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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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You are currently viewing discontinued products.

Kicker KEY180.4 (45KEY1804) Key Smart Amplifier

180W RMS 4-Channel Full-Range Car Amplifier with Automatic EQ, DSP, Time Alignment

KEY180.4 big DISCONTINUED
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Kicker KEY180.4 (45KEY1804) Key Smart Amplifier

180W RMS 4-Channel Full-Range Car Amplifier with Automatic EQ, DSP, Time Alignment

• 45 Watts RMS x 4 @ 4 ohm
• Automatic Tuning
• CEA-2006 Compliant
• All Tuning Performed with Included Microphone
• Improves Sound at the Touch of a Button
• Dimensions: 7-3/8" W x 2-3/4" L x 1-11/16" H

5

• 45 Watts RMS x 4 @ 4 ohm
• Automatic Tuning
• CEA-2006 Compliant
• All Tuning Performed with Included Microphone
• Improves Sound at the Touch of a Button
• Dimensions: 7-3/8" W x 2-3/4" L x 1-11/16" H

Kicker DXA250.4 (43DXA2504)

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

43DXA2504 big DISCONTINUED
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Kicker DXA250.4 (43DXA2504)

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

• 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

2

• 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

Kicker CXA300.4 (43CXA3004) Open Box

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

43CXA3004 big DISCONTINUED
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Kicker CXA300.4 (43CXA3004) Open Box

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 DX200.4 (08DX200.4)

200W 4-Channel DX Series Amplifier (DX2004)

08DX200.4 big DISCONTINUED
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Kicker DX200.4 (08DX200.4)

200W 4-Channel DX Series Amplifier (DX2004)

• 50 Watts x 4-Channel @ 2 Ohm
• 25 Watts x 4-Channel @ 4 Ohm
• 100 Watts x 2-Channel @ 4 Ohm
• Muting Circuit
• 3 Automatic Turn-On Modes
• Balanced Differential Inputs

6

• 50 Watts x 4-Channel @ 2 Ohm
• 25 Watts x 4-Channel @ 4 Ohm
• 100 Watts x 2-Channel @ 4 Ohm
• Muting Circuit
• 3 Automatic Turn-On Modes
• Balanced Differential Inputs

Kicker 08ZX350.4

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

08ZX350.4 big DISCONTINUED
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Kicker 08ZX350.4

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

11

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 DX400.4 (11DX400.4)

400W 4-Channel DX Series Class A/B Amplifier

11DX400.4 big DISCONTINUED
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Kicker DX400.4 (11DX400.4)

400W 4-Channel DX Series Class A/B Amplifier

• 100 Watts x 4-Channel @ 2 Ohm
• 50 Watts x 4-Channel @ 4 Ohm
• 200 Watts x 2-Channel @ 4 Ohm
• Muting Circuit
• 3 Automatic Turn-On Modes
• Balanced Differential Inputs

2

• 100 Watts x 4-Channel @ 2 Ohm
• 50 Watts x 4-Channel @ 4 Ohm
• 200 Watts x 2-Channel @ 4 Ohm
• Muting Circuit
• 3 Automatic Turn-On Modes
• Balanced Differential Inputs

Kicker 08ZX650.4

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

08ZX650.4 big DISCONTINUED
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Kicker 08ZX650.4

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

3

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 ZX350.4 (11ZX350.4)

350W RMS 4-Channel ZX Series Amplifier (ZX3504)

11ZX3504 big DISCONTINUED
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Kicker ZX350.4 (11ZX350.4)

350W RMS 4-Channel ZX Series Amplifier (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

3

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

Kicker 08ZX200.4

200W RMS, 4-Channel ZX Series Amplifier (ZX200.4, 08ZX2004, ZX2004)

08ZX200.4 big DISCONTINUED
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Kicker 08ZX200.4

200W RMS, 4-Channel ZX Series Amplifier (ZX200.4, 08ZX2004, ZX2004)

ZX Series 4-Channel Class AB Car Amplifier • 35W x 4 chan. @ 4 ohm • 50W x 4 chan. @ 2 ohm • 100W x 2 chan. @ 4 ohm • 200W x 4 chan. Max • Balanced differential inputs make KICKER ZX Amplifiers compatible with any factory radios

3

ZX Series 4-Channel Class AB Car Amplifier • 35W x 4 chan. @ 4 ohm • 50W x 4 chan. @ 2 ohm • 100W x 2 chan. @ 4 ohm • 200W x 4 chan. Max • Balanced differential inputs make KICKER ZX Amplifiers compatible with any factory radios

Kicker KX350.4 KX-Series 04KX350.4

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Kicker KX350.4 KX-Series 04KX350.4

4-Channel KX-Series Power Amplifier • 90W RMS x 2 @ 2 • KickBass • 4-Way Protection • Aluminum EndKaps • Adjustable Input Gain • High and Low Level Inputs

2

4-Channel KX-Series Power Amplifier • 90W RMS x 2 @ 2 • KickBass • 4-Way Protection • Aluminum EndKaps • Adjustable Input Gain • High and Low Level Inputs

Kicker 08ZX850.4

850W RMS, 4-Channel ZX Series Amplifier (ZX850.4, 08ZX8504, ZX8504)

08ZX850.4 big DISCONTINUED
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Kicker 08ZX850.4

850W RMS, 4-Channel ZX Series Amplifier (ZX850.4, 08ZX8504, ZX8504)

