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  1. Home
  2. Discontinued Car Audio & Electronics
  3. Discontinued Car Amplifiers
  4. Discontinued 2-Channel Amplifiers

Discontinued 2-Channel Amplifiers

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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.
PowerZone Series (19)
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XD-v2 Series (1)
Xenith Series (1)
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ZRS Series (1)
ZTX Series (1)
Minimum Impedance Unbridged
The lowest impedance the amplifier will handle when it is not bridged.
Minimum Impedance Bridged
The lowest impedance the amplifier will handle when it is bridged.
Remote bass/level controller
If the amp comes with a bass/gain remote you will be able to control the level of your bass from your dashboard. Typically bass remotes also include a 16-20 ft. wire for installation.
Sonic Certified Amplifier
Sonic Certified amplifiers have been tested by the experts at Sonic Electronix to meet or exceed the wattage ratings provided by the manufacturer. If this is marked as Yes, then you can trust the wattage ratings. If marked as No, then we have tested the amplifier and it did not meet the advertised wattage ratings. If marked as Not Tested, then the Sonic Electronix experts have not yet been able to test the amp.
Preamp Outputs
Many amplifiers are equipped with RCA preamp outputs which pass the original music signal from the source to additional amplifiers. This is known as daisy chaining because the source connects to the first amp, and the first amp connects to the second amp, etc. The advantage to daisy chaining is you only need one 2-channel RCA cable to transfer the signal from the head-unit to the amplifier, and then one additional cable for each amp being daisy chained.
Built-in Crossover

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

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

Amp Bluetooth Connectivity
This feature will tell you if the amplifier has the capability to connect to a Bluetooth device.
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Condition

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Polk Audio PA D2000.2 (PAD2000.2) - Open Box, Good Condition (Used)

500W RMS PA D Series Class-D 2-channel Car Amplifier Open Box Complete (Good, Used)

PA D2000.2 big DISCONTINUED
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Polk Audio PA D2000.2 (PAD2000.2) - Open Box, Good Condition (Used)

500W RMS PA D Series Class-D 2-channel Car Amplifier Open Box Complete (Good, Used)

• 125 Watts RMS x 2 @ 4 ohm
• 250 Watts RMS x 2 @ 2 ohm
• 500 Watts RMS x 1 @ 4 ohm, Bridged
• Mono or 2-Channel Operation
• CEA-2006 Compliant
• Signal to Noise Ration: 105 dBA
• Selectable crossover modes: FULL / HPF / LPF
• Dimensions: 6-3/4" W x 8-1/4" L x 1-13/16" H

• 125 Watts RMS x 2 @ 4 ohm
• 250 Watts RMS x 2 @ 2 ohm
• 500 Watts RMS x 1 @ 4 ohm, Bridged
• Mono or 2-Channel Operation
• CEA-2006 Compliant
• Signal to Noise Ration: 105 dBA
• Selectable crossover modes: FULL / HPF / LPF
• Dimensions: 6-3/4" W x 8-1/4" L x 1-13/16" H

Hifonics Zeus ZRX500.2

500W Max 2-Channel Class A/B Zeus Series Car Amplifier

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Hifonics Zeus ZRX500.2

500W Max 2-Channel Class A/B Zeus Series Car Amplifier

• 4 ohm: 125 watts x 2 chan.
• 2 ohm: 250 watts x 2 chan.
• Bridged, 4 ohm: 500 watts x 1 chan.
• Pulse Width Modulated MOSFET Power Supply

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• 4 ohm: 125 watts x 2 chan.
• 2 ohm: 250 watts x 2 chan.
• Bridged, 4 ohm: 500 watts x 1 chan.
• Pulse Width Modulated MOSFET Power Supply

Audiobahn AMA12002H

600W RMS, 2-Channel Class A/B Murdered Out Series Car Amplifier

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Audiobahn AMA12002H

600W RMS, 2-Channel Class A/B Murdered Out Series Car Amplifier

• 150W x 2 Chan. @ 4 ohm
• 300W x 2 Chan. @ 2 ohm
• 600W x 1 Chan. @ 4 ohm
• 4-Way System Protection
• 2/1 Channel Operation
• 8 Gauge Power and Ground Inputs
• Power and Protect Indicators

