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EXCLUSIVE

Power Acoustik 4-Ch Amplifier + 2 Pair of Massive Audio Shallow 5-1/4" Speakers

Power Acoustik GT4-400 400W 4-Channel Gothic Series Class AB Car Amplifier + Massive Audio SX 5 II 5-1/4" 2-Way Slim Series Stage II Coaxial Speakers

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Power Acoustik GT4-400 400W 4-Channel Gothic Series Class AB Car Amplifier + Massive Audio SX 5 II 5-1/4" 2-Way Slim Series Stage II Coaxial Speakers

• 30 Watts RMS x 4 @ 4 ohm
• 40 Watts RMS x 4 @ 2 ohm
• 90 Watts RMS x 2 @ 4 ohm, Bridged
• Total Peak Power: 400 Watts
• 4, 3 or 2 channel operation
• 3-way protection circuitry (thermal, overload, and speaker short protection)
• Frequency Response: 15 - 20,000 Hz
• Signal to Noise Ration: 100dB

• 30 Watts RMS x 4 @ 4 ohm
• 40 Watts RMS x 4 @ 2 ohm
• 90 Watts RMS x 2 @ 4 ohm, Bridged
• Total Peak Power: 400 Watts
• 4, 3 or 2 channel operation
• 3-way protection circuitry (thermal, overload, and speaker short protection)
• Frequency Response: 15 - 20,000 Hz
• Signal to Noise Ration: 100dB

Power Acoustik GT4-1200 OPEN BOX COMPLETE

1200W 4-Channel Gothic Series Class AB Car Amplifier

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1200W 4-Channel Gothic Series Class AB Car Amplifier

Item has been opened, used, and previously installed
• 4 ohm: 100 watts x 4-Chan.
• 2 ohm: 125 watts x 4-Chan.
• Bridged, 4 ohm: 250 watts x 2 chan.
• Max power output: 1200 watts

Item has been opened, used, and previously installed
• 4 ohm: 100 watts x 4-Chan.
• 2 ohm: 125 watts x 4-Chan.
• Bridged, 4 ohm: 250 watts x 2 chan.
• Max power output: 1200 watts

MB Quart DSC 450 Open Box

(Open Box) 400W RMS, Class A/B 4-Channel Discus Series Amplifier (DSC450)

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(Open Box) 400W RMS, Class A/B 4-Channel Discus Series Amplifier (DSC450)

Discus Series 4-Channel Class AB Car Amplifier • 50W x 4 Chan. @ 4 Ohm • 100W x 4 Chan. @ 2 Ohm • 200W x 2 Chan. @ 4 Ohm • Preamp RCA Outputs • Switchable 2-Channel/4-Channel Input Modes

Discus Series 4-Channel Class AB Car Amplifier • 50W x 4 Chan. @ 4 Ohm • 100W x 4 Chan. @ 2 Ohm • 200W x 2 Chan. @ 4 Ohm • Preamp RCA Outputs • Switchable 2-Channel/4-Channel Input Modes

EXCLUSIVE

Sony Speakers + Kicker Amplifier Bundle

5" x 7" Sony XS-GT5726A GT Series Speakers + Kicker 11DX200.4 4 Chan. Amp + Kit + Sound Dampening

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5" x 7" Sony XS-GT5726A GT Series Speakers + Kicker 11DX200.4 4 Chan. Amp + Kit + Sound Dampening

5" x 7" / 6" x 8" Xplod GT Series 2-way Car Speakers • 380W Max • 70W RMS • DX Series 4-Channel Class AB Car Amplifier • MOSFET Power Supply • Fail-Safe Integration Technology • Amplifier Kit • Sound Dampening Material

5" x 7" / 6" x 8" Xplod GT Series 2-way Car Speakers • 380W Max • 70W RMS • DX Series 4-Channel Class AB Car Amplifier • MOSFET Power Supply • Fail-Safe Integration Technology • Amplifier Kit • Sound Dampening Material

Orion CO600.4- Open Box

320W Cobalt Series 4-Channel Stereo Bridgeable Car Amplifier

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320W Cobalt Series 4-Channel Stereo Bridgeable Car Amplifier

• Cobalt 4-Channel Class A/B Car Amplifier
• 60 Watts x 4-Chan. @ 4 Ohm
• 80 Watts x 4-Chan. @ 2 Ohm
• 600 Watts Max
• Tri-Mode Capable
• High-Level Inputs
• Selectable Bass Boost
• LED Power/Protect Indicators

