Garage
Shop

Discontinued Cadence 4-Channel Amplifiers

Loading...
Filters

We are sorry, no available results!

Shop the Category

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

Cadence Momentum CSA1000.4

1200W 4-Channel Momentum CSA Series Class AB Full Range Amplifier

Go to item page Right Arrow Icon of Right Arrow

1200W 4-Channel Momentum CSA Series Class AB Full Range Amplifier

• RMS: 150 x 4 @ 4 ohm, 300W x 4 @ 2 ohm, Bridged 600W x 2 @ 4 ohm
• Total Peak Power: 1200W
• High Speed MOSFET Power Supply
• Silver Pate Connectors
• Heavy Duty Aluminum Heat Sink
• 8.00" W x 10.70" L x 2.00" H

• RMS: 150 x 4 @ 4 ohm, 300W x 4 @ 2 ohm, Bridged 600W x 2 @ 4 ohm
• Total Peak Power: 1200W
• High Speed MOSFET Power Supply
• Silver Pate Connectors
• Heavy Duty Aluminum Heat Sink
• 8.00" W x 10.70" L x 2.00" H

Cadence Q4000 Open Box Complete

1600W 4-Channel Q Series Full Range Class A/B Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

1600W 4-Channel Q Series Full Range Class A/B Car Amplifier

• Item Condition: Open Box Complete
• RMS: 125W x 4 @ 4 ohm, 190W x 4 @ 2 ohm, 380W x 2 @ 4 ohm Bridged
• Total Peak Power: 1600W
• High Speed MosFET Power Supply
• 16V Capable Power Supplies
• Full Range Class A/B
• BiPolar Professional Audio Grade Output Transistors
• 16.9" L x 7.9" W x 2.4 H

• Item Condition: Open Box Complete
• RMS: 125W x 4 @ 4 ohm, 190W x 4 @ 2 ohm, 380W x 2 @ 4 ohm Bridged
• Total Peak Power: 1600W
• High Speed MosFET Power Supply
• 16V Capable Power Supplies
• Full Range Class A/B
• BiPolar Professional Audio Grade Output Transistors
• 16.9" L x 7.9" W x 2.4 H

Cadence Z4000HC (Factory Refurbished)

200 Watts Max (100W RMS) 4 Channel Z Ultradrive Series Amplifier

Go to item page Right Arrow Icon of Right Arrow

200 Watts Max (100W RMS) 4 Channel Z Ultradrive Series Amplifier

• 25 Watts RMS x 4 @ 4 ohm • Total Peak Power: 200 Watts
• Total RMS power output: 100 watts
• Heavy duty aluminum alloy heat-sink for extreme heat dissipation
• 3-way protection circuitry (thermal, overload, and speaker short protection)

• 25 Watts RMS x 4 @ 4 ohm • Total Peak Power: 200 Watts
• Total RMS power output: 100 watts
• Heavy duty aluminum alloy heat-sink for extreme heat dissipation
• 3-way protection circuitry (thermal, overload, and speaker short protection)

Cadence TXA3004 (Factory Refurbished)

4 Channel TXA Series 2-Ohm Stable Bridgeable Amplifier

Go to item page Right Arrow Icon of Right Arrow

4 Channel TXA Series 2-Ohm Stable Bridgeable Amplifier

• 4 Ohm: 75W RMS x 4 ch.
• 2 Ohm: 150W RMS x 4 ch.
•600W RMS x 2 ch. Bridgeable
• 2 Ohm Stable
• Bass Boost Equalization
• Fully Adjustable Low Pass Crossover Filter
• Full IC-Controlled Protection Circuitry

• 4 Ohm: 75W RMS x 4 ch.
• 2 Ohm: 150W RMS x 4 ch.
•600W RMS x 2 ch. Bridgeable
• 2 Ohm Stable
• Bass Boost Equalization
• Fully Adjustable Low Pass Crossover Filter
• Full IC-Controlled Protection Circuitry

