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EXCLUSIVE

JBL + Rockford Fosgate Full Range Amplified System w/ 5x7"/6x8" Speakers

JBL 5x7"/6x8" 2-Way GT7-Series Coaxial Speakers + Rockford Fosgate R300X4 4-Channel Class AB Amplifier + Rockford Fosgate Amp Kit

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JBL 5x7"/6x8" 2-Way GT7-Series Coaxial Speakers + Rockford Fosgate R300X4 4-Channel Class AB Amplifier + Rockford Fosgate Amp Kit

• 50W x 4-Chan. @ 4 ohm
• 1-3/16" PEI Edge Driven Dome Tweeter
• Polypropylene Plus One™ Cone and Foam Surround
• Variable Bass Boost
• Variable High-Pass Crossover
• CEA-2006 Compliant
• Soft Start Turn-On

• 50W x 4-Chan. @ 4 ohm
• 1-3/16" PEI Edge Driven Dome Tweeter
• Polypropylene Plus One™ Cone and Foam Surround
• Variable Bass Boost
• Variable High-Pass Crossover
• CEA-2006 Compliant
• Soft Start Turn-On

Boss R1004 Amplifier + (4) MTX Terminator 5.25" Speakers + Amp Kit

400W Boss Riot Series 4-Channel Amplifier + (4) MTX 5.25" Component Speakers + Bak82bl (Blue)

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400W Boss Riot Series 4-Channel Amplifier + (4) MTX 5.25" Component Speakers + Bak82bl (Blue)

• RMS: 38W x 4 @ 4 ohm
• Peak: 100W x 4 @ 2 ohm
• Total Peak Power: 400W
• Frequency response: 12 - 22,000 Hz
• Dimensions: 9"W x 7-3/4"L x 2"H

• RMS: 38W x 4 @ 4 ohm
• Peak: 100W x 4 @ 2 ohm
• Total Peak Power: 400W
• Frequency response: 12 - 22,000 Hz
• Dimensions: 9"W x 7-3/4"L x 2"H

EXCLUSIVE

Alpine SPS-610C SPS-610 6.5" 2-Way Type-S Speakers + NVX MVPA4 + Amp Wiring Kit

Alpine SPS Type-S Component & Coaxial Speakers + NVX 4-Channel Class D Amplifier w/ Amp Wiring Kit

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Alpine SPS Type-S Component & Coaxial Speakers + NVX 4-Channel Class D Amplifier w/ Amp Wiring Kit

• 50W x 4-Chan. @ 4 ohm
• 1" Silk Dome Tweeter
• Tuned Poly-Mica Cone
• 4 Ohm Impedance
• 3-Way System Protection
• Extremely Small Footprint!
• Silver-Tinned 100% Virgin Copper
• 4-channel RCA Interconnect Cable

• 50W x 4-Chan. @ 4 ohm
• 1" Silk Dome Tweeter
• Tuned Poly-Mica Cone
• 4 Ohm Impedance
• 3-Way System Protection
• Extremely Small Footprint!
• Silver-Tinned 100% Virgin Copper
• 4-channel RCA Interconnect Cable

EXCLUSIVE

Two Pair of JBL GTO628 with Pioneer GM-A4604

List price $429.89: 6-1/2" 2-Way GTO Series Coaxial Speakers + 4-Channel GM Series Bridgeable Class AB Car Amplifier

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List price $429.89: 6-1/2" 2-Way GTO Series Coaxial Speakers + 4-Channel GM Series Bridgeable Class AB Car Amplifier

• 60W x 4 @ 2 ohm
• Mylar / Titanium Composite Dome Tweeter
• Mounting Depth: 2-1/16"
• Plus One Cone Material
• CEA-2006 Compliant
• Dimensions: 12-1/2"W x 8-1/2"L x 2-3/8"H

• 60W x 4 @ 2 ohm
• Mylar / Titanium Composite Dome Tweeter
• Mounting Depth: 2-1/16"
• Plus One Cone Material
• CEA-2006 Compliant
• Dimensions: 12-1/2"W x 8-1/2"L x 2-3/8"H

EXCLUSIVE

Rockford R300X4 Amp+6.5" 2-Way Speakers+Amp Kit+RCA cable

4 JBL Speakers + Rockford Fosgate R300X4 4-Channel Amplifier + Rockford Fosgate Amp Kit

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4 JBL Speakers + Rockford Fosgate R300X4 4-Channel Amplifier + Rockford Fosgate Amp Kit