• Cobalt 4-Channel Class A/B Car Amplifier
• 60 Watts x 4-Chan. @ 4 Ohm
• 80 Watts x 4-Chan. @ 2 Ohm
• 600 Watts Max
• Tri-Mode Capable
• High-Level Inputs
• Selectable Bass Boost
• LED Power/Protect Indicators

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600W Peak / 150W RMS x 4 Channel Viberant Series Amplifier • 2 Ohm stereo stable • Tri-mode capable • Remote Subwoofer Bass Control

600W Peak / 150W RMS x 4 Channel Viberant Series Amplifier • 2 Ohm stereo stable • Tri-mode capable • Remote Subwoofer Bass Control

Absolute PRO 2000.4

2000W Max, 4-Channel Digital Pro Series Amplifier

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2000W Max, 4-Channel Digital Pro Series Amplifier

Digital Pro Series 4-Channel Car Amplifier • Class AB • 250 Watts x 4 chan. @ 2 ohm • 2000 Watts Max • Enhanced Bass EQ • Bridgeable and Tri-Operational Mode • Soft Start and Muting

Digital Pro Series 4-Channel Car Amplifier • Class AB • 250 Watts x 4 chan. @ 2 ohm • 2000 Watts Max • Enhanced Bass EQ • Bridgeable and Tri-Operational Mode • Soft Start and Muting

Crunch DRA4050.4-OPEN BOX

4000W V-Drive Series 4-Channel Car Audio Amplifier

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4000W V-Drive Series 4-Channel Car Audio Amplifier

• 4000 Watts Max
• 1000 Watts x 4-Chan. @ 2 Ohm
• 3-Way System Protection
• Selectable Highpass/Lowpass Filters

• 4000 Watts Max
• 1000 Watts x 4-Chan. @ 2 Ohm
• 3-Way System Protection
• Selectable Highpass/Lowpass Filters

Soundstream LW5.830 R/B

830W Max, Lil Wonder Series 5-Channel Amplifier

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830W Max, Lil Wonder Series 5-Channel Amplifier

Lil' Wonder II 5-Channel Class Car Amplifier • 140 Watts x 4 Chan. + 270 Watts x 1 Chan. • Platinum-Plated Terminals • Speaker-Level Inputs • 3-Way System Protection Circuitry • Soft Circuitry Turn-On/Off

Lil' Wonder II 5-Channel Class Car Amplifier • 140 Watts x 4 Chan. + 270 Watts x 1 Chan. • Platinum-Plated Terminals • Speaker-Level Inputs • 3-Way System Protection Circuitry • Soft Circuitry Turn-On/Off

Sony XM-N1004- OPEN BOX

1000W 4-Channel Stereo XM Series Class AB Car Amplifier

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1000W 4-Channel Stereo XM Series Class AB Car Amplifier

• RMS Power: 70W x 4 @ 4 ohm, 85W x 4 @ 2 ohm
• Total Peak Power: 1000W
• CEA-2006 Compliant/Preamp Outputs/LPF/HPF
• Dimensions: 8-5/8" L x 13-1/2" W x 2-1/4" H

• RMS Power: 70W x 4 @ 4 ohm, 85W x 4 @ 2 ohm
• Total Peak Power: 1000W
• CEA-2006 Compliant/Preamp Outputs/LPF/HPF
• Dimensions: 8-5/8" L x 13-1/2" W x 2-1/4" H

Hifonics Titan TX8805 R/B

440W RMS Titan Series 4-Channel Amplifier

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440W RMS Titan Series 4-Channel Amplifier

Titan Series 4 Channel Amplifier • 110 watts x 4 chan @ 4 ohm • 220 watts x 4 chan @ 2 ohm • Bass Remote Control Port • Power and Protection LEDs • 18dB Bass Boost • Variable Input Sensitivity

Titan Series 4 Channel Amplifier • 110 watts x 4 chan @ 4 ohm • 220 watts x 4 chan @ 2 ohm • Bass Remote Control Port • Power and Protection LEDs • 18dB Bass Boost • Variable Input Sensitivity

Soundstream TRA680.4 R/B

680W RMS Tarantula Series 4-Channel Amplifier

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680W RMS Tarantula Series 4-Channel Amplifier

4-Channel Amplifier • 170W x 4 chan. @ 2 Ohm • 340W x 2 chan. @ 4 Ohm Bridged • Double-Sided Glass Epoxy Circuit Board • Tri-Guard Amplifier Protection • SMT Cooling Fan • Tri-Mode Capable • Line Output

4-Channel Amplifier • 170W x 4 chan. @ 2 Ohm • 340W x 2 chan. @ 4 Ohm Bridged • Double-Sided Glass Epoxy Circuit Board • Tri-Guard Amplifier Protection • SMT Cooling Fan • Tri-Mode Capable • Line Output