Cadence Q4000

1600W 4-Channel Q Series Full Range Class A/B Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

1600W 4-Channel Q Series Full Range Class A/B Car Amplifier

• RMS: 125W x 4 @ 4 ohm, 190W x 4 @ 2 ohm, 380W x 2 @ 4 ohm Bridged
• Total Peak Power: 1600W
• High Speed MosFET Power Supply
• 16V Capable Power Supplies
• Full Range Class A/B
• BiPolar Professional Audio Grade Output Transistors
• 16.9" L x 7.9" W x 2.4 H

• RMS: 125W x 4 @ 4 ohm, 190W x 4 @ 2 ohm, 380W x 2 @ 4 ohm Bridged
• Total Peak Power: 1600W
• High Speed MosFET Power Supply
• 16V Capable Power Supplies
• Full Range Class A/B
• BiPolar Professional Audio Grade Output Transistors
• 16.9" L x 7.9" W x 2.4 H

Cadence Q3000

1200W 4-Channel Q Series Full Range Class A/B Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

1200W 4-Channel Q Series Full Range Class A/B Car Amplifier

• RMS: 90W x 4 @ 4 ohm, 135W x 4 @ 2 ohm, 270W x 2 @ 4 ohm Bridged
• Total Peak Power: 1200W
• High Speed MosFET Power Supply
• 16V Capable Power Supplies
• Full Range Class A/B
• BiPolar Professional Audio Grade Output Transistors
• 14.9" L x 7.9" W x 2.4 H

• RMS: 90W x 4 @ 4 ohm, 135W x 4 @ 2 ohm, 270W x 2 @ 4 ohm Bridged
• Total Peak Power: 1200W
• High Speed MosFET Power Supply
• 16V Capable Power Supplies
• Full Range Class A/B
• BiPolar Professional Audio Grade Output Transistors
• 14.9" L x 7.9" W x 2.4 H

Cadence QRS 4.90GH

540W RMS QRS Series 2 ohm Stable 4-Channel Class-GH Amplifier

Go to item page Right Arrow Icon of Right Arrow

540W RMS QRS Series 2 ohm Stable 4-Channel Class-GH Amplifier

• 90 Watts RMS x 4 @ 4 ohm
• 135 Watts RMS x 4 @ 2 ohm
• 270 Watts RMS x 2 @ 4 ohm, Bridged
• High and Low Pass Filters
• 0-15dB Bass Bosst
• Aluminum Heatsink
• Dimensions: 14.29" W x 7.56" L x 2.32" H

• 90 Watts RMS x 4 @ 4 ohm
• 135 Watts RMS x 4 @ 2 ohm
• 270 Watts RMS x 2 @ 4 ohm, Bridged
• High and Low Pass Filters
• 0-15dB Bass Bosst
• Aluminum Heatsink
• Dimensions: 14.29" W x 7.56" L x 2.32" H

Cadence XaH125.4 (Orange)

1000W, Xenith Series Class A/B 4-Channel Amplifier with Orange Chassis

Go to item page Right Arrow Icon of Right Arrow

1000W, Xenith Series Class A/B 4-Channel Amplifier with Orange Chassis

Xenith Series 4-Channel Class A/B Car Amplifier with Orange Chassis • 80W RMS x 4 Chan. @ 4 ohm • 125W RMS x 4 Chan. @ 2 ohm • 250W RMS x 2 Chan. @ 4 ohm Bridged • MOSFET Power Supply • 4-Way System Protection Circuitry • Variable High/Low-Pass Crossovers • Variable Bass Boost

Xenith Series 4-Channel Class A/B Car Amplifier with Orange Chassis • 80W RMS x 4 Chan. @ 4 ohm • 125W RMS x 4 Chan. @ 2 ohm • 250W RMS x 2 Chan. @ 4 ohm Bridged • MOSFET Power Supply • 4-Way System Protection Circuitry • Variable High/Low-Pass Crossovers • Variable Bass Boost