• 50W x 4-Chan. @ 4 ohm
• 1-3/16" PEI Edge Driven Dome Tweeter
• Polypropylene Plus One™ Cone and Foam Surround
• Variable Bass Boost
• Variable High-Pass Crossover
• CEA-2006 Compliant
• Soft Start Turn-On

• 50W x 4-Chan. @ 4 ohm
• 1-3/16" PEI Edge Driven Dome Tweeter
• Polypropylene Plus One™ Cone and Foam Surround
• Variable Bass Boost
• Variable High-Pass Crossover
• CEA-2006 Compliant
• Soft Start Turn-On

EXCLUSIVE

Amplified Speaker Package | Alpine Coaxial Speakers + NVX 4-Channel + Amp Kit

SPS-610 6.5" 2-Way Type-S Coaxial Speakers + NVX MVPA4 Micro-V Series 4-Channel Class D Amplifier w/ Amp Wiring Kit

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SPS-610 6.5" 2-Way Type-S Coaxial Speakers + NVX MVPA4 Micro-V Series 4-Channel Class D Amplifier w/ Amp Wiring Kit

• 50W x 4-Chan. @ 4 ohm
• 1" Silk Dome Tweeter
• Tuned Poly-Mica Cone
• 4 Ohm Impedance
• 3-Way System Protection
• Extremely Small Footprint!
• Silver-Tinned 100% Virgin Copper
• 4-channel RCA Interconnect Cable

• 50W x 4-Chan. @ 4 ohm
• 1" Silk Dome Tweeter
• Tuned Poly-Mica Cone
• 4 Ohm Impedance
• 3-Way System Protection
• Extremely Small Footprint!
• Silver-Tinned 100% Virgin Copper
• 4-channel RCA Interconnect Cable

EXCLUSIVE

Sony 4-Channel Amplifier with Four FREE JBL 6-1/2" Speakers

Sony XM-GS400 700W Max Compact 4 Channel GS Series Amplifier + JBL GTO628 6-1/2" 2-Way Grand Touring (GTO) Series Coaxial Speakers

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Sony XM-GS400 700W Max Compact 4 Channel GS Series Amplifier + JBL GTO628 6-1/2" 2-Way Grand Touring (GTO) Series Coaxial Speakers

• 80 Watts RMS x 4 @ 2 ohm
• FEATURE 2
• Mylar / Titanium Composite Dome Tweeter
• Mounting Depth: 2-1/16"
• Plus One Cone Material
• 2 Ohm Impedance
• CEA-2006 Compliant
• 4, 3 or 2 channel stereo operation
• Signal to Noise Ration: 93 dBA
• Speaker-level (high-level) inputs with Auto Turn-on

• 80 Watts RMS x 4 @ 2 ohm
• FEATURE 2
• Mylar / Titanium Composite Dome Tweeter
• Mounting Depth: 2-1/16"
• Plus One Cone Material
• 2 Ohm Impedance
• CEA-2006 Compliant
• 4, 3 or 2 channel stereo operation
• Signal to Noise Ration: 93 dBA
• Speaker-level (high-level) inputs with Auto Turn-on

EXCLUSIVE

JL Audio 4-Channel Amplifier plus 50% OFF a Set of Four JBL 6-1/2" Speakers

JL Audio HX280/4 280W 4-channel Class D Full-Range Amplifier + JBL GTO628 360W Max 6-1/2" 2-Way Grand Touring (GTO) Series Coaxial Speakers

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JL Audio HX280/4 280W 4-channel Class D Full-Range Amplifier + JBL GTO628 360W Max 6-1/2" 2-Way Grand Touring (GTO) Series Coaxial Speakers

•70W x 4 @ 2ohm
• Mylar / Titanium Composite Dome Tweeter
• Mounting Depth: 2-1/16"
• Plus One Cone Material
• 2 Ohm Impedance
• 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

•70W x 4 @ 2ohm
• Mylar / Titanium Composite Dome Tweeter
• Mounting Depth: 2-1/16"
• Plus One Cone Material
• 2 Ohm Impedance
• 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

EXCLUSIVE

JBL 4-Ch Amplified Setup with 6-1/2" Components, 6.5" / 6.75" Coaxials and Wiring Kit

