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

Discontinued 2-Channel 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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SPL AX2-620

620W Max, E-FLUX Plasma Series 2-Channel Amplifier

AX2-620 big DISCONTINUED
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SPL AX2-620

620W Max, E-FLUX Plasma Series 2-Channel Amplifier

SPL AX2-620 620W Max, E-FLUX Plasma Series 2-Channel Amplifier • Full Mosfet Power Supply • Full Selectable Crossover Hi/Full/Low • 4 ohm: 300 watts x 2 chan. • 2 ohm: 380 watts x 2 chan. • Bridged, @ 4 ohm: 360 watts x 1 chan.

SPL AX2-620 620W Max, E-FLUX Plasma Series 2-Channel Amplifier • Full Mosfet Power Supply • Full Selectable Crossover Hi/Full/Low • 4 ohm: 300 watts x 2 chan. • 2 ohm: 380 watts x 2 chan. • Bridged, @ 4 ohm: 360 watts x 1 chan.

Hitron HA-600.2 (GRAY)

600W Max, 2-Channel Amplifier with Bass Remote

HA-600.2-GRAY big DISCONTINUED
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Hitron HA-600.2 (GRAY)

600W Max, 2-Channel Amplifier with Bass Remote

HA Series 2-Channel Class AB Car Amplifier • 150W x 2 chan. @ 4 ohm • 250W x 2 chan. @ 2 ohm • 300W x 2 chan. Max • MOSFET power supply • Wired remote bass level control included • Phantom Channel for center or subwoofer

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HA Series 2-Channel Class AB Car Amplifier • 150W x 2 chan. @ 4 ohm • 250W x 2 chan. @ 2 ohm • 300W x 2 chan. Max • MOSFET power supply • Wired remote bass level control included • Phantom Channel for center or subwoofer

Polk Audio PA250.2

400W Max, 2-Channel Amplifier

PA250.2 big DISCONTINUED
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Polk Audio PA250.2

400W Max, 2-Channel Amplifier

PA Series 2-Channel Class AB Car Amplifier • 75W x 2 chan. @ 4 ohm • 125W x 2 chan. @ 2 ohm • 250W x 1 chan. @ 4 ohm • 200W x 2 chan. Max • PWM (Pulse Width Modulated) MOSFET power supply • Preamp RCA outputs

PA Series 2-Channel Class AB Car Amplifier • 75W x 2 chan. @ 4 ohm • 125W x 2 chan. @ 2 ohm • 250W x 1 chan. @ 4 ohm • 200W x 2 chan. Max • PWM (Pulse Width Modulated) MOSFET power supply • Preamp RCA outputs

Hitron HA-600.2 (BLACK)

600W Max, 2-Channel Amplifier with Bass Remote

HA-600.2-BLACK big DISCONTINUED
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Hitron HA-600.2 (BLACK)

600W Max, 2-Channel Amplifier with Bass Remote

HA Series 2-Channel Class AB Car Amplifier • 150W x 2 chan. @ 4 ohm • 250W x 2 chan. @ 2 ohm • 300W x 2 chan. Max • MOSFET power supply • Wired remote bass level control included • Phantom Channel for center or subwoofer

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HA Series 2-Channel Class AB Car Amplifier • 150W x 2 chan. @ 4 ohm • 250W x 2 chan. @ 2 ohm • 300W x 2 chan. Max • MOSFET power supply • Wired remote bass level control included • Phantom Channel for center or subwoofer

Diamond Audio D1 250.2 (D1250.2)

250W Max, D1 Series 2-Channel Amplifier

D1250.2 big DISCONTINUED
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Diamond Audio D1 250.2 (D1250.2)

250W Max, D1 Series 2-Channel Amplifier

D1 Series 2-Channel Class A/B Car Amplifier • 75 Watts x 4 Chan. @ 4 Ohm • 125 Watts x 4 Chan @ 2 Ohm • Bass Remote Control • Speaker Level Inputs • 3-Way Protection Circuitry • Polycarbonate End Plates •

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D1 Series 2-Channel Class A/B Car Amplifier • 75 Watts x 4 Chan. @ 4 Ohm • 125 Watts x 4 Chan @ 2 Ohm • Bass Remote Control • Speaker Level Inputs • 3-Way Protection Circuitry • Polycarbonate End Plates •

Power Acoustik LFA2-2200

2200W Max, 2-Channel LFA Series (Loud Freeking Amplifiers) Amplifier

LFA2-2200 big DISCONTINUED
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Power Acoustik LFA2-2200

2200W Max, 2-Channel LFA Series (Loud Freeking Amplifiers) Amplifier

LFA Series 2-Channel Class AB Car Amplifier • 370W x 2 chan. @ 4 ohm • 450W x 2 chan. @ 2 ohm • 900W x 1 chan. @ 4 ohm • 2200W x 1 chan. Max • PWM (Pulse Width Modulated) MOSFET power supply and transistor outputs • Preamp RCA outputs