Cadence FXA2400.4

2400W 4-Channel Flash (FXA) Series Full Range Class A/B Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

2400W 4-Channel Flash (FXA) Series Full Range Class A/B Car Amplifier

• RMS: 65W x 4 @ 4 ohm, 90W x 2 @ 2 ohm, 180W x 2 @ 4 ohm Bridged
• Total Peak Power: 2400W
• High Speed MosFET Power Supply
• Full Range Class A/B
• BiPolar Professional Audio Grade Output Transistors
• 11.7" L x 9.1" W x 2.1 H

• RMS: 65W x 4 @ 4 ohm, 90W x 2 @ 2 ohm, 180W x 2 @ 4 ohm Bridged
• Total Peak Power: 2400W
• High Speed MosFET Power Supply
• Full Range Class A/B
• BiPolar Professional Audio Grade Output Transistors
• 11.7" L x 9.1" W x 2.1 H

Cadence ZXA754 (Factory Refurbished)

300 Watts Max (150W RMS) 4-Channel ZXA Series Stereo High Power Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

300 Watts Max (150W RMS) 4-Channel ZXA Series Stereo High Power Car Amplifier

• 75 Watts RMS x 4 @ 4 ohm • Total Peak Power: 600 Watts
• Total RMS power output: 300 watts
• Heavy duty aluminum alloy heat-sink for extreme heat dissipation
• 3-way protection circuitry (thermal, overload, and speaker short protection)

• 75 Watts RMS x 4 @ 4 ohm • Total Peak Power: 600 Watts
• Total RMS power output: 300 watts
• Heavy duty aluminum alloy heat-sink for extreme heat dissipation
• 3-way protection circuitry (thermal, overload, and speaker short protection)

Cadence XAH175.4 (Orange)

1400W, Xenith Series Class A/B 4-Channel Amplifier with Orange Chassis

Go to item page Right Arrow Icon of Right Arrow

1400W, Xenith Series Class A/B 4-Channel Amplifier with Orange Chassis

Xenith Series 4-Channel Class A/B Car Amplifier with Orange Chassis • 110W RMS x 4 Chan. @ 4 ohm • 175W RMS x 4 Chan. @ 2 ohm • 350W RMS x 2 Chan. @ 4 ohm Bridged • MOSFET Power Supply • 4-Way System Protection Circuitry • Variable High/Low-Pass Crossovers • Variable Bass Boost

Xenith Series 4-Channel Class A/B Car Amplifier with Orange Chassis • 110W RMS x 4 Chan. @ 4 ohm • 175W RMS x 4 Chan. @ 2 ohm • 350W RMS x 2 Chan. @ 4 ohm Bridged • MOSFET Power Supply • 4-Way System Protection Circuitry • Variable High/Low-Pass Crossovers • Variable Bass Boost

Cadence Vegas

900W RMS, United Series Class A/B 4-Channel Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

900W RMS, United Series Class A/B 4-Channel Car Amplifier

United Series 4-Channel Class A/B Car Amplifier • 135W RMS x 4 Chan. @ 4 ohm • 225W RMS x 4 Chan. @ 2 ohm • 450W RMS x 2 Chan. @ 4 ohm Bridged • Wired Bass Remote Included • Preamp RCA Output • Variable High/Low Crossovers • Variable Bass Boost

United Series 4-Channel Class A/B Car Amplifier • 135W RMS x 4 Chan. @ 4 ohm • 225W RMS x 4 Chan. @ 2 ohm • 450W RMS x 2 Chan. @ 4 ohm Bridged • Wired Bass Remote Included • Preamp RCA Output • Variable High/Low Crossovers • Variable Bass Boost

Cadence QR80.4

510 W RMS QR Series 2 ohm Stable 4-Channel Class-D Amplifier

Go to item page Right Arrow Icon of Right Arrow

510 W RMS QR Series 2 ohm Stable 4-Channel Class-D Amplifier

• 80 Watts RMS x 4 @ 4 ohm
• 130 Watts RMS x 4 @ 2 ohm
•255 Watts RMS x 2 @ 4 ohm, Bridged
• Total Peak Power: 510 Watts
• High and Low Pass Filters
• Aluminum Heatsink
• Dimensions: 6.3" W x 9.21" L x 2.05" H