JBL GTO608C 2-way Speakers + JBL GTO638 3-Way Speakers + JBL GX-A604 4-Ch Amplifier + NVX Wiring Kit

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JBL GTO608C 2-way Speakers + JBL GTO638 3-Way Speakers + JBL GX-A604 4-Ch Amplifier + NVX Wiring Kit

• 85W x 4 @ 2 ohm
• Mylar / Titanium Composite Dome Tweeter
• Mounting Depth: 2"
• Patent Pending Plus One Woofer Cone
• 8 Gauge 2-Channel Complete Amplifier Installation Kit
• For Car Audio Systems Up To 600 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 2-channel RCA Interconnect Cable

• 85W x 4 @ 2 ohm
• Mylar / Titanium Composite Dome Tweeter
• Mounting Depth: 2"
• Patent Pending Plus One Woofer Cone
• 8 Gauge 2-Channel Complete Amplifier Installation Kit
• For Car Audio Systems Up To 600 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 2-channel RCA Interconnect Cable

EXCLUSIVE

JBL 4-Channel Amplified Setup with 5-1/4" Speakers and Wiring Kit

(2) JBL P562 5-1/4" 2-way Power Series Speakers + JBL GX-A604 4-Ch Amplifier + NVX Wiring Kit

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(2) JBL P562 5-1/4" 2-way Power Series Speakers + JBL GX-A604 4-Ch Amplifier + NVX Wiring Kit

• 85W x 4 @ 2 ohm
• Plus One HCL Woofer cone
• Textile dome tweeters
• voice-matched passive crossover
• 2 ohm impedance
• Oversized voice coils and integrated tinsel leads
• 8 Gauge 2-Channel Complete Amplifier Installation Kit
• For Car Audio Systems Up To 600 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 2-channel RCA Interconnect Cable

• 85W x 4 @ 2 ohm
• Plus One HCL Woofer cone
• Textile dome tweeters
• voice-matched passive crossover
• 2 ohm impedance
• Oversized voice coils and integrated tinsel leads
• 8 Gauge 2-Channel Complete Amplifier Installation Kit
• For Car Audio Systems Up To 600 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 2-channel RCA Interconnect Cable

EXCLUSIVE

Infinity + JBL 4-Ch Amplified Setup with 6x8" Speakers and Wiring Kit

(2) Infinity 682.11cf 6x8"/5x7" Kappa Series Coaxials + JBL GX-A604 4-Ch Amplifier + NVX Wiring Kit

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(2) Infinity 682.11cf 6x8"/5x7" Kappa Series Coaxials + JBL GX-A604 4-Ch Amplifier + NVX Wiring Kit

• 85W x 4 @ 2 ohm
• 1" Soft Dome Edge-Driven Fabric Tweeter
• Plus One Cone Technology Offers More Cone Area
• Carbon Injected Glass Fiber Cone
• 8 Gauge 2-Channel Complete Amplifier Installation Kit
• For Car Audio Systems Up To 600 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 2-channel RCA Interconnect Cable

• 85W x 4 @ 2 ohm
• 1" Soft Dome Edge-Driven Fabric Tweeter
• Plus One Cone Technology Offers More Cone Area
• Carbon Injected Glass Fiber Cone
• 8 Gauge 2-Channel Complete Amplifier Installation Kit
• For Car Audio Systems Up To 600 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 2-channel RCA Interconnect Cable

Kicker 43DXA2504 4-Channel 60Wx4 Car Audio Amplifier+6.5"+6x9" Speakers+Amp Kit

500W Max (250W RMS) DX-Series Full Range 4 Channel Amplifier Package

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500W Max (250W RMS) DX-Series Full Range 4 Channel Amplifier Package

• RMS Power: 30W x 4 @ 4 ohm, 60W x 4 @ 2 ohm
• Signal to Noise Ratio: >95dB
• CEA-2006 Compliant
• >Dimensions: 12-7/16" W x 7-3/16" D x 2-3/8" H

• RMS Power: 30W x 4 @ 4 ohm, 60W x 4 @ 2 ohm
• Signal to Noise Ratio: >95dB
• CEA-2006 Compliant
• >Dimensions: 12-7/16" W x 7-3/16" D x 2-3/8" H

EXCLUSIVE

JBL Speakers + Kicker Amplifier Bundle

Two Sets of GTO528 5-1/4" 2-Way Grand Touring Series Speakers and 400W RMS 11DX400.4 Amp+Amp Kit+Sound Dampening

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Two Sets of GTO528 5-1/4" 2-Way Grand Touring Series Speakers and 400W RMS 11DX400.4 Amp+Amp Kit+Sound Dampening

5.25" Grand Touring Series 2-way Car Speakers • 135 Watts Max • 45 Watts RMS • Plus One Cone Material • 1" My-Ti Tweeters • Mylar/Titanium Composite Dome Tweeters • 2 ohm • Includes Amplifier, Amp Kit, and Sound Deadening!

