Bridged: 350 watts x 2 channel @ 4 ohm
• Total RMS Power: 700 watts
• Class D 2 ohm Stable 4-Channel-Channel Amplifier

Taramps HD 3000 (HD 3000 - 2 OHM)

3000W RMS Class D HD Series 2-ohm Monoblock Car Amplifier

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Taramps HD 3000 (HD 3000 - 2 OHM)

3000W RMS Class D HD Series 2-ohm Monoblock Car Amplifier

• 3000 watts x 1 channel @ 2 ohm
• 2025 watts x 1 channel @ 1 ohm
• Total RMS Power: 3000 watts
• Class D 2 ohm Stable Monoblock Amplifier

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• 3000 watts x 1 channel @ 2 ohm
• 2025 watts x 1 channel @ 1 ohm
• Total RMS Power: 3000 watts
• Class D 2 ohm Stable Monoblock Amplifier

Focal FDP6.900

Class D 6-Channel Amplifier (150W RMS x 6 @ 4 Ohms)

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Focal FDP6.900

Class D 6-Channel Amplifier (150W RMS x 6 @ 4 Ohms)

• Class D Amplifier
• 150W RMS x 6 at 4 ohm
• 200 W RMS x 4 + 250 W RMS x 2 at 2 ohm
• Bridged mode (4 Ohm): 600W RMS x 1
• Very small size for the amount of power
• Highest level of crossover flexibility

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• Class D Amplifier
• 150W RMS x 6 at 4 ohm
• 200 W RMS x 4 + 250 W RMS x 2 at 2 ohm
• Bridged mode (4 Ohm): 600W RMS x 1
• Very small size for the amount of power
• Highest level of crossover flexibility

Memphis MJP750.1

750W RMS Class D MOJO Pro Series Monoblock Car Amplifier with Bass Remote

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Memphis MJP750.1

750W RMS Class D MOJO Pro Series Monoblock Car Amplifier with Bass Remote

• 300 watts x 1 channel @ 4 ohm
• 500 watts x 1 channel @ 2 ohm
• 750 watts x 1 channel @ 1 ohm
• Total RMS Power: 750 watts
• Class D 1 ohm Stable Monoblock Amplifier

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• 300 watts x 1 channel @ 4 ohm
• 500 watts x 1 channel @ 2 ohm
• 750 watts x 1 channel @ 1 ohm
• Total RMS Power: 750 watts
• Class D 1 ohm Stable Monoblock Amplifier

Planet Audio BBD4000

4000W Max (2000W RMS) Big Bang Series 4 ohm Stable Monoblock Amplifier w/ Remote Level Control

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Planet Audio BBD4000

4000W Max (2000W RMS) Big Bang Series 4 ohm Stable Monoblock Amplifier w/ Remote Level Control

• 1500 Watts RMS x 1 @ 4 ohm
• 2000 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 4000 Watts
• CEA-2006 Compliant/
• 0 to 18dB Bass Boost
• Subwoofer Level Control Included

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• 1500 Watts RMS x 1 @ 4 ohm
• 2000 Watts RMS x 1 @ 2 ohm
• Total Peak Power: 4000 Watts
• CEA-2006 Compliant/
• 0 to 18dB Bass Boost
• Subwoofer Level Control Included

Soundstream ST5.1300D

1300W Peak (660W RMS) Class D Stealth Series 5-Channel Amplifier with Bass Remote

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Soundstream ST5.1300D

1300W Peak (660W RMS) Class D Stealth Series 5-Channel Amplifier with Bass Remote

• 60 watts x 4 channel + 220 watts x 1 channel @ 4 ohm
• 90 watts x 4 channel + 300 watts x 1 channel @ 2 ohm
• Total RMS Power: 660 watts
• Class D 2 ohm Stable 5-Channel Amplifier

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• 60 watts x 4 channel + 220 watts x 1 channel @ 4 ohm
• 90 watts x 4 channel + 300 watts x 1 channel @ 2 ohm
• Total RMS Power: 660 watts
• Class D 2 ohm Stable 5-Channel Amplifier

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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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