• 80 Watts RMS x 4 @ 4 ohm
• 130 Watts RMS x 4 @ 2 ohm
•255 Watts RMS x 2 @ 4 ohm, Bridged
• Total Peak Power: 510 Watts
• High and Low Pass Filters
• Aluminum Heatsink
• Dimensions: 6.3" W x 9.21" L x 2.05" H

Cadence Chicago

560W RMS, United Series Class A/B 4-Channel Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

560W RMS, United Series Class A/B 4-Channel Car Amplifier

United Series 4-Channel Class A/B Car Amplifier • 90W RMS x 4 Chan. @ 4 ohm • 140W RMS x 4 Chan. @ 2 ohm • 280W RMS x 2 Chan. @ 4 ohm Bridged • Wired Bass Remote Included • Preamp RCA Output • Variable High/Low Crossovers • Variable Bass Boost

United Series 4-Channel Class A/B Car Amplifier • 90W RMS x 4 Chan. @ 4 ohm • 140W RMS x 4 Chan. @ 2 ohm • 280W RMS x 2 Chan. @ 4 ohm Bridged • Wired Bass Remote Included • Preamp RCA Output • Variable High/Low Crossovers • Variable Bass Boost

Cadence ZRS C9

1200W 4-Channel ZRS Series Class A/B Full Range Competition Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

1200W 4-Channel ZRS Series Class A/B Full Range Competition Car Amplifier

• RMS: 100W x 4 @ 4 ohm, 150W x 4 @ 2 ohm• Bridged: 300W x 2 @ 4 ohm
• Total Peak Power: 1200W
• 16V Capable Power Supply
• Bipolar Japanese Sanken Outputs
• 11.6"W x 15"L x 2.7" H

• RMS: 100W x 4 @ 4 ohm, 150W x 4 @ 2 ohm• Bridged: 300W x 2 @ 4 ohm
• Total Peak Power: 1200W
• 16V Capable Power Supply
• Bipolar Japanese Sanken Outputs
• 11.6"W x 15"L x 2.7" H

Cadence XAM500.4BT

1000W Bluetooth Smart Ready 4-Channel Xenith (XAM) Series Class D Full Range Amplifier

Go to item page Right Arrow Icon of Right Arrow

1000W Bluetooth Smart Ready 4-Channel Xenith (XAM) Series Class D Full Range Amplifier

• RMS: 90W x 4 @ 4 ohm, 125W x 4 @ 2 ohm, Bridged, 4 ohm: 250 watts x 2 chan.
• Total Peak Power: 1000W
• Bluetooth Smart Ready inputs
• Full Range Digital Amplifier
• Top Mount Backlit Plexiglass control area
• Aluminum Extruded Chassis
• 12.91" L x 5.00" W x 2.00" H

• RMS: 90W x 4 @ 4 ohm, 125W x 4 @ 2 ohm, Bridged, 4 ohm: 250 watts x 2 chan.
• Total Peak Power: 1000W
• Bluetooth Smart Ready inputs
• Full Range Digital Amplifier
• Top Mount Backlit Plexiglass control area
• Aluminum Extruded Chassis
• 12.91" L x 5.00" W x 2.00" H

Cadence XAM500.4

1000W 4-Channel Xenith (XAM) Series Class D Full Range Amplifier

Go to item page Right Arrow Icon of Right Arrow

1000W 4-Channel Xenith (XAM) Series Class D Full Range Amplifier

• RMS: 90W x 4 @ 4 ohm, 125W x 4 @ 2 ohm, Bridged, 4 ohm: 250 watts x 2 chan.
• Total Peak Power: 1000W
• Full Range Digital Amplifier
• Top Mount Backlit Plexiglass control area
• Aluminum Extruded Chassis
• 12.91" L x 5.00" W x 2.00" H

