Kicker KX1200.1

Mono subwoofer amplifier
300 watts RMS x 1

  • Kicker KX1200.1


  • Kicker KX1200.1


  • Kicker KX1200.1

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  • Kicker KX1200.1

  • Kicker KX1200.1


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Item #: 2064KX1200

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Our take on the Kicker KX1200.1

by Ken Nail

My system has plenty of power. Who needs an amp?

You might think you don't need an amp because you have a 400-watt system in your car, or because your new stereo puts out 50 watts a channel. But those are peak wattage ratings, which may boil down to 15 or 20 watts per channel, using the more realistic RMS rating. An amp sends your speakers the power they need to deliver your music with clarity and impact, whether you're using factory speakers or high-performance components. And low-frequency reproduction requires lots of power, so an amp is an absolute must if you're adding a sub to your system.

Want big bass? Look at our Subwoofers A tricked out system calls for a kickin' amp, and nothing fits the bill like a KX series amplifier from Kicker. These high-end amps set the standard for clean, steady sound with MOSFET power supplies for cool, efficient operation. And the futuristic cosmetics will definitely set your installation apart from the crowd.

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Give your music all the thump it can handle with Kicker's powerful KX1200.1 subwoofer amp. Take your pick — there's 300 watts of RMS power at 4 ohms, 600 watts at 2 ohms, or a thunderous 1200 watts on tap at 1 ohm. Add precise sound shaping controls, and you've got an amplifier capable of unleashing a bass quake.

If that's not enough for you, you can take advantage of Kicker's amp-strapping technology and hook two KX1200.1 amps together for bass that's off the scale. And you can trust the CEA-2006 compliant power ratings are a true measure of this amp's capabilities.

There's a built-in low-pass crossover so you can tailor the amp's output to meet your subs' needs precisely. You'll find a subsonic filter on board to curb power-wasting ultra-low frequencies. Use the 0-18 dB bass boost to dial in the exact amount of low-end bump you need — the included wired remote lets you adjust the amp's output level on the fly.


  • mono subwoofer car amplifier
  • 300 watts RMS x 1 at 4 ohms (600 watts RMS x 1 at 2 ohms, or 1200 watts RMS x 1 at 1 ohm)
  • variable low-pass filter (50-200 Hz at 12 dB per octave)
  • variable bass boost (0-18 dB at 40 Hz)
  • remote bass level control
  • subsonic filter (12 dB @ 25 Hz)
  • fan cooled Class D design
  • CEA-2006 compliant
  • amp strapping allows two KX1200.1 amps to work together
  • speaker- and preamp-level inputs
  • preamp outputs
  • 1/0-gauge power and ground leads recommended — wiring and hardware not included with amplifier
  • 22-1/4"W x 2-5/8"H x 9-7/8"D
  • warranty: 2 years
  • Our 60-day money-back guarantee

Note: There is no built-in fuse protection in the KX1200.1. Kicker recommends that the included in-line 150A fuse be placed in the power cable leading to the amp.

Hands-on research from the Crutchfield Labs (what are the Labs?)

Features and Specs
RMS Power Output (Watts x Channels) 300 x 1
Peak Power Output (Watts x Channels) 1200 x 1
Power at 2 Ohms (Watts x Channels) 600 x 1
Bridged Power (Watts x Channels) N/A
Minimum Impedance Bridged N/A
Minimum Impedance Unbridged 1
Best Frequency Response 20-200 Hz
THD at Rated RMS Power 0.015%
Signal to Noise Ratio 95 dB
Input Voltage 14.4v
Amplifier Class D
Low-Pass Crossover Frequency 50-200 Hz
Low-Pass Slope (dB/octave) 12 dB
High-Pass Crossover Frequency N/A
High-Pass Slope (dB/octave) N/A
Bass Boost 0-18 dB
Bass Boost Frequency 40 Hz
Fan Cooled Yes
Fuse Rating 150 x 1 (external)
Speaker Level Inputs Yes
Preamp Outputs 1 pair
Width (inches) 22-1/4
Height (inches) 2-9/16
Depth (inches) 9-7/8
Parts Warranty 2 Years
Labor Warranty 2 Years
Product Research
What's in the box?

Download owner's manual

  • One mono sub amp
  • 1 Kicker fuse block with 150a ANL fuse already installed
  • Remote bass level control with mounting bracket and screws
  • 19.75' Cable for remote bass level control
  • 3mm Allen wrench
  • Molex harness for speaker-level input connection
  • Four 7/8" mounting screws
  • 38.75" mono-mini-to-mono-mini cable
  • Owner's manual
  • Owner's manual (French/Spanish/Dutch)
  • Warranty Registration Card (return for free Kicker decal and wearables catalog)
  • Certified Power certificate

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Inputs and Outputs
Wiring Recommendation


Cosmetics: The amplifier is gray and it has a black, removable metal shroud.

Class D Mono Amplifier: Delivers massive power into a single channel without big current draw.

Low Impedance Operation: This amp is 1-ohm stable.

Amplifier Shroud: The amplifier has a metal shroud that must be removed before installation, allowing access to the amplifier's inputs and outputs. Once the amplifier is installed and all the connections are made, you can re-install the shroud to hide the connections on the amplifier, or leave the shroud off to save space. With the shroud removed, the amp has the following dimensions: W=18.875" (20.8125" with RCA's) x H=2.238" x D=9.565".

