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Kicker 44KXMA800.8

8-channel marine amplifier — 50 watts RMS x 8

Item # 206KXMA808

Kicker's KXMA800.8 marine 8-channel amplifier will bring brilliance and clarity to your sound, powering eight...

Read more from Crutchfield writer, Buck P.

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About the Kicker 44KXMA800.8

Powerful, dependable, and good-looking

Kicker's KXMA800.8 marine 8-channel amplifier will bring brilliance and clarity to your sound, powering eight speakers with 50 watts RMS each. You can also use this amp in a 4-way system, with two channels powering tweeters, two channels powering midrange drivers, two powering mid-bass speakers, and two channels bridged together to power a subwoofer with up to 200 watts RMS. This versatile amp will always find a place in your boat's sound system, no matter how it evolves over the years.

Powerful, dependable, and good-looking

Kicker's KXMA800.8 marine 8-channel amplifier will bring brilliance and clarity to your sound, powering eight speakers with 50 watts RMS each. You can also use this amp in a 4-way system, with two channels powering tweeters, two channels powering midrange drivers, two powering mid-bass speakers, and two channels bridged together to power a subwoofer with up to 200 watts RMS. This versatile amp will always find a place in your boat's sound system, no matter how it evolves over the years.

Stays cool under pressure

This reliable and compact KXM Series rocker will run cool even when pushed hard, thanks to its high-mass heatsink, high-tech internal components, and efficient full-range Class-D amp technology.

Made for marine use

The KXMA800.8 features a conformal-coated circuit board for improved water and dust resistance, plus corrosion-resistant power connections, a gasket-sealed front cover, and stainless steel mounting hardware that won't rust all over your boat's gel coat or carpeting.

Connection perfection

Kicker employs their Fail-Safe Integration Technology (FIT2™) to reject noise and stop any interference generated by your boat's electronics, so you'll enjoy your music clean and pure. Speaker-level inputs make it possible to hook this amp up to almost any stereo receiver or radio. Kicker also helps you set this amp's gain properly, by offering free test tones for downloading. You play a tone and turn the gain up until the gain knob glows red. Then, you turn it down until it just goes out, and the amp's gain is set perfectly.

Versatile controls behind the folding door

A gasket-sealed front door gives you quick and easy access to your amp's controls. You can tune for almost any kind of speaker, as the steeply-sloped high- and low-pass filters offer a wide range of adjustment. The filter sections for the Amp 3 and Amp 4 channels can be set up for bandpass operation — where both the high- and low-pass filters are engaged to allow only the frequencies between them to play — for optimizing the signal for midrange speakers in a 3- or 4-way system.

kicker 44KXMA800.5

KXMA800.5 control panel

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Product highlights:

  • 8-channel marine amplifier
  • 50 watts RMS x 8 at 4 ohms (100 watts RMS x 8 at 2 ohms)
  • 200 watts RMS x 4 bridged at 4 ohms (4-ohm stable in bridged mode)
  • CEA-2006 compliant
  • Class D amp technology
  • gain knobs also function as clip lights
  • Amp 1 and Amp 2:
    • variable high- or low-pass filter (10-5000 Hz, 24 dB/octave)
  • Amp 3 and Amp 4:
    • variable high-pass filter (10-500 Hz, 24 dB/octave)
    • variable low-pass filter (40-5000 Hz, 24 dB/octave)
    • bandpass engages both high- and low-pass filters
  • variable bass boost (0-18 dB at 40 Hz) on all channels
More Features:
  • weather-resistant conformal-coated circuit boards
  • front-mounted controls protected behind gasket-sealed fold-down door
  • Fail-Safe Integration Technology eliminates noise from your vehicle's electrical system
  • preamp and speaker-level inputs (speaker wire to RCA adapter required for speaker-level input)
  • wiring, hardware, and fuse not included with amplifier
    • 4-gauge power and ground wires and a 120-amp fuse recommended
  • dimensions: 14-311/16"W x 2-1/4"H x 8-7/16"D
  • warranty: 2 years
  • Our 60-day money-back guarantee
  • MFR # 44KXMA8008
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What's in the box:

  • 8-channel amplifier
  • 4 Self-tapping screws (2" length)
  • 4 Flat washers
  • 3mm Allen wrench
  • Owner's Manual
  • Kicker Livin' Loud Performance Certificate

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Features

Overview: Kicker KXM Series amplifiers combine a small footprint and sleek design with ample power to drive your speakers and subwoofers. The KXM amps are designed for marine applications, with sealed controls and gasketed power terminals to protect them from moisture. New technology onboard lets you easily set the gain and maximize the output. KXM amplifiers feature FIT2 (Fail-Safe Integration Technology) circuitry to let you connect the amp to virtually any radio.

Marine Certified: The Kicker KMX Series amplifiers are made for marine applications. The power, ground, remote, and speaker terminals meet stringent standards set by the NMMA (National Marine Manufacturers Association) and the ABYC (American Boat & Yacht Council) for protection from moisture. The control panel has a drop-down door with a rubber gasket to keep moisture out. The internal circuit boards are conformal coated to protect them from water damage. On the outside, the aluminum chassis is UV-treated to protect it from harmful UV rays for long life.

Power Output: The KXMA800.8 is an 8-channel amplifier designed to power up to four pairs of speakers or subwoofers. The amplifier provides the following power output:

  • 50 watts x 8 RMS at 4Ω stereo (≤1% THD+N, 14.4V)
  • 100 watts x 8 RMS at 2Ω stereo (≤1% THD+N, 14.4V)
  • 200 watts x 4 RMS at 4Ω mono (≤1% THD+N, 14.4V)

Gain Matching: The Kicker KXMA800.8 makes it easy to set the input gain through a procedure called Gain Matching. The goal is to match the output of the source unit to the input level of the amplifier. The amp features a self-illuminating gain control knob that indicates when the amplifier is clipping, allowing you to properly set the gain. Kicker recommends setting the gain using test tones for best results.

