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  1. Home
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  3. Discontinued Kicker Car Audio & Electronics
  4. Discontinued Kicker Car Amplifiers
  5. Discontinued Kicker 4-Channel Amplifiers

Discontinued Kicker 4-Channel Amplifiers

Drive your sound with Kicker's 4-channel amplifiers – perfect harmony in every note.

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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.
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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EXCLUSIVE

Kicker + Cerwin Vega Ultra-Compact 4-Channel Full-Range 6½" Speaker System

CSS65 CS Series Component Speakers + CS65 CS Series Coaxial Speakers + Cerwin-Vega B4 4-Ch. Class-D Amplifier + TruConnex Amp Wiring Kit

40CSS654_40CS654_B4_TC4KIT-84B big DISCONTINUED
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Kicker + Cerwin Vega Ultra-Compact 4-Channel Full-Range 6½" Speaker System

CSS65 CS Series Component Speakers + CS65 CS Series Coaxial Speakers + Cerwin-Vega B4 4-Ch. Class-D Amplifier + TruConnex Amp Wiring Kit

• 4 ohm: 80 watts x 4 chan.
• 4 ohm Impedance
• Polypropylene Cone
• Ribbed, Polyester Foam Surround
• Balanced Dome Tweeter
• Dual Zone , operate two separate devices to two separate stages (front vs rear)
• Ultra Compact High Density Aluminium Alloy Chassis
• Direct FET Power Mosfet Output Stage
• Dimensions: 4.02"W x 8.7"L x 1.4"H

• 4 ohm: 80 watts x 4 chan.
• 4 ohm Impedance
• Polypropylene Cone
• Ribbed, Polyester Foam Surround
• Balanced Dome Tweeter
• Dual Zone , operate two separate devices to two separate stages (front vs rear)
• Ultra Compact High Density Aluminium Alloy Chassis
• Direct FET Power Mosfet Output Stage
• Dimensions: 4.02"W x 8.7"L x 1.4"H

Kicker 08ZX350.4 Factory Refurbished

(Factory Refurbished) 350W RMS, 4-Channel ZX Series Amplifier (ZX350.4, 08ZX3504, ZX3504)

08ZX350.4 big DISCONTINUED
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Kicker 08ZX350.4 Factory Refurbished

(Factory Refurbished) 350W RMS, 4-Channel ZX Series Amplifier (ZX350.4, 08ZX3504, ZX3504)

ZX Series 4-Channel Class AB Car Amplifier • 60W x 4 chan. @ 4 ohm • 90W x 4 chan. @ 2 ohm • 175W x 2 chan. @ 4 ohm • 350W x 2 chan. Max • Balanced differential inputs make KICKER ZX Amplifiers compatible with any factory radios

ZX Series 4-Channel Class AB Car Amplifier • 60W x 4 chan. @ 4 ohm • 90W x 4 chan. @ 2 ohm • 175W x 2 chan. @ 4 ohm • 350W x 2 chan. Max • Balanced differential inputs make KICKER ZX Amplifiers compatible with any factory radios

Kicker 02KX800.4 KX-Series 02KX800.4

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Kicker 02KX800.4 KX-Series 02KX800.4

100W RMS x 4 at 4 ohm • 400W RMS x 2 in bridged mode • 200W RMS x 4 at 2 ohm • Requires 4 Gauge Wiring • 2 ohm mono stable • Remote Bass Level Control

100W RMS x 4 at 4 ohm • 400W RMS x 2 in bridged mode • 200W RMS x 4 at 2 ohm • Requires 4 Gauge Wiring • 2 ohm mono stable • Remote Bass Level Control

Kicker 08ZX650.4 Open Box

(Open Box) 650W RMS, 4-Channel ZX Series Amplifier (ZX650.4, 08ZX6504, ZX6504)

08ZX650.4 big DISCONTINUED
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Kicker 08ZX650.4 Open Box

(Open Box) 650W RMS, 4-Channel ZX Series Amplifier (ZX650.4, 08ZX6504, ZX6504)

ZX Series 4-Channel Class AB Car Amplifier • 120W x 4 chan. @ 4 ohm • 170W x 4 chan. @ 2 ohm • 325W x 2 chan. @ 4 ohm • 650W x 4 chan. Max • Balanced differential inputs make KICKER ZX Amplifiers compatible with any factory radios

ZX Series 4-Channel Class AB Car Amplifier • 120W x 4 chan. @ 4 ohm • 170W x 4 chan. @ 2 ohm • 325W x 2 chan. @ 4 ohm • 650W x 4 chan. Max • Balanced differential inputs make KICKER ZX Amplifiers compatible with any factory radios