Kicker "Living Loud" Certified Power Certificate: The amplifier comes with a certificate that informs you of the total maximum wattage of the particular amplifier, along with the model number, serial number, tested date, and whether the amplifier passed the total harmonic distortion, signal-to-noise ratio, and protection circuit tests (if it shipped, you can count on it passing these tests).

Speaker-level Inputs: One high-level input connection is included to allow use with sources that do not have RCA preamp level outputs. 

PAST (Pre Amp Signal Transfer): Output RCA jacks to pass the incoming signal to another amplifier or component.

Amp Strapping Jacks: This feature allows you to hook two KX1200.1 together, and combine their power to drive one woofer. The minimum impedance for this application is 2 ohms. Note: You can only strap two of the same model amps together.

Built-in Variable Electronic Crossovers: There are two built-in crossovers that allow you to select high-pass for satellite speakers, low-pass for subwoofers, or bypass for full-range operation. The crossover frequency is variable from 50 to 200Hz.

Subsonic Filter Switch: The sub-sonic filter is used to filter out low frequencies that you cannot hear but add distortion to your system. The crossover point is 25Hz, and has a slope of 12dB/octave.

In-line Fuse Holder with 150A ANL Fuse: This amplifier does not have a fuse in the chassis. You must used this fuse and fuse holder to protect the amp and your car's electrical system. The fuse holder accepts 1/0 gauge wire. The fuse holder has a clear detachable cover with a Kicker logo on top. The base is black and the terminals are gold-plated. The dimensions of the fuse holder are: 4.554" L x 2.291" W x 1.076".

SORT (Short circuit, Over-voltage, Reverse polarity, Thermal) Protection Circuitry: The SORT protection circuitry guards against accidents and undesired operation. The Power LED on the left side of the amp glows green and the power indicator on top of the amp glows red when the amplifier is connected correctly and SORT has not been engaged. If the red Protection LED illuminates, SORT has been engaged and the amplifier is in protect mode until the problem is resolved.

KickBass Bass Boost: The two KickBass bass boost circuits provide up to 18dB signal boost at 40Hz.

Remote Bass Level Control: This dash-mounted remote unit allows you to adjust the output level of the amplifier. The control has the following dimensions: 2.208" W x 1.717" D (2.105" including the knob) x 1.164" H.


Top of Amplifier:

  • KickBass Bass Boost Control: rotary control, boosts the bass at 40Hz from 0 to +18dB
  • Gain Control: rotary input gain control, 170mV-5V line level, 340mV-10V speaker level
  • Variable Crossover Frequency Control: adjustable from 50-200Hz

Right Side of Amplifier:

  • Subsonic Filter Switch: On or Off

Inputs and Outputs

Left Side of Amplifier: 

  • 12+ (power): gold-plated screw terminal (terminal is 0.440" wide)
  • REM (remote turn-on): gold-plated screw terminal (terminal is 0.246" wide)
  • GND (ground): gold-plated screw terminal (terminal is 0.440" wide)

Right Side of Amplifier:

  • Left Speaker Output: gold-plated screw terminal (terminal is 0.220" wide)
  • Right Speaker Output: gold-plated screw terminal (terminal is 0.220" wide)
  • High Level Input: Molex plug input for included harness
  • RCA Input: gold-plated RCA line input jacks
  • RCA Output: gold-plated RCA line output jacks
  • Remote Bass Level Input
  • Amp Strapping Output (mono female mini plug)
  • Amp Strapping Input (mono female mini plug)


Power Rating (measured at 14.4V):

  • 4-Ohm Mono: 300 watts RMS x 1
  • 2-Ohm Mono: 600 watts RMS x 1
  • 1-Ohm Mono: 1200 watts RMS x 1

Power Rating (measured at 12.5V):

  • 4-Ohm Mono: 215 watts RMS x 1
  • 2-Ohm Mono: 525 watts RMS x 1
  • 1-Ohm Mono: 1050 watts RMS x 1

Wiring Recommendation

Wiring Recommendations: This amplifier has a 150-amp fuse, so its fuse rating exceeds that of stock wiring kits. Since pre-packaged amplifier wiring kits cannot be used, you must purchase all the necessary items separately. An ANL wafer-style fuse holder and 150-amp ANL wafer fuse are supplied. The separate parts and wiring needed to install this amplifier are as follows:

  • 2 power rings for 1/0 gauge cable
  • 1/0 gauge power cable (to connect the battery to a fuse holder and the fuse holder to the amplifier)
  • 1/0 gauge ground cable 
  • Remote turn-on cable (speaker wire can be used as remote turn-on cable)
  • One set of stereo RCA patch cables
  • Speaker wire
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Kicker KX1200.1 Reviews

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5 out of 5

Kicker KX1200.1

Written By Jamie, On the island between two bridges on Sunday, June 19, 2005
Using an xs50 and zr1000, this was the 4th Kicker amp I've bought. Powering a B15, works as I expected it too, even at 12.5v. Changed alternator and bought a second one to drive a second Brahma. Kicker will always be among my first for amp choices for subs.
12 out of 16 people found this helpful
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5 out of 5

Kicker KX1200.1

Written By Skowt, Waco,Texas on Tuesday, March 22, 2005
This amp equals OWN with two Solo baric L7 12" Subs!
318 out of 467 people found this helpful
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