Controls: The controls for the amplifier are located on the side of the amplifier behind a protective drop-down door. The door is sealed with a rubber gasket to keep out dust and moisture. A 3mm Allen wrench is provided for gaining access to the controls. Essentially, the amp is configured as four separate stereo amplifiers, and there are separate controls for Amp 1, Amp 2, Amp 3, and Amp 4. The controls include:

  • Gain Control: The rotary Gain Control lets you match the output of the source unit to the amplifier. When setting the Gain, you should turn the source unit up to about 3/4 of the maximum volume, adjust the gain until the LED on the Gain Control illuminates (or audible distortion can be heard), and then back the gain down slightly.
  • Crossovers: The amp has rotary controls for setting the crossovers for Amps 1, 2, 3, and 4. The crossovers have a 24dB/octave slope.
    • Amp 1: The Amp 1 crossover can be set to high-pass, low-pass, or full-range (off) operations. The cutoff frequency can be set between 10Hz and 500Hz or between 100Hz and 5000Hz with the 1x/10x range switch set to 10x.
    • Amp 2: The Amp 2 crossover can be set to high-pass, low-pass, or full-range (off) operations. The cutoff frequency can be set between 10Hz and 500Hz or between 100Hz and 5000Hz with the 1x/10x range switch set to 10x.
    • Amp 3: The Amp 3 crossover can be set to high-pass, low-pass, band-pass, or full-range (off) operations. The high-pass cutoff frequency can be set between 10Hz and 500Hz. The low-pass cutoff frequency can be set between 40Hz and 500Hz or between 400Hz and 5000Hz with the 10x range switch setting.
    • Amp 4: The Amp 4 crossover can be set to high-pass, low-pass, band-pass, or full-range (off) operations. The high-pass cutoff frequency can be set between 10Hz and 500Hz. The low-pass cutoff frequency can be set between 40Hz and 500Hz or between 400Hz and 5000Hz with the 10x range switch setting.
  • KickEQ Bass Boost: The KickEQ Bass Boost features a rotary control to set the level between 0dB and 18dB at a center frequency of 40Hz. Separate KickEQ controls are provided for Amp 1, Amp 2, Amp 3, and Amp 4.
  • Fader Switches: The Fader switches are used to select which inputs are active with respect to their paired output. You can send an audio signal to all eight channels with a single pair of RCA inputs by setting all fader switches to on. If you are using all four pairs of RCA inputs, all fader switches should be set to off.
  • Radio Detect: If you are sending a high-level input signal to the amplifier, but the amp cannot detect it, the Radio Detect feature adds a load resistor to the inputs to tell the source unit that speakers are present. Radio Detect should not be used when using low-level inputs.

Auto Turn-on: The amplifier has three Auto Turn-on modes: +12V, Signal Sense, and DC Offset. The preferred auto turn-on method is to run an 18-gauge wire from the remote turn-on lead of the source unit to the Remote (REM) terminal on the amp. When a +12V signal is detected on the wire, the amplifier will turn on. If your source unit lacks a remote turn-on lead (a factory head unit, for example), you can choose to turn on the amplifier via the signal sense or DC Offset method. When the incoming audio signal from the source unit is detected, the amplifier automatically powers up. When a 3V DC offset is detected on the source unit's speaker outputs, the amplifier automatically turns on. You can select the Auto Turn-on method via a 3-way switch.

Connections: The KXMA800.8 has set screw terminals for power, ground, and turn-on lead (REM). The power and ground terminals will accept up to 4-gauge wire (4-gauge is recommended), and the turn-on lead will accept up to 8 gauge (18-gauge recommended). The set screws can be loosened/tightened with the supplied 3mm Allen wrench. The speaker outputs are set-screw terminals as well, and capable of accepting up to 8-gauge speaker wire. Four pairs of RCA jacks are provided for the input signals. The RCA inputs will receive either high or low level signals from your source unit. If you are using a high level signal, you can connect the source unit's speaker wires to optional Kicker KiSL speaker-to-RCA adapters, or splice the speaker wires to a male RCA plug.

External Fuse: The amplifier does not include a built-in fuse, therefore an external fuse should be placed on the power wire, within 7" (U.S.C.G. standard) of the battery. It is recommended that a 4-gauge amplifier wiring kit and a 120A external fuse or circuit breaker be used when installing the amplifier.

Note: Kicker will extend the standard warranty by an additional year (for a total of three years) when a qualifying Kicker Installation Kit (such as the PK4 or CK4) is purchased with the amplifier.

Certified Power: Each amplifier is tested when it comes off of the assembly line. Tests are run for Total Harmonic Distortion, Signal-to-Noise Ratio, Protection Circuit, and Total Power Output. A Certified Power certificate with model and serial number is included with each amp with the measured power output figure, and a pass/fail grade for the other tests.

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Customer Q&A

1 question already asked

Q
How do I run my speakers and subwoofers off my kxma800.8 amp with no cross over switch on amp?
[ Matthew  Jun 10, 2017 ]
1 answer
A
If you purchased the product from Crutchfield, feel free to contact our Tech Support team. They can walk you through the connections on the product. Our toll-free Tech Support number is printed on your invoice, and is also available under the "My Orders" tab in the "My Account" section of our website. If you did not purchase the unit from Crutchfield, then you may want to contact the manufacturer, or try our online support center: http://crutchfield.custhelp.com/app/answers/list/kw/.
[ Kenny  Jun 10, 2017 ]  Staff

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