5.25" Grand Touring Series 2-way Car Speakers • 135 Watts Max • 45 Watts RMS • Plus One Cone Material • 1" My-Ti Tweeters • Mylar/Titanium Composite Dome Tweeters • 2 ohm • Includes Amplifier, Amp Kit, and Sound Deadening!

Boss Car Speaker Chaos Sound Package

400W 4-Channel Boss CE404 Class AB Amplifier + 6.5" & 6x9" Chaos Series Coaxial Speakers

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400W 4-Channel Boss CE404 Class AB Amplifier + 6.5" & 6x9" Chaos Series Coaxial Speakers

• 4-Channel 400W Max Chaos Epic Series Amplifier
• Chaos Series 6" x 9" and 6.5" Speakers
• Red Metallic Poly Injection Cones and Rubber Surrounds
• Polymide Dome Tweeters
• Speaker Grills Included

• 4-Channel 400W Max Chaos Epic Series Amplifier
• Chaos Series 6" x 9" and 6.5" Speakers
• Red Metallic Poly Injection Cones and Rubber Surrounds
• Polymide Dome Tweeters
• Speaker Grills Included

EXCLUSIVE

Infinity + JBL 4-Channel Amplified Setup with 6-1/2" Coaxials and Wiring Kit

(2) Infinity 62.11I 6.5" Kappa Series Coaxials + JBL GX-A604 4-Ch Amplifier + NVX Wiring Kit

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(2) Infinity 62.11I 6.5" Kappa Series Coaxials + JBL GX-A604 4-Ch Amplifier + NVX Wiring Kit

• 85W x 4 @ 2 ohm
• 1" Soft Dome Edge-Driven Fabric Tweeter
• Plus One Cone Technology Offers More Cone Area
• Carbon Injected Glass Fiber Cone
• 8 Gauge 2-Channel Complete Amplifier Installation Kit
• For Car Audio Systems Up To 600 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 2-channel RCA Interconnect Cable

• 85W x 4 @ 2 ohm
• 1" Soft Dome Edge-Driven Fabric Tweeter
• Plus One Cone Technology Offers More Cone Area
• Carbon Injected Glass Fiber Cone
• 8 Gauge 2-Channel Complete Amplifier Installation Kit
• For Car Audio Systems Up To 600 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 2-channel RCA Interconnect Cable

EXCLUSIVE

JBL + JL Audio Amplified 4-Ch. High Fidelity Audio System with 5x7"/6x8" Speakers

JBL GTO8629 5x7" / 6x8" 2-Way GTO Series Coaxial Speakers System + JL Audio XD400/4 4-Channel Class D Amplifier + NVX Wiring Kit

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JBL GTO8629 5x7" / 6x8" 2-Way GTO Series Coaxial Speakers System + JL Audio XD400/4 4-Channel Class D Amplifier + NVX Wiring Kit

• Edge-Driven Fabric Soft Dome Tweeter
• Carbon Injected Cone

• NexD Ultra-High Speed Topology
• Preamp RCA Outputs
• Variable High/Low-Pass Filter
• 4 Gauge 4-Channel X-Series Complete Amplifier Installation Kit
• For Car Audio Systems Up To 1000 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 4-channel RCA Interconnect Cable

• Edge-Driven Fabric Soft Dome Tweeter
• Carbon Injected Cone

• NexD Ultra-High Speed Topology
• Preamp RCA Outputs
• Variable High/Low-Pass Filter
• 4 Gauge 4-Channel X-Series Complete Amplifier Installation Kit
• For Car Audio Systems Up To 1000 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 4-channel RCA Interconnect Cable