• 150W x 2 Chan. @ 4 ohm
• 300W x 2 Chan. @ 2 ohm
• 600W x 1 Chan. @ 4 ohm
• 4-Way System Protection
• 2/1 Channel Operation
• 8 Gauge Power and Ground Inputs
• Power and Protect Indicators

Cadence XAM400.2

800W 2-Channel Xenith (XAM) Series Class D Full Range Amplifier

XAM400.2 big DISCONTINUED
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Cadence XAM400.2

800W 2-Channel Xenith (XAM) Series Class D Full Range Amplifier

• RMS: 125W x 2 @ 4 ohm, 200W x 2 @ 2 ohm, Bridged, 4 ohm: 400 watts x 1 chan.
• Total Peak Power: 800W
• Full Range Digital Amplifier
• Top Mount Backlit Plexiglass control area
• Aluminum Extruded Chassis
• 11.18" L x 5.00" W x 2.00" H

• RMS: 125W x 2 @ 4 ohm, 200W x 2 @ 2 ohm, Bridged, 4 ohm: 400 watts x 1 chan.
• Total Peak Power: 800W
• Full Range Digital Amplifier
• Top Mount Backlit Plexiglass control area
• Aluminum Extruded Chassis
• 11.18" L x 5.00" W x 2.00" H

Boss RGT1200

1200W Peak (900W RMS) Rage Series Class-A/B 2-Channel 2-Ohm Stable Amplifier

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Boss RGT1200

1200W Peak (900W RMS) Rage Series Class-A/B 2-Channel 2-Ohm Stable Amplifier

• 225 Watts RMS x 2 @ 4 ohm
• 450 Watts RMS x 2 @ 2 ohm
• 900 Watts RMS x 1 @ 4 ohm Bridged
• Total Peak Power: 1200 Watts
• Variable low-pass filter: 50 - 250 Hz
• Fixed high-pass filter: 200 Hz
• Variable Bass Boost: 0 to +18 dB bass boost
• Dimensions: 10"W x 12.7"L x 2"H

• 225 Watts RMS x 2 @ 4 ohm
• 450 Watts RMS x 2 @ 2 ohm
• 900 Watts RMS x 1 @ 4 ohm Bridged
• Total Peak Power: 1200 Watts
• Variable low-pass filter: 50 - 250 Hz
• Fixed high-pass filter: 200 Hz
• Variable Bass Boost: 0 to +18 dB bass boost
• Dimensions: 10"W x 12.7"L x 2"H

Audiobahn A4002T

800W Max, 2-Channel Intake Series Amplifier

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Audiobahn A4002T

800W Max, 2-Channel Intake Series Amplifier

800W Max, Intake 2-Channel Amplifier • Optional bass remote and digital volt-meter display available and sold separately • Class A/B • 400W RMS @ 2 ohm • 200W RMS @ 4 ohm • Preamp outputs • Cobalt Blue Illumination • Intake cooling fan • 4-way protection circuitry

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800W Max, Intake 2-Channel Amplifier • Optional bass remote and digital volt-meter display available and sold separately • Class A/B • 400W RMS @ 2 ohm • 200W RMS @ 4 ohm • Preamp outputs • Cobalt Blue Illumination • Intake cooling fan • 4-way protection circuitry

Audiobahn A2200HCJ

2000W 2-Channel Class AB High Current Car Amplifier

A2200HCJ big DISCONTINUED
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Audiobahn A2200HCJ

2000W 2-Channel Class AB High Current Car Amplifier

2-Channel Class AB High Current Car Amplifier • 300W x 2 Chan @ 4 Ohm • 600W x 2 Chan @ 2 Ohm • 2000W x 1 Chan @ 1 Ohm • High Gloss Chrome-Plated Finish • Dual Cooling Fans • Chrome Flame Fan Grilles

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2-Channel Class AB High Current Car Amplifier • 300W x 2 Chan @ 4 Ohm • 600W x 2 Chan @ 2 Ohm • 2000W x 1 Chan @ 1 Ohm • High Gloss Chrome-Plated Finish • Dual Cooling Fans • Chrome Flame Fan Grilles

Kicker PXiBT100.2 (42PXiBT1002)

200W Peak (100W RMS) 2-Channel Amplifier with Remote Level Control w/ Bluetooth and Bass Controller

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Kicker PXiBT100.2 (42PXiBT1002)