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250W Peak / 125W RMS x 4 Channel Vibe Pro Series Amplifier • Electronic Crossover Network • gold RCA inputs • bass boost controls • 2 ohm stable • MOSFET Power Supply • Soft Turn On/Off

250W Peak / 125W RMS x 4 Channel Vibe Pro Series Amplifier • Electronic Crossover Network • gold RCA inputs • bass boost controls • 2 ohm stable • MOSFET Power Supply • Soft Turn On/Off

Pioneer GM-D9500F Open Box

(Open Box) 800W Max, Class FD 4-Channel Amplifier (Full-Range Class D)

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(Open Box) 800W Max, Class FD 4-Channel Amplifier (Full-Range Class D)

FD Series Class D 4-Channel Car Amplifier • 75W x 4 Chan. @ 4 Ohm • 100W x 4 Chan. @ 2 Ohm • 800W Max • 4/3/2 Channel Operation • Speaker-Level Inputs • Compression-Type Terminals • LPF • HPF

FD Series Class D 4-Channel Car Amplifier • 75W x 4 Chan. @ 4 Ohm • 100W x 4 Chan. @ 2 Ohm • 800W Max • 4/3/2 Channel Operation • Speaker-Level Inputs • Compression-Type Terminals • LPF • HPF

Infinity Reference 7541a

Factory Refurbished 4-Channel Amplifier w/ 1-YEAR EXCHANGE WARRANTY (as if it was new!)

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Factory Refurbished 4-Channel Amplifier w/ 1-YEAR EXCHANGE WARRANTY (as if it was new!)

656 watts max 4-channel amplifier • Optional bass remote • 4 ohm: 278 watts RMS x 2 chan.• RCA and speaker level inputs • Bass boost 0 - 12dB

656 watts max 4-channel amplifier • Optional bass remote • 4 ohm: 278 watts RMS x 2 chan.• RCA and speaker level inputs • Bass boost 0 - 12dB

Visonik V204XT

400 watts, 4-Channel Amplifier

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400 watts, 4-Channel Amplifier

400W 4-Channel Amplifier • 80W x 4 chan. @ 4 Ohm • 200W x 2 chan. @ 4 Ohm Bridged • full MOSFET circuitry • line inputs/outputs • adjustable input sensitivity • power/protection LED • S/N ratio: 90dB

400W 4-Channel Amplifier • 80W x 4 chan. @ 4 Ohm • 200W x 2 chan. @ 4 Ohm Bridged • full MOSFET circuitry • line inputs/outputs • adjustable input sensitivity • power/protection LED • S/N ratio: 90dB

Autotek MM100.4 R/B

600W RMS Mean Machine Series 4-Channel Amplifier

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600W RMS Mean Machine Series 4-Channel Amplifier

Mean Machine Series 4-Channel Car Amplifier • 100 watts x 4 chan @ 4 ohm • 150 watts x 4 chan @ 2 ohm • MOSFET Power Supply • LED Power Indicators • TCID (Twin Coil Isolation Design) • Aluminum Alloy Heatsink

Mean Machine Series 4-Channel Car Amplifier • 100 watts x 4 chan @ 4 ohm • 150 watts x 4 chan @ 2 ohm • MOSFET Power Supply • LED Power Indicators • TCID (Twin Coil Isolation Design) • Aluminum Alloy Heatsink

JL Audio 450/4

450 watts, 4-Channel Amplifier

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450 watts, 4-Channel Amplifier

4-Channel Power Amplifier • (150W x 2 front chan.) + (75W x 2 rear chan.) • Bridged:(300W x 1 front chan.) + (150W x 1 rear chan.) • 108.5 dB S/N Ratio • 1.5 ohm - 8 ohm stable (1.5 - 4 ohm unbridged, 3 - 8 ohm when bridged)

4-Channel Power Amplifier • (150W x 2 front chan.) + (75W x 2 rear chan.) • Bridged:(300W x 1 front chan.) + (150W x 1 rear chan.) • 108.5 dB S/N Ratio • 1.5 ohm - 8 ohm stable (1.5 - 4 ohm unbridged, 3 - 8 ohm when bridged)

MTX Audio MUD100.4 (Open Box)

800W Peak (400W RMS) 4-Channel Bridgeable Ultra-Compact Class D Power Sports Amplifier for Install In Car, Off-Road, SSV and more...

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800W Peak (400W RMS) 4-Channel Bridgeable Ultra-Compact Class D Power Sports Amplifier for Install In Car, Off-Road, SSV and more...

