Garage
Shop

Discontinued Infinity 4-Channel Amplifiers

Perfectly balance your audio with Infinity 4-Channel Amplifiers for a harmonious sound.

Loading...
Filters

Shop the Category

filter-icon Filters & Sort
You are currently viewing discontinued products.
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

Go to item page Right Arrow Icon of Right Arrow

(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

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

Go to item page Right Arrow Icon of Right Arrow

(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

Infinity Kappa Series Speakers + Kicker Amp Upgrade Bundle

682.11cf 6" x 8" / 5" x 7" 2-Way Kappa Series Coaxial Car Speakers + KX400.4 400W KX Series 4-ch Amp + XKIT42 2-ch True Spec 4G Amp Install Kit

Go to item page Right Arrow Icon of Right Arrow

682.11cf 6" x 8" / 5" x 7" 2-Way Kappa Series Coaxial Car Speakers + KX400.4 400W KX Series 4-ch Amp + XKIT42 2-ch True Spec 4G Amp Install Kit

• Speakers: RMS Power: 100W
• 2-Way Coaxial Design
• 50W x 4-Chan. @ 4 ohm
• 100W x 4-Chan. @ 2 ohm
• 4 Gauge 2-Channel X-Series Complete Amplifier Installation Kit

• Speakers: RMS Power: 100W
• 2-Way Coaxial Design
• 50W x 4-Chan. @ 4 ohm
• 100W x 4-Chan. @ 2 ohm
• 4 Gauge 2-Channel X-Series Complete Amplifier Installation Kit

EXCLUSIVE

Power Acoustik 4-Channel Amp + Two Pair of Infinity 6-1/2" Component Speakers

List price $659.89: Power Acoustik R4-1000 1000W 4-Channel Reaper Series Class AB Amplifier + Infinity 6030cs Reference Series Speaker System

Go to item page Right Arrow Icon of Right Arrow

List price $659.89: Power Acoustik R4-1000 1000W 4-Channel Reaper Series Class AB Amplifier + Infinity 6030cs Reference Series Speaker System

• RMS: 85W x 4 @ 4 ohm, 110W x 4 @ 2 ohm
• Peak Power: 270W Each
• RMS Power: 90W Each
• 1" Edge-Driven Textile Dome Tweeter
• Mounting Depth: 2-1/8"
• Injection Molded Polypropylene Cone
• Nominal Impedance: 2 ohm
• Sensitivity: 93dB
•Military Grade PCB w/ PWM MOSFET Power Supply
• 3-way protection circuitry (thermal, overload, and speaker short protection)

• RMS: 85W x 4 @ 4 ohm, 110W x 4 @ 2 ohm
• Peak Power: 270W Each
• RMS Power: 90W Each
• 1" Edge-Driven Textile Dome Tweeter
• Mounting Depth: 2-1/8"
• Injection Molded Polypropylene Cone
• Nominal Impedance: 2 ohm
• Sensitivity: 93dB
•Military Grade PCB w/ PWM MOSFET Power Supply
• 3-way protection circuitry (thermal, overload, and speaker short protection)

EXCLUSIVE

Infinity + JBL 4-Ch Amplified Setup with 6-1/2", 6x8" Speakers and Wiring Kit

Infinity 60.11cs 6.5" Kappa Series Components + Infinity 682.11cf 6x8"/5x7" Kappa Series Coaxials + JBL GX-A604 4-Ch Amplifier + NVX Wiring Kit

Go to item page Right Arrow Icon of Right Arrow

Infinity 60.11cs 6.5" Kappa Series Components + 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

Power Acoustik 4-Channel Amp + Infinity 6-1/2" Component and Coaxial Speakers

List price $519.89: Power Acoustik R4-1000 1000W 4-Channel Class AB Amplifier + Infinity 6030cs & 6032cf Reference Series Speaker System

Go to item page Right Arrow Icon of Right Arrow

List price $519.89: Power Acoustik R4-1000 1000W 4-Channel Class AB Amplifier + Infinity 6030cs & 6032cf Reference Series Speaker System

• RMS: 85W x 4 @ 4 ohm, 110W x 4 @ 2 ohm
• 1" Edge-Driven Textile Dome Tweeter
• Injection Molded Polypropylene Cone
•Nominal Impedance: 2 ohm
• Sensitivity: 93dB
•Military Grade PCB w/ PWM MOSFET Power Supply
• 3-way protection circuitry (thermal, overload, and speaker short protection)

• RMS: 85W x 4 @ 4 ohm, 110W x 4 @ 2 ohm
• 1" Edge-Driven Textile Dome Tweeter
• Injection Molded Polypropylene Cone
•Nominal Impedance: 2 ohm
• Sensitivity: 93dB
•Military Grade PCB w/ PWM MOSFET Power Supply
• 3-way protection circuitry (thermal, overload, and speaker short protection)

EXCLUSIVE

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

Infinity 60.11cs 6.5" Kappa Series Components + Infinity 62.11I 6.5" Kappa Series Coaxials + JBL GX-A604 4-Ch Amplifier + NVX Wiring Kit

';insertAfter(target,newItem);}addCertified();
Go to item page Right Arrow Icon of Right Arrow

Infinity 60.11cs 6.5" Kappa Series Components + 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

Promo Savings Icon
';insertAfter(target,newItem);}addCertified();

• 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

    Clear all

    Infinity 4-Channel Amplifiers Information

    A 4 channel car amplifier from Infinity will provide your vehicle with the power it requires. These amps can operate four channels and Infinity is a leader in amplification solutions. Power your speakers with a Infinity 4-channel amplifier for a great all around sound.
    why-shoping-with-sonic

    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
    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!
    Why Shop With Us?
    Save up to 10 different vehicles in your garage
    Vehicle
    Store
    Delete

    2003 Subaru Legacy

    2012 Ford Mustang

    2000 Lexus GS300

    2006 Saab 9-5

    1997 Ford Expedition

    2001 Subaru Impreza

    2012 Subaru Forester

    2002 Kia Optima

    2014 Ford Expedition

    2011 Audi A5

    Add vehicle Clear all vehicles
    Where to find vehicle info
    Are you sure you want to clear your garage?
    This action cannot be undone. Confirm
    This page was not designed for products.
    If you continue, you will be redirected to a category customized for your vehicle. Continue
    Loading...
    Identify your vehicle and submodel details
    • Owner's manual
    • Vehicle's insurance card
    • Vehicle registration
    • Vehicle produced after 2005: Inside driver's side door
    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
    Car Info Side Door Icon
    Vehicle Registration Icon
    Vehicle Insurance Icon

    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.