200W Peak (100W RMS) 2-Channel Amplifier with Remote Level Control w/ Bluetooth and Bass Controller

• 25 Watts RMS x 2 @ 4 ohm
• 50 Watts RMS x 2 @ 2 ohm
• Total Peak Power: 200 Watts
• Weather proof for motorcycle, ATV and classic car applications
• Heavy duty aluminum alloy heat-sink for extreme heat dissipation
• Dimensions: 3-7/16"W x 7"L x 1-5/8"H

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• 25 Watts RMS x 2 @ 4 ohm
• 50 Watts RMS x 2 @ 2 ohm
• Total Peak Power: 200 Watts
• Weather proof for motorcycle, ATV and classic car applications
• Heavy duty aluminum alloy heat-sink for extreme heat dissipation
• Dimensions: 3-7/16"W x 7"L x 1-5/8"H

Dual XIA5600

2-Channel XIA Series Amplifier

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Dual XIA5600

2-Channel XIA Series Amplifier

XIA Series 2-Channel Class AB Car Amplifier • 200W x 2 chan. @ 4 ohm • 250W x 2 chan. @ 2 ohm • 500W x 2 chan. Max • Pulse Width Modulated (PWM) MOSFET power supply • Thermal, reverse polarity, and short circuit protection circuitry

XIA Series 2-Channel Class AB Car Amplifier • 200W x 2 chan. @ 4 ohm • 250W x 2 chan. @ 2 ohm • 500W x 2 chan. Max • Pulse Width Modulated (PWM) MOSFET power supply • Thermal, reverse polarity, and short circuit protection circuitry

RE Audio ZTX-1000.2

310W RMS 2-Channel Class AB ZTX Series Car Amplifier

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RE Audio ZTX-1000.2

310W RMS 2-Channel Class AB ZTX Series Car Amplifier

• ZTX Series 2-Channel Class AB Amplifier
• 120W x 2 Chan. @ 4 ohm
• 180W x 2 Chan. @ 2 ohm
• 310W x 1 Chan. @ 4 ohm
• 3-Way System Protection
• 2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• Variable Bass Boost 0-24 dB

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• ZTX Series 2-Channel Class AB Amplifier
• 120W x 2 Chan. @ 4 ohm
• 180W x 2 Chan. @ 2 ohm
• 310W x 1 Chan. @ 4 ohm
• 3-Way System Protection
• 2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• Variable Bass Boost 0-24 dB

Boss CXX2002

1000W RMS Class AB 2-Channel Chaos Exxtreme Series Amplifier

6-Year Manufacturer's Extended Warranty When Bought Here!

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Boss CXX2002

1000W RMS Class AB 2-Channel Chaos Exxtreme Series Amplifier

• 300W x 2 Chan. @ 4 ohm
• 1000W x 1 Chan. @ 4 ohm
• 3-Way System Protection
• 2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• 2 Ohm Stable Stereo Operation with Power Output Increase

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6-Year Manufacturer's Extended Warranty When Bought Here!

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• 300W x 2 Chan. @ 4 ohm
• 1000W x 1 Chan. @ 4 ohm
• 3-Way System Protection
• 2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• 2 Ohm Stable Stereo Operation with Power Output Increase

Sound Storm SSL CR2400.2

2400W Max, 2-Channel Cruiser Series Amplifier

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Sound Storm SSL CR2400.2

2400W Max, 2-Channel Cruiser Series Amplifier

Cruiser Series 2-Channel Class AB Car Amplifier • 400W x 2 chan. @ 4 ohm • 1200W x 2 chan. Max • LED power and protection indicators • Variable input gain control • Gold-plated RCA level inputs and terminals • Remote level subwoofer control

Cruiser Series 2-Channel Class AB Car Amplifier • 400W x 2 chan. @ 4 ohm • 1200W x 2 chan. Max • LED power and protection indicators • Variable input gain control • Gold-plated RCA level inputs and terminals • Remote level subwoofer control

Clarion APX2180

320W Max, 2-Channel Power Amplifier (APX 2180)

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Clarion APX2180

320W Max, 2-Channel Power Amplifier (APX 2180)

Power Series 2-Channel Class A/B Car Amplifier • 90 Watts x 2 Chan. @ 4 Ohm • 150 Watts x 2 Chan. @ 2 Ohm • 300 Watts x 1 Chan. @ 4 Ohm • Speaker-Level Inputs • Compact Footprint • Ground Loop Isolated RCA Inputs