• 50 Watts RMS x 4 @ 4 ohm
• 100 Watts RMS x 4 @ 2 ohm
• Total Peak Power: 800 Watts
• Selectable Front high-pass filter: 80 / 200 Hz
• Speaker-level (high-level) inputs

• 50 Watts RMS x 4 @ 4 ohm
• 100 Watts RMS x 4 @ 2 ohm
• Total Peak Power: 800 Watts
• Selectable Front high-pass filter: 80 / 200 Hz
• Speaker-level (high-level) inputs

MB Quart ONX4.80 Open Box

(Open Box) 4-Channel ONYX Series Car Amplifier (ONX-4.80)

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(Open Box) 4-Channel ONYX Series Car Amplifier (ONX-4.80)

ONYX Series 4-Channel Class AB Car Amplifier • 160W x 4 Chan @ 2 Ohm • 80W x 4 Chan @ 4 Ohm • Unbalanced RCA Input Jack • Preamp RCA Outputs • 4-Way System Protection Circuitry • Piano Black Gloss Finish

ONYX Series 4-Channel Class AB Car Amplifier • 160W x 4 Chan @ 2 Ohm • 80W x 4 Chan @ 4 Ohm • Unbalanced RCA Input Jack • Preamp RCA Outputs • 4-Way System Protection Circuitry • Piano Black Gloss Finish

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    FAQ Frequently asked questions in Discontinued 4-Channel Amplifiers


    4 Channel Amplifiers Frequently Asked Questions (FAQ)
    A 4-channel amplifier is a type of car audio amplifier that features four separate channels, each capable of powering a speaker or a pair of speakers. By distributing power across four channels, you can connect your front and rear speakers to the amplifier, significantly enhancing the overall sound quality and clarity in your car audio system. With a 4-channel amplifier, you can achieve a balanced soundstage, where the music seems to come from different directions, providing an immersive listening experience. Additionally, these amplifiers often come with adjustable crossovers and gain controls, allowing you to fine-tune the audio output for each set of speakers, optimizing the sound reproduction according to your preferences.
    Yes, many 4-channel amplifiers are bridgeable, allowing you to combine two channels to power a single speaker or subwoofer with higher output power. This bridging capability is useful if you have a pair of high-powered front speakers or a powerful subwoofer that requires more power than a single channel can provide. However, it's essential to check the amplifier's specifications and instructions to confirm its bridgeability and the recommended bridging configurations. Not all 4-channel amplifiers support bridging, and improper bridging can damage the amplifier or connected speakers. If you are unsure about bridging your 4-channel amplifier, consult the amplifier's manual or reach out to Sonic Electronix customer support for expert assistance.
    To select the right 4-channel amplifier for your speakers, consider their power handling capabilities and impedance. First, identify the RMS power rating of your front and rear speakers. The amplifier's RMS power output per channel should match or slightly exceed the RMS power rating of your speakers to ensure optimal performance without distortion. Next, check the impedance (measured in ohms) of your speakers, as well as the amplifier's minimum and maximum impedance ratings. Match the speaker impedance with the appropriate amplifier channels to prevent compatibility issues. For example, if your speakers have an impedance of 4 ohms, make sure the amplifier channels for those speakers can handle a 4-ohm load. Paying attention to these specifications ensures a seamless integration of your speakers with the 4-channel amplifier.
    Yes, a 4-channel amplifier can be used to power additional speakers, such as tweeters or coaxial speakers, in your car audio system. Beyond the front and rear speakers, a 4-channel amplifier has the flexibility to accommodate additional speaker types, provided that the total load impedance and power requirements of the amplifier's channels are within its specifications. For example, if your 4-channel amplifier has two unused channels, you can use them to power additional speakers for improved sound coverage and audio performance. Be cautious not to overload the amplifier, and ensure that the speakers' impedance and power handling align with the available channels to avoid damaging the amplifier or speakers. If you have questions about expanding your audio system with a 4-channel amplifier, seek expert advice from Sonic Electronix.
    A proper and safe installation of a 4-channel amplifier is essential for optimal performance and to prevent any electrical or mechanical issues. To ensure a successful installation, start by reading the amplifier's user manual thoroughly, as it contains specific instructions and guidelines for installation. Follow all safety precautions and use the appropriate wiring and connectors rated for the amplifier's power output. Securely mount the amplifier in a well-ventilated area, away from heat sources, and avoid placing it on carpeted surfaces. Route and secure all cables carefully to avoid interference and potential hazards. Double-check all connections to ensure they are tight and secure. If you are not confident in installing the amplifier yourself, consider seeking professional installation services to ensure a safe and expertly done installation that optimizes the performance of your 4-channel amplifier and car audio system.
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