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LFA Series 2-Channel Class AB Car Amplifier • 370W x 2 chan. @ 4 ohm • 450W x 2 chan. @ 2 ohm • 900W x 1 chan. @ 4 ohm • 2200W x 1 chan. Max • PWM (Pulse Width Modulated) MOSFET power supply and transistor outputs • Preamp RCA outputs

Pioneer GM-X962

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Pioneer GM-X962

170 watts x 2 into 2 ohm • 380 watts x 1 bridged • selectable low-pass crossover

170 watts x 2 into 2 ohm • 380 watts x 1 bridged • selectable low-pass crossover

Phoenix Gold Octane-R 4.0:2 R4.0:2

400W Max, 2-Channel Amplifier

R4.0:2 big DISCONTINUED
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Phoenix Gold Octane-R 4.0:2 R4.0:2

400W Max, 2-Channel Amplifier

2-channel, 400 watts amplifier

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2-channel, 400 watts amplifier

Performance Teknique ICBM-9520

ICBM-9520 big DISCONTINUED
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Performance Teknique ICBM-9520

2-Channel power amplifier • 1 Ohm stable • 500W x 2 @ 1 ohm RMS • 1800W Peak output • Tri-Mode capable • Built in crossover(HP/LP/Subsonic) • Soft delay power-on • Cooling fan • Wired level remote control

2-Channel power amplifier • 1 Ohm stable • 500W x 2 @ 1 ohm RMS • 1800W Peak output • Tri-Mode capable • Built in crossover(HP/LP/Subsonic) • Soft delay power-on • Cooling fan • Wired level remote control

Boss CE2502

2500W Chaos Epic Series 2-Channel Power Amplifier with Line and Speaker Level Inputs

CE2502 big DISCONTINUED
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Boss CE2502

2500W Chaos Epic Series 2-Channel Power Amplifier with Line and Speaker Level Inputs

Chaos Epic Series 2-Channel Power Amplifier • 1000W RMS • 2500W Max • MOSFET Power Supply • LED Power and Protect Indicators • Variable Input Gain Control • 2-Way System Protection Circuitry • Heavy Duty Black Anodized Aluminum Heatsink

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Chaos Epic Series 2-Channel Power Amplifier • 1000W RMS • 2500W Max • MOSFET Power Supply • LED Power and Protect Indicators • Variable Input Gain Control • 2-Way System Protection Circuitry • Heavy Duty Black Anodized Aluminum Heatsink

Hitron HA-1400.2 (BLACK)

1400W Max, 2-Channel Amplifier with Bass Remote

HA-1400.2-BLACK big DISCONTINUED
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Hitron HA-1400.2 (BLACK)

1400W Max, 2-Channel Amplifier with Bass Remote

HA Series 2-Channel Class AB Car Amplifier • 300W x 2 chan. @ 4 ohm • 500W x 2 chan. @ 2 ohm • 700W x 2 chan. Max • MOSFET power supply • Wired remote bass level control included • Phantom Channel for center or subwoofer

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HA Series 2-Channel Class AB Car Amplifier • 300W x 2 chan. @ 4 ohm • 500W x 2 chan. @ 2 ohm • 700W x 2 chan. Max • MOSFET power supply • Wired remote bass level control included • Phantom Channel for center or subwoofer

Rockford Fosgate Punch P650.2

650 watts, Punch Series 2-Channel Amplifier

P650.2 big DISCONTINUED
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Rockford Fosgate Punch P650.2

650 watts, Punch Series 2-Channel Amplifier

650W Punch Series 2-Channel Amplifier • 175W x 2 chan. @ 4 Ohm • 325W x 2 chan. @ 2 Ohm • mass heatsink design • Punch Bass EQ • top mounted LED indicators • preamp inputs and outputs • CEA-2006 compliant

650W Punch Series 2-Channel Amplifier • 175W x 2 chan. @ 4 Ohm • 325W x 2 chan. @ 2 Ohm • mass heatsink design • Punch Bass EQ • top mounted LED indicators • preamp inputs and outputs • CEA-2006 compliant

Planet Audio PX2.1600

400W RMS Axis Series Class AB 2-Channel Car Amplifier (PX21600)

PX2.1600 big DISCONTINUED
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Planet Audio PX2.1600

400W RMS Axis Series Class AB 2-Channel Car Amplifier (PX21600)

• Axis Series 2-Channel Class AB Amplifier
• 200 x 2 Chan. @ 4 ohm
• 2-Way System Protection
• 2/1 Channel Operation
• 8 Gauge Power and Ground Inputs
• Black Anodized Heatsink