Kicker 02KX300.4 KX-Series 02KX300.4

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Kicker 02KX300.4 KX-Series 02KX300.4

38W RMS x 4 at 4 ohm • 150W RMS x 2 in bridged mode • 75W RMS x 4 at 2 ohm • Requires 4 Gauge Wiring • 2 ohm mono stable

38W RMS x 4 at 4 ohm • 150W RMS x 2 in bridged mode • 75W RMS x 4 at 2 ohm • Requires 4 Gauge Wiring • 2 ohm mono stable

Kicker Amplifier and Speaker Bundle

6-3/4" KS650.2 Component Car Speakers + Kicker IX500.4 4-Channel Class D Amplifier + Kit + Sound Damp

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Kicker Amplifier and Speaker Bundle

6-3/4" KS650.2 Component Car Speakers + Kicker IX500.4 4-Channel Class D Amplifier + Kit + Sound Damp

6-3/4" KS Series Component System • 300W Max • 150W RMS • IX Series 4-Channel Class D Car Amplifier • MOSFET Power Supply • CEA-2006 Compliant Amplifier • Amplifier Kit • Sound Dampening Material

6-3/4" KS Series Component System • 300W Max • 150W RMS • IX Series 4-Channel Class D Car Amplifier • MOSFET Power Supply • CEA-2006 Compliant Amplifier • Amplifier Kit • Sound Dampening Material

Kicker KX850.4

KX-Series 04KX850.4 4-Channel Amplifier

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Kicker KX850.4

KX-Series 04KX850.4 4-Channel Amplifier

4-Channel KX-Series Power Amplifier • 215W RMS x 4 @ 2 • KickBass • 4-Way Protection • Aluminum EndKaps • Adjustable Input Gain • High and Low Level Inputs

4-Channel KX-Series Power Amplifier • 215W RMS x 4 @ 2 • KickBass • 4-Way Protection • Aluminum EndKaps • Adjustable Input Gain • High and Low Level Inputs

Kicker KXA400.4 (44KXA4004)

400W RMS KXA Class-D 4-Channel 2-Ohm Stable Amplifier with Remote Level Control

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Kicker KXA400.4 (44KXA4004)

400W RMS KXA Class-D 4-Channel 2-Ohm Stable Amplifier with Remote Level Control

• 50 Watts RMS x 4 @ 4 ohm
•100 Watts RMS x 4 @ 2 ohm
• 800 Watts RMS x 2 @ 4 Ohm, Bridged
• CEA-2006 Compliant
• Aluminum Heatsink
• Dimensions: 8-5/16" W x 11-3/16" L x 2-1/8" H

• 50 Watts RMS x 4 @ 4 ohm
•100 Watts RMS x 4 @ 2 ohm
• 800 Watts RMS x 2 @ 4 Ohm, Bridged
• CEA-2006 Compliant
• Aluminum Heatsink
• Dimensions: 8-5/16" W x 11-3/16" L x 2-1/8" H

Kicker 43CXA3004, Open Box (Very Good, Used)

600W Peak (300W RMS) CX Series 4-Channel Bridgeable Class D Car Amplifier

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Kicker 43CXA3004, Open Box (Very Good, Used)

600W Peak (300W RMS) CX Series 4-Channel Bridgeable Class D Car Amplifier

• Item Condition - Very Good, Used
• 75 Watts RMS x 4 @ 2 ohm
• Total Peak Power: 600 Watts
• Preamp RCA outputs to daisy chain multiple amps
• Variable Low/High-Pass Crossover: 50 - 200Hz 12dB/octave
• Variable Bass Boost: 0 to +12 dB bass boost at 40 Hz
• Dimensions: 7-3/16"W x 12-7/16"L x 2-3/8"H

• Item Condition - Very Good, Used
• 75 Watts RMS x 4 @ 2 ohm
• Total Peak Power: 600 Watts
• Preamp RCA outputs to daisy chain multiple amps
• Variable Low/High-Pass Crossover: 50 - 200Hz 12dB/octave
• Variable Bass Boost: 0 to +12 dB bass boost at 40 Hz
• Dimensions: 7-3/16"W x 12-7/16"L x 2-3/8"H

Kicker IX500.4 (10IX500.4) Open Box

(Open Box) 500W RMS, 4-Channel Class D IX Series Amplifier (IX5004)

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Kicker IX500.4 (10IX500.4) Open Box