Power Series 2-Channel Class A/B Car Amplifier • 90 Watts x 2 Chan. @ 4 Ohm • 150 Watts x 2 Chan. @ 2 Ohm • 300 Watts x 1 Chan. @ 4 Ohm • Speaker-Level Inputs • Compact Footprint • Ground Loop Isolated RCA Inputs

Boss CE2002

2000W Chaos Epic Series 2-Channel Power Amplifier with Line and Speaker Level Inputs

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Boss CE2002

2000W Chaos Epic Series 2-Channel Power Amplifier with Line and Speaker Level Inputs

Chaos Epic Series 2-Channel Power Amplifier • 720W RMS • 2000W Max • MOSFET Power Supply • LED Power and Protect Indicators • Variable Input Gain Control • 2-Way System Protection Circuitry • Heavy Duty Black Anodized Aluminum Heatsink

Chaos Epic Series 2-Channel Power Amplifier • 720W RMS • 2000W Max • MOSFET Power Supply • LED Power and Protect Indicators • Variable Input Gain Control • 2-Way System Protection Circuitry • Heavy Duty Black Anodized Aluminum Heatsink

Pioneer GM-3300T

2-Channel Car Amplifier

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Pioneer GM-3300T

2-Channel Car Amplifier

2-Channel Amplifier • 4 ohm: 60 watts x 2 • 2 ohm: 75 watts x 2 • Bridged, 4 ohm: 150 watts x 1 • Beat Frequency Control switch • Gain Control • Low-Pass-Filter select switch • Speaker output terminal • S/N ratio: 100 dB

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2-Channel Amplifier • 4 ohm: 60 watts x 2 • 2 ohm: 75 watts x 2 • Bridged, 4 ohm: 150 watts x 1 • Beat Frequency Control switch • Gain Control • Low-Pass-Filter select switch • Speaker output terminal • S/N ratio: 100 dB

Precision Power PPI A800/2

800W Max, 2-Channel Car Amplifier

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Precision Power PPI A800/2

800W Max, 2-Channel Car Amplifier

800W 2-Channel Amplifier • 125W x 2 chan. @ 4 Ohm • 220W x 2 chan. @ 2 Ohm • MOSFET power supply • Class AB circuitry • Q BASS • power/protection indicator • extruded heatsink with internal fins

800W 2-Channel Amplifier • 125W x 2 chan. @ 4 Ohm • 220W x 2 chan. @ 2 Ohm • MOSFET power supply • Class AB circuitry • Q BASS • power/protection indicator • extruded heatsink with internal fins

EFX HD2250 by Scosche

500W Max, 2-Channel Amplifier (HD-2250)

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EFX HD2250 by Scosche

500W Max, 2-Channel Amplifier (HD-2250)

500W 2-Channel Amplifier • 100W x 2 chan. @ 4 Ohm • 125W x 2 chan. @ 2 Ohm • extruded aluminum heatsink • overheating/short circuit protection • soft start turn-on/off • RCA line/speaker inputs

500W 2-Channel Amplifier • 100W x 2 chan. @ 4 Ohm • 125W x 2 chan. @ 2 Ohm • extruded aluminum heatsink • overheating/short circuit protection • soft start turn-on/off • RCA line/speaker inputs

Kenwood KAC-5204

350W Max, 2-Channel Amplifier

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Kenwood KAC-5204

350W Max, 2-Channel Amplifier

GUARANTEED LOWEST PRICE. CONTACT US 24/7 • 2-Channel Class A/B Car Amplifier • 60W x 2 Chan. @ 4 Ohm • 75W x 2 Chan. @ 2 Ohm • 150W x 1 Chan. @ 4 Ohm • 175W x 2 Chan. Max • MOSFET Power Supply • Speaker-Level Inputs • Aluminum Die Cast Heat Sink •

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GUARANTEED LOWEST PRICE. CONTACT US 24/7 • 2-Channel Class A/B Car Amplifier • 60W x 2 Chan. @ 4 Ohm • 75W x 2 Chan. @ 2 Ohm • 150W x 1 Chan. @ 4 Ohm • 175W x 2 Chan. Max • MOSFET Power Supply • Speaker-Level Inputs • Aluminum Die Cast Heat Sink •