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• Axis Series 2-Channel Class AB Amplifier
• 200 x 2 Chan. @ 4 ohm
• 2-Way System Protection
• 2/1 Channel Operation
• 8 Gauge Power and Ground Inputs
• Black Anodized Heatsink

Boss RT545 RIOT Series

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Boss RT545 RIOT Series

1000 watts, 2-Channel RIOT Series amplifier • Bass Boost • Bridgeable • Remote sub level control

2

1000 watts, 2-Channel RIOT Series amplifier • Bass Boost • Bridgeable • Remote sub level control

Kole Audio PH2-1500

1500W Max, 2-Channel Phanatik Series Amplifier

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Kole Audio PH2-1500

1500W Max, 2-Channel Phanatik Series Amplifier

Phanatik Series 2-Channel Class AB Car Amplifier • 300W x 2 chan. @ 4 ohm • 380W x 2 chan. @ 2 ohm • 760W x 1 chan. @ 4 ohm • 1500W x 1 chan. Max • PWM (Pulse Width Modulated) MOSFET power supply and transistor outputs • Preamp RCA outputs

Phanatik Series 2-Channel Class AB Car Amplifier • 300W x 2 chan. @ 4 ohm • 380W x 2 chan. @ 2 ohm • 760W x 1 chan. @ 4 ohm • 1500W x 1 chan. Max • PWM (Pulse Width Modulated) MOSFET power supply and transistor outputs • Preamp RCA outputs

Alphasonik PMZ1502A

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Alphasonik PMZ1502A

2-channel A/B bipolar power amplifier • 75 watts RMS x 2 chan. at 2 ohm • Bridgeable • 4-way protection circuitry • RCA and speaker level inputs • Built-in variable crossover

2-channel A/B bipolar power amplifier • 75 watts RMS x 2 chan. at 2 ohm • Bridgeable • 4-way protection circuitry • RCA and speaker level inputs • Built-in variable crossover

Orion XTR600.2

1200W Max, 2-Channel A/B Stereo Amplifier

XTR6002 big DISCONTINUED
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Orion XTR600.2

1200W Max, 2-Channel A/B Stereo Amplifier

• XTR Series 2-Channel Class A/B Stereo Amplifier
• 150W x 2 Chan. @ 4 ohm
• 300W x 2 Chan. @ 2 ohm
• 2 Channel Operation
• Soft Turn-On/Turn-Off
• Electronic Crossover Network

• XTR Series 2-Channel Class A/B Stereo Amplifier
• 150W x 2 Chan. @ 4 ohm
• 300W x 2 Chan. @ 2 ohm
• 2 Channel Operation
• Soft Turn-On/Turn-Off
• Electronic Crossover Network

Hitron HNA-210

1400W Max, 2-Channel Amplifier

HNA-210 big DISCONTINUED
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Hitron HNA-210

1400W Max, 2-Channel Amplifier

1400W 2-Channel Power Amplifier • 180W x 2 chan. @ 4 Ohm • 300W x 2 chan. @ 2 Ohm • tri-mode capability • dual color indicator LED • MOSFET power supply • overload protection

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1400W 2-Channel Power Amplifier • 180W x 2 chan. @ 4 Ohm • 300W x 2 chan. @ 2 Ohm • tri-mode capability • dual color indicator LED • MOSFET power supply • overload protection

Autotek AXL3050.2

3000W Max 2-Channel AXL Series Class AB Car Amplifier

AXL3050.2 big DISCONTINUED
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Autotek AXL3050.2

3000W Max 2-Channel AXL Series Class AB Car Amplifier

• 750W x 2 Chan. @ 4 ohm
• 1500W x 2 Chan. @ 2 ohm
• 3000W x 1 Chan. @ 4 ohm
• 3-Way System Protection
• 2/1 Channel Operation
• 1/0 Gauge Power and Ground Inputs
• Illuminated Logo for Stylish and Unique Design

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• 750W x 2 Chan. @ 4 ohm
• 1500W x 2 Chan. @ 2 ohm
• 3000W x 1 Chan. @ 4 ohm
• 3-Way System Protection
• 2/1 Channel Operation
• 1/0 Gauge Power and Ground Inputs
• Illuminated Logo for Stylish and Unique Design

Hifonics Son of Samson ( SOSAMSON )

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Hifonics Son of Samson ( SOSAMSON )

2 Channel Class A/B Amplifier • 50W RMS x 2 @ 4 Ohm • 0 -12 dB Bass Boost • 3-Way Protection • Soft Start • 1 Pair RCA Outputs • High/Low Pass Filters

2 Channel Class A/B Amplifier • 50W RMS x 2 @ 4 Ohm • 0 -12 dB Bass Boost • 3-Way Protection • Soft Start • 1 Pair RCA Outputs • High/Low Pass Filters

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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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