• RMS: 90W x 4 @ 4 ohm, 125W x 4 @ 2 ohm, Bridged, 4 ohm: 250 watts x 2 chan.
• Total Peak Power: 1000W
• Full Range Digital Amplifier
• Top Mount Backlit Plexiglass control area
• Aluminum Extruded Chassis
• 12.91" L x 5.00" W x 2.00" H

Cadence ZRS C4

1800W 4-Channel ZRS Series Class A/B Full Range Competition Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

1800W 4-Channel ZRS Series Class A/B Full Range Competition Car Amplifier

• RMS: 150W x 4 @ 4 ohm, 225W x 4 @ 2 ohm• Bridged: 450W x 2 @ 4 ohm
• Total Peak Power: 1800W
• 16V Capable Power Supply
• Bipolar Japanese Sanken Outputs
• 11.6"W x 22"L x 2.7"H

• RMS: 150W x 4 @ 4 ohm, 225W x 4 @ 2 ohm• Bridged: 450W x 2 @ 4 ohm
• Total Peak Power: 1800W
• 16V Capable Power Supply
• Bipolar Japanese Sanken Outputs
• 11.6"W x 22"L x 2.7"H

Cadence ZRS C3

4000W 4-Channel ZRS Series Class A/B Full Range Competition Car Amplifier

Go to item page Right Arrow Icon of Right Arrow

4000W 4-Channel ZRS Series Class A/B Full Range Competition Car Amplifier

• RMS: 160W x 2 + 300W x 2 @ 4 ohm, 275W x 2 + 450W x 2 @ 2 ohm, 375W x 2 + 650W x 2 @ 1 ohm
• Bridged: 575W x 1 + 950W x 1 @ 1 Ohm, 750W x 1 + 1250W x 1 @ 2 ohm
• Total Peak Power: 4000W
• 16V Capable Power Supply
• Bipolar Japanese Sanken Outputs
• 11.6"W x 27"L x 2.7"H

• RMS: 160W x 2 + 300W x 2 @ 4 ohm, 275W x 2 + 450W x 2 @ 2 ohm, 375W x 2 + 650W x 2 @ 1 ohm
• Bridged: 575W x 1 + 950W x 1 @ 1 Ohm, 750W x 1 + 1250W x 1 @ 2 ohm
• Total Peak Power: 4000W
• 16V Capable Power Supply
• Bipolar Japanese Sanken Outputs
• 11.6"W x 27"L x 2.7"H

Cadence XaH125.4b (Black)

1000W, Xenith Series Class A/B 4-Channel Amplifier with Black Chassis

Go to item page Right Arrow Icon of Right Arrow

1000W, Xenith Series Class A/B 4-Channel Amplifier with Black Chassis

Xenith Series 4-Channel Class A/B Car Amplifier with Black Chassis • 80W RMS x 4 Chan. @ 4 ohm • 125W RMS x 4 Chan. @ 2 ohm • 250W RMS x 2 Chan. @ 4 ohm Bridged • MOSFET Power Supply • 4-Way System Protection Circuitry • Variable High/Low-Pass Crossovers • Variable Bass Boost

Xenith Series 4-Channel Class A/B Car Amplifier with Black Chassis • 80W RMS x 4 Chan. @ 4 ohm • 125W RMS x 4 Chan. @ 2 ohm • 250W RMS x 2 Chan. @ 4 ohm Bridged • MOSFET Power Supply • 4-Way System Protection Circuitry • Variable High/Low-Pass Crossovers • Variable Bass Boost

Items per page: 20 40 60

    Clear all
    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

    2017 Ford Taurus

    2017 Dodge Durango

    2006 MINI Cooper

    2005 Saab 9-2X

    2003 Dodge Durango

    2018 Ram 1500

    2007 MINI Cooper

    2018 Audi S7

    2002 GMC Sierra 2500 HD

    2011 Mazda 6

    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.