EXCLUSIVE

JBL + JL Audio Amplified 4-Ch. High Fidelity Car Audio System w/ 6.5" Speakers

JBL GTO609C/GTO629 6.5" 2-Way GTO Series Component/Coaxial Speakers System + JL Audio XD400/4 4-Channel Class D Amplifier + NVX Wiring Kit

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JBL GTO609C/GTO629 6.5" 2-Way GTO Series Component/Coaxial Speakers System + JL Audio XD400/4 4-Channel Class D Amplifier + NVX Wiring Kit

• Edge-Driven Fabric Soft Dome Tweeter
• Carbon Injected Cone

• NexD Ultra-High Speed Topology
• Preamp RCA Outputs
• Variable High/Low-Pass Filter
• 4 Gauge 4-Channel X-Series Complete Amplifier Installation Kit
• For Car Audio Systems Up To 1000 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 4-channel RCA Interconnect Cable

• Edge-Driven Fabric Soft Dome Tweeter
• Carbon Injected Cone

• NexD Ultra-High Speed Topology
• Preamp RCA Outputs
• Variable High/Low-Pass Filter
• 4 Gauge 4-Channel X-Series Complete Amplifier Installation Kit
• For Car Audio Systems Up To 1000 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 4-channel RCA Interconnect Cable

EXCLUSIVE

JBL + JL Audio Amplified 4-Ch. High Fidelity Audio System w/ 6.5" Coaxial Speakers

(2) JBL GTO629 6.5" 2-Way GTO Series Coaxial Speakers + JL Audio XD400/4 4-Channel Class D Amplifier + NVX Wiring Kit

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(2) JBL GTO629 6.5" 2-Way GTO Series Coaxial Speakers + JL Audio XD400/4 4-Channel Class D Amplifier + NVX Wiring Kit

• Edge-Driven Fabric Soft Dome Tweeter
• Carbon Injected Cone

• NexD Ultra-High Speed Topology
• Preamp RCA Outputs
• Variable High/Low-Pass Filter
• 4 Gauge 4-Channel X-Series Complete Amplifier Installation Kit
• For Car Audio Systems Up To 1000 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 4-channel RCA Interconnect Cable

• Edge-Driven Fabric Soft Dome Tweeter
• Carbon Injected Cone

• NexD Ultra-High Speed Topology
• Preamp RCA Outputs
• Variable High/Low-Pass Filter
• 4 Gauge 4-Channel X-Series Complete Amplifier Installation Kit
• For Car Audio Systems Up To 1000 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 4-channel RCA Interconnect Cable

EXCLUSIVE

JBL + JL Audio Amplified 4-Ch. High Fidelity Audio System w/ 6.5" & 6x9" Speakers

JBL GTO609C6.5" GTO Series Component + GTO939 6x9" Coaxial Speakers + JL Audio XD400/4 4-Channel Class D Amplifier + NVX Wiring Kit

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JBL GTO609C6.5" GTO Series Component + GTO939 6x9" Coaxial Speakers + JL Audio XD400/4 4-Channel Class D Amplifier + NVX Wiring Kit

• Edge-Driven Fabric Soft Dome Tweeter
• Carbon Injected Cone

• NexD Ultra-High Speed Topology
• Preamp RCA Outputs
• Variable High/Low-Pass Filter
• 4 Gauge 4-Channel X-Series Complete Amplifier Installation Kit
• For Car Audio Systems Up To 1000 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 4-channel RCA Interconnect Cable

• Edge-Driven Fabric Soft Dome Tweeter
• Carbon Injected Cone

• NexD Ultra-High Speed Topology
• Preamp RCA Outputs
• Variable High/Low-Pass Filter
• 4 Gauge 4-Channel X-Series Complete Amplifier Installation Kit
• For Car Audio Systems Up To 1000 Watts RMS
• Silver-Tinned 100% Virgin Copper
• 4-channel RCA Interconnect Cable

EXCLUSIVE

Alpine Type-S Ultra-Compact 4-Channel Amplified System with 6.5" & 6x9" Speakers

Alpine SPS-610C 6.5" 2-Way Type-S Components + SPS-619 6x9" Coaxial + NVX MVPA4 Micro-V Series 4-Channel Class D Amplifier w/ Amp Wiring Kit

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Alpine SPS-610C 6.5" 2-Way Type-S Components + SPS-619 6x9" Coaxial + NVX MVPA4 Micro-V Series 4-Channel Class D Amplifier w/ Amp Wiring Kit

