Kicker Audio KM Marine 300W 4 Channel Full-Range Amplifier

Name: Kicker Audio KM Marine 300W 4 Channel Full-Range Amplifier
Brand: Kicker Marine Audio
SKU: KA45KMA3004
Availability: Discontinued

KA45KMA3004

A four-channel Class D marine amplifier delivering up to 75 watts per channel, or 150 watts bridged into two, for as many as eight speakers. Conformal-coated board, ABYC/NMMA connections and 316L stainless hardware for the water.

Description

The KMA300.4 is a four-channel amplifier from KICKER's value-focused KM marine range, flexible enough to run an entire small system or to drive the mid and high-range speakers in a larger install. A Class D power plant delivers up to 75 watts per channel into four speakers, or 150 watts bridged into two, and it can power as many as eight speakers around the boat. A variable 12dB crossover and KickEQ variable bass boost let you dial the system in quickly.

It is engineered to resist the marine environment. The circuit board is conformal-coated against moisture, the power connections are ABYC and NMMA compliant, and 316L stainless steel mounting hardware is included so the amplifier stands up to sun, salt and spray on an open boat.

PRODUCT DETAILS

Class D four-channel amplifier with bridging capability
75 watts RMS x 4 at 2 ohms, 40 watts RMS x 4 at 4 ohms
150 watts RMS x 2 bridged into two channels
Powers as many as eight speakers around the boat
Variable 12dB crossover with KickEQ variable bass boost
Conformal-coated circuit board and ABYC/NMMA compliant power connections
316L stainless steel mounting hardware included

KMA300.4 four-channel power amplifier
316L stainless steel mounting hardware
User manual

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Power

RMS Power @ 4 ohm stereo	40 W x 4
RMS Power @ 2 ohm stereo	75 W x 4
RMS Power @ 4 ohm bridged mono	150 W x 2

General

Channels	4
Amplifier Class	D
Frequency Response	10 Hz - 20 kHz, +0/-1dB
Signal-to-Noise Ratio	Greater than 95 dB, a-weighted
Input Sensitivity	High level 250 mV - 10 V, low level 125 mV - 5 V
Crossover	12dB/octave, variable 50-200 Hz, selectable high pass, low pass or all pass
KickEQ Bass Boost	Variable to +12 dB, centred at 40 Hz
Remote Level Control	Not capable
Dimensions (L x H x W)	12-7/16 x 2-5/16 x 7-1/8 in (31.5 x 5.9 x 18.0 cm)

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How many speakers can the KMA300.4 power?

It has four channels and can drive as many as eight speakers around the boat. Each channel puts out up to 75 watts at 2 ohms, and channels can be bridged for 150 watts x 2 when you want more output into a pair of speakers or a subwoofer.

Is the KMA300.4 suitable for use on a boat?

Yes. It is a marine amplifier with a conformal-coated circuit board, ABYC and NMMA compliant power connections and 316L stainless steel mounting hardware, so it is