ZX Series 4-Channel Class AB Car Amplifier • 175W x 4 chan. @ 4 ohm • 215W x 4 chan. @ 2 ohm • 425W x 2 chan. @ 4 ohm • 850W x 2 chan. Max • Balanced differential inputs make KICKER ZX Amplifiers compatible with any factory radios

ZX Series 4-Channel Class AB Car Amplifier • 175W x 4 chan. @ 4 ohm • 215W x 4 chan. @ 2 ohm • 425W x 2 chan. @ 4 ohm • 850W x 2 chan. Max • Balanced differential inputs make KICKER ZX Amplifiers compatible with any factory radios

Kicker CX300.4 (Open Box)

300W Class D 4-Channel CX Series Car Amplifier

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Kicker CX300.4 (Open Box)

300W Class D 4-Channel CX Series Car Amplifier

• 40W x 4-Chan. @ 4 ohm
• 75W x 4-Chan. @ 2 ohm
• 3-Way System Protection
• 4/3/2 Channel Operation
• 4 Gauge Power and Ground Inputs
• Nickel-Plated Terminals

4

• 40W x 4-Chan. @ 4 ohm
• 75W x 4-Chan. @ 2 ohm
• 3-Way System Protection
• 4/3/2 Channel Operation
• 4 Gauge Power and Ground Inputs
• Nickel-Plated Terminals

Kicker KX400.4 (40KX400.4)

400W KX Series 4-Channel Class D-IC Stereo Bridgeable Car Power Amplifier (KX4004)

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Kicker KX400.4 (40KX400.4)

400W KX Series 4-Channel Class D-IC Stereo Bridgeable Car Power Amplifier (KX4004)

• 50W x 4-Chan. @ 4 ohm
• 100W x 4-Chan. @ 2 ohm
• Bridged: 200W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• Single Channel Operation
• 4 Gauge Power and Ground Inputs
• Stylish Magnetic Panel Covers Tuning Options for Clean Install

2

• 50W x 4-Chan. @ 4 ohm
• 100W x 4-Chan. @ 2 ohm
• Bridged: 200W x 2 Chan. @ 4 ohm
• 3-Way System Protection
• Single Channel Operation
• 4 Gauge Power and Ground Inputs
• Stylish Magnetic Panel Covers Tuning Options for Clean Install

Kicker ZX650.4 (11ZX650.4)

650W 4-Channel ZX Series Car Amplifier

11ZX6504 big DISCONTINUED
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Kicker ZX650.4 (11ZX650.4)

650W 4-Channel ZX Series Car Amplifier

• 120W x 4-Chan. @ 4 ohm
• 160W x 4-Chan. @ 2 ohm
• 320W x 2 chan. @ 4 ohm
• 650W Total RMS
• Balanced differential inputs

9

• 120W x 4-Chan. @ 4 ohm
• 160W x 4-Chan. @ 2 ohm
• 320W x 2 chan. @ 4 ohm
• 650W Total RMS
• Balanced differential inputs

Kicker IX254 Impulse Series

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Kicker IX254 Impulse Series

25W RMS x 2 at 4 ohm • 65W RMS x 1 in bridged mode • 35W RMS x 2 at 2 ohm • Requires 10 Gauge Wiring • 2 ohm mono stable

25W RMS x 2 at 4 ohm • 65W RMS x 1 in bridged mode • 35W RMS x 2 at 2 ohm • Requires 10 Gauge Wiring • 2 ohm mono stable

Kicker SX700.4

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

SX700.4 big DISCONTINUED
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Kicker SX700.4

4-Channel SX-Series 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

1

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

Kicker IX500.4 (10IX500.4)

500W 4-Channel Class D IX Series Amplifier (IX5004)

10IX500.4 big DISCONTINUED
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Kicker IX500.4 (10IX500.4)

500W 4-Channel Class D IX Series Amplifier (IX5004)

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

15

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

Kicker ZX460-2

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Kicker ZX460-2

60W RMS x 4 at 2 ohm • 90W RMS x 4 at 1 ohm • 30W RMS x 4 at 4 ohm • 180W RMS x 2 at 2 ohm in bridged mode • 1 ohm stereo stabe, 2 ohm mono stable • Tri-Way (2-,3-, 4-channel output)

60W RMS x 4 at 2 ohm • 90W RMS x 4 at 1 ohm • 30W RMS x 4 at 4 ohm • 180W RMS x 2 at 2 ohm in bridged mode • 1 ohm stereo stabe, 2 ohm mono stable • Tri-Way (2-,3-, 4-channel output)

Kicker ZX350.4 (10ZX350.4)

350W RMS, 4-Channel ZX Series Amplifier (ZX3504)

10ZX350.4 big DISCONTINUED
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Kicker ZX350.4 (10ZX350.4)

350W RMS, 4-Channel ZX Series Amplifier (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

19

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

Kicker KX550.3

KX-Series 04KX550.3 3-Channel Amplifier

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Kicker KX550.3

KX-Series 04KX550.3 3-Channel Amplifier

3-Channel KX-Series Power Amplifier • 80W RMS x 2 @ 2 + 420W RMS x 1 @ 2 • KickBass • 4-Way Protection • Aluminum EndKaps • Adjustable Input Gain • High and Low Level Inputs

2

3-Channel KX-Series Power Amplifier • 80W RMS x 2 @ 2 + 420W RMS x 1 @ 2 • KickBass • 4-Way Protection • Aluminum EndKaps • Adjustable Input Gain • High and Low Level Inputs

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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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