(Open Box) 500W RMS, 4-Channel Class D IX Series Amplifier (IX5004)

IX Series Class D Car Amplifier • 4-Channel Operation • 75W x 4 Chan. @ 4 ohm • 125W x 4 Chan. @ 2 ohm • 250W x 2 Chan. Bridged • 0-18 Bass Boost • Gold-Plated Terminals • Small Footprint • Low and High Pass Filters

IX Series Class D Car Amplifier • 4-Channel Operation • 75W x 4 Chan. @ 4 ohm • 125W x 4 Chan. @ 2 ohm • 250W x 2 Chan. Bridged • 0-18 Bass Boost • Gold-Plated Terminals • Small Footprint • Low and High Pass Filters

Kicker KX650.4

KX-Series 04KX650.4 4-Channel Amplifier

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Kicker KX650.4

KX-Series 04KX650.4 4-Channel Amplifier

4-Channel KX-Series Power Amplifier • 170W RMS x 4 @ 2 • KickBass • 4-Way Protection • Aluminum EndKaps • Adjustable Input Gain • High and Low Level Inputs

3

4-Channel KX-Series Power Amplifier • 170W RMS x 4 @ 2 • KickBass • 4-Way Protection • Aluminum EndKaps • Adjustable Input Gain • High and Low Level Inputs

Kicker 02KX550.3 KX-Series 02KX550.3

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Kicker 02KX550.3 KX-Series 02KX550.3

40W RMS x 2 + 200W x 1 at 4 ohm • 75 watts x 2 + 400 watts x 1 at 2 ohm • Requires 4 Gauge Wiring • 2 ohm stable • Remote Bass Level Control

40W RMS x 2 + 200W x 1 at 4 ohm • 75 watts x 2 + 400 watts x 1 at 2 ohm • Requires 4 Gauge Wiring • 2 ohm stable • Remote Bass Level Control

Kicker PXA300.4 / 42PXA3004 Damaged Packaging Only (New)

300W 4-Channel PXA-Series Powersports/ATV/Motorcycle/Car/Boat/Mini Amplifier

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Kicker PXA300.4 / 42PXA3004 Damaged Packaging Only (New)

300W 4-Channel PXA-Series Powersports/ATV/Motorcycle/Car/Boat/Mini Amplifier

• RMS: 50W x 4 @ 4 ohm, 75W x 4 @ 2 ohm, 150W x 2 @ 1 ohm
• Total RMS power output: 200 Watts
•Weather-resistant with a conformal-coated circuit board
•Specifically designed for motorized vehicles
• No-rust, stainless-steel mounting hardware and a single Molex plug

5

• RMS: 50W x 4 @ 4 ohm, 75W x 4 @ 2 ohm, 150W x 2 @ 1 ohm
• Total RMS power output: 200 Watts
•Weather-resistant with a conformal-coated circuit board
•Specifically designed for motorized vehicles
• No-rust, stainless-steel mounting hardware and a single Molex plug

Kicker ZX350.4 Factory R/B

06ZX350.4 ZX Series 4-Channel Amplifier

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Kicker ZX350.4 Factory R/B

06ZX350.4 ZX Series 4-Channel Amplifier

350 watts, ZX Series 4-Channel Amplifier • 90 watts x 4 chan. @ 2 ohm • CEA-2006 Compliant • 12 dB per octave Crossover • High Level Inputs

350 watts, ZX Series 4-Channel Amplifier • 90 watts x 4 chan. @ 2 ohm • CEA-2006 Compliant • 12 dB per octave Crossover • High Level Inputs

EXCLUSIVE

Kicker 11ZX3504 + Amplifier Kit

350W 4-Channel Class A/B Car Amp + The Install Bay 8 Gauge Amp Kit + 1F Cap + Ring Terminals

11ZX3504_AK8 big DISCONTINUED
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Kicker 11ZX3504 + Amplifier Kit

350W 4-Channel Class A/B Car Amp + The Install Bay 8 Gauge Amp Kit + 1F Cap + Ring Terminals

ZX Series 4-Channel Class AB Car Amplifier • MOSFET Power Supply • Fail-Safe Integration Technology • Variable Low-Pass Filter • Variable High-Pass Filter • RX1200 Digital 1.2 Farad Capacitor • For Systems up to 1200 Watts • Complete 8 Gauge Amplifier Installation Kit with RCA Interconnect Cables

71

ZX Series 4-Channel Class AB Car Amplifier • MOSFET Power Supply • Fail-Safe Integration Technology • Variable Low-Pass Filter • Variable High-Pass Filter • RX1200 Digital 1.2 Farad Capacitor • For Systems up to 1200 Watts • Complete 8 Gauge Amplifier Installation Kit with RCA Interconnect Cables

EXCLUSIVE

Kicker Speakers + MTX Audio Amplifier Bundle

6-3/4" 11KS65 KS Series Speakers + MTX Audio RT604 4-Channel Amplifier + Kit + Sound Dampening

RT604_11KS65 big DISCONTINUED
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Kicker Speakers + MTX Audio Amplifier Bundle

6-3/4" 11KS65 KS Series Speakers + MTX Audio RT604 4-Channel Amplifier + Kit + Sound Dampening

6-3/4" KS Series Car Speakers • 390W Max • 130W RMS • Road Thunder Series 4-Channel Class AB Car Amplifier • PWM MOSFET Power Supply • CEA-2006 Compliant Amplifier • Amplifier Kit • Sound Dampening Material

89

6-3/4" KS Series Car Speakers • 390W Max • 130W RMS • Road Thunder Series 4-Channel Class AB Car Amplifier • PWM MOSFET Power Supply • CEA-2006 Compliant Amplifier • Amplifier Kit • Sound Dampening Material

Kicker CXA300.4 Amplifier (43CXA3004)

600 Watt Peak (300W RMS) CX Series 4-Channel Bridgeable Class-D Car Amplifier

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Kicker CXA300.4 Amplifier (43CXA3004)

600 Watt Peak (300W RMS) CX Series 4-Channel Bridgeable Class-D Car Amplifier

• 75 Watts RMS x 4 @ 2 ohm
• Total Peak Power: 600 Watts
• Preamp RCA outputs to daisy chain multiple amps
• Variable Low/High-Pass Crossover: 50 - 200Hz 12dB/octave
• Variable Bass Boost: 0 to +12 dB bass boost at 40 Hz
• Dimensions: 7-3/16"W x 12-7/16"L x 2-3/8"H

• 75 Watts RMS x 4 @ 2 ohm
• Total Peak Power: 600 Watts
• Preamp RCA outputs to daisy chain multiple amps
• Variable Low/High-Pass Crossover: 50 - 200Hz 12dB/octave
• Variable Bass Boost: 0 to +12 dB bass boost at 40 Hz
• Dimensions: 7-3/16"W x 12-7/16"L x 2-3/8"H

Kicker ZX850.4 Factory R/B

06ZX850.4 ZX Series 4-Channel Amplifier

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Kicker ZX850.4 Factory R/B

06ZX850.4 ZX Series 4-Channel Amplifier

4-Channel ZX-Series Power Amplifier • 215W RMS x 4 @ 2 • KickBass • 4-Way Protection • Aluminum EndKaps • Adjustable Input Gain • High and Low Level Inputs

4-Channel ZX-Series Power Amplifier • 215W RMS x 4 @ 2 • KickBass • 4-Way Protection • Aluminum EndKaps • Adjustable Input Gain • High and Low Level Inputs

Kicker 02KX700.5 KX-Series 02KX700.5

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Kicker 02KX700.5 KX-Series 02KX700.5

40W x 4 + 200W x 1 RMS at 4 ohm • 150W x 2 + 200W x 1 bridged power • 75 watts x 4 + 400 x 1 at 2 ohm • Requires 4 Gauge Wiring • 2 ohm stable • Remote Bass Level Control

40W x 4 + 200W x 1 RMS at 4 ohm • 150W x 2 + 200W x 1 bridged power • 75 watts x 4 + 400 x 1 at 2 ohm • Requires 4 Gauge Wiring • 2 ohm stable • Remote Bass Level Control

Kicker SX700.4 Factory R/B

SX 4-Channel Amplifier with Digital Sound Processing 04SX700.4

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Kicker SX700.4 Factory R/B

SX 4-Channel Amplifier with Digital Sound Processing 04SX700.4

4-Channel Amplifier with Digital Signal Processing • 175W RMS x 4 @ 2 ohm • 350W RMS x 2 @ 4 Ohm • ISIS • BLAST Port • SAMS • UltraMatch Gain Structure • Kompressor • RCA Outputs

4-Channel Amplifier with Digital Signal Processing • 175W RMS x 4 @ 2 ohm • 350W RMS x 2 @ 4 Ohm • ISIS • BLAST Port • SAMS • UltraMatch Gain Structure • Kompressor • RCA Outputs

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    Kicker 4-Channel Amplifiers Information

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