• 50W x 4-Chan. @ 4 ohm
• 1" Silk Dome Tweeter
• Tuned Poly-Mica Cone
• 4 Ohm Impedance
• 3-Way System Protection
• Extremely Small Footprint!
• Silver-Tinned 100% Virgin Copper
• 4-channel RCA Interconnect Cable

• 50W x 4-Chan. @ 4 ohm
• 1" Silk Dome Tweeter
• Tuned Poly-Mica Cone
• 4 Ohm Impedance
• 3-Way System Protection
• Extremely Small Footprint!
• Silver-Tinned 100% Virgin Copper
• 4-channel RCA Interconnect Cable

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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.

    All About Discontinued 4-Channel Amplifiers


    Car Audio 4-Channel Amplifier

    At the heart of the best-sounding audio system you've ever heard in a vehicle is a powerful amplifier that surely packs a punch. A 4-channel amplifier is the centerpiece that gives life to speakers, subwoofers, or even both for a surround sound experience that's always meant to be a memorable ride. When it comes to power, a 4-channel amplifier beats the amp inside a dash-mounted receiver any day.

    Showcasing multi-channels, this amplifier is originally designed to amp up a 4-speaker system, such as a couple of pairs of full-range speakers. Bridging 2 channels of this amplifier allows you to power a subwoofer, while the other channels remain connected to the speakers, turning your vehicle into one mighty boombox: wielding crystal highs, stunning lows, and carrying an ambiance that fully immerses you. A 4-channel amplifier is a priority upgrade for your system if you want to combat the loud revving noises of your vehicle's powerful engine or cancel out the audio distortion from your music. Amplifiers like these are guaranteed to provide you with true high fidelity, bass boost, and a new love for your audio system.

    Our massive catalog of premium 4-channel amplifiers with classifications including Class AB which features higher efficiency, less distortions, and is the most commonly used type of audio power amplifier design; and Class-D amplifiers which are known to be highly efficient with power and delivering sound signals. Sonic Electronix certainly contains the ideal amp for you - from Pioneer, JVC, NVX, Belva, Kicker, Rockford Fosgate, Cerwin-Vega, and more.

    Sonic Electronix Learning Center: Amplifier Classes

    If you're on the hunt for the best quality 4-channel amplifiers, you've come to the right place. Our extensive selection guarantees that you'll find only the finest products to elevate your car audio experience. Whether you're a music enthusiast or a casual listener, our range of high-performance 4-channel amplifiers will exceed your expectations.

    4-channel amplifiers are a versatile and essential component in upgrading your car audio system. As the name implies, a 4-channel amplifier has four output channels, which allows you to power your front and rear speakers separately. This configuration is perfect for car owners who seek a balanced and immersive audio experience, with crystal-clear sound for both the front and rear passengers.

    One of the primary advantages of a 4-channel amplifier is its ability to distribute power efficiently to all four speakers, ensuring that each speaker receives optimal power for enhanced sound clarity and precision. This results in a well-balanced audio experience, where every note and beat comes to life, providing an immersive and enjoyable driving journey.

    Additionally, 4-channel amplifiers often feature various configurations, including bridgeable options that allow you to combine two channels to power a more potent subwoofer or component speakers. This flexibility offers you the freedom to customize your car audio system according to your preferences, achieving the perfect balance between your front and rear speakers or adding a dedicated subwoofer for deep bass.

    At Sonic Electronix, we are committed to helping you find the best 4-channel amplifiers that cater to your specific needs. Our team of car audio experts is ready to provide exceptional service and assistance throughout your shopping experience. If you have any questions or need personalized advice on selecting the ideal amplifier for your car audio system, don't hesitate to reach out to us at 1-502-200-8010. Our friendly staff will be delighted to address your inquiries and ensure you find the perfect 4-channel amplifier to elevate your car audio experience.

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    We have information on brands, gear, and more for you to explore! Check out our YouTube Channel for helpful how-to videos, product reviews, and Q&As. For a more detailed look, also visit our Learning Center!
    Our trained experts are here to assist you! They are just a phone call or click away to help you get the right gear for you and your vehicle!
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    1985 Buick Skyhawk

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    Identify your vehicle and submodel details
    • Owner's manual
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    • Vehicle produced after 2005: Inside driver's side door
    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
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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.