Hifonics Boltar 2K

900W RMS 2-Channel Mt. Olympus Series Amplifier

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Hifonics Boltar 2K

900W RMS 2-Channel Mt. Olympus Series Amplifier

• RMS Power: 350W x 2 @ 4 ohm, 500W x 2 @ 2 ohm
• Wired Remote Bass Level Control
• CEA-2006 Compliant
• Parametric Equalizer
• Preamp Outputs
• 21-3/4" L x 9" W x 2-3/4" H

• RMS Power: 350W x 2 @ 4 ohm, 500W x 2 @ 2 ohm
• Wired Remote Bass Level Control
• CEA-2006 Compliant
• Parametric Equalizer
• Preamp Outputs
• 21-3/4" L x 9" W x 2-3/4" H

Absolute PRO 2800B (PRO2800B - Black)

800W Max, 2-Channel PRO Digital Series Amplifier

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Absolute PRO 2800B (PRO2800B - Black)

800W Max, 2-Channel PRO Digital Series Amplifier

Pro Digital Series Amplifier • 2-Channel • 200W x2 Chan. @ 4 Ohm • 400W x2 Chan. @ 2 Ohm • 800W Max • Tri-Mode Capable • Soft Start • Gold-Plated RCA Level Inputs And Screw Terminals • MOSFET PWM Power Supply •

Pro Digital Series Amplifier • 2-Channel • 200W x2 Chan. @ 4 Ohm • 400W x2 Chan. @ 2 Ohm • 800W Max • Tri-Mode Capable • Soft Start • Gold-Plated RCA Level Inputs And Screw Terminals • MOSFET PWM Power Supply •

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    FAQ Frequently asked questions in Discontinued 2-Channel Amplifiers

    2 Channel Amplifiers Frequently Asked Questions (FAQ)
    Yes, many 2-channel amplifiers can be used in bridge mode to combine the power of both channels, making them suitable for powering a subwoofer and speakers at the same time. However, it's essential to check the amplifier's specifications and power ratings to ensure they match the impedance and power requirements of your subwoofer and speakers. Additionally, using a 2-channel amplifier for this purpose can result in power distribution challenges, as both the subwoofer and speakers may not receive optimal power for their specific frequency ranges.
    A 2-channel amplifier, also known as a stereo amplifier, is designed to power two speakers, typically a pair of front speakers or a pair of rear speakers. On the other hand, a mono amplifier, also known as a single-channel amplifier, is dedicated to powering a single speaker, usually a subwoofer. The primary difference lies in their application and configuration. While a 2-channel amplifier is suitable for powering multiple speakers, a mono amplifier is more focused on delivering high power output to a single speaker for deep bass reproduction.
    Yes, upgrading your factory car audio system with a 2-channel amplifier can significantly enhance the overall sound quality and volume. Factory audio systems often lack the power needed to drive aftermarket speakers properly. Adding a 2-channel amplifier allows you to provide more power to your front or rear speakers, resulting in improved clarity, detail, and dynamics. It's an excellent way to breathe new life into your car's audio system without the need for extensive modifications. Be sure to select an amplifier with an appropriate power rating and ensure compatibility with your existing audio setup.
    To ensure compatibility, consider factors like power output, impedance, and form factor. Check the power ratings of your speakers and subwoofers, and choose an amplifier that can deliver the required power at the appropriate impedance. Additionally, verify that the amplifier's dimensions fit within the available space in your vehicle. Some 2-channel amplifiers come with adjustable crossovers and gain controls, allowing you to fine-tune the audio output to match your specific setup. If you have any uncertainties, consult with an audio specialist or contact Sonic Electronix customer support for expert assistance.
    While 2-channel amplifiers can provide power to two speakers, they are typically not designed for bi-amping applications. Bi-amping involves using separate amplifiers for the tweeters and woofers of a speaker system to improve audio performance. To bi-amp speakers, you would require an additional set of channels dedicated to each driver. In this case, a multi-channel amplifier or a combination of mono and stereo amplifiers is more suitable. If bi-amping is a priority, consider looking into multi-channel amplifiers that offer specific configurations for bi-amping setups. Always check the specifications and features of the amplifier to ensure it can support bi-amping before making a purchase.
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    Why Use a Vehicle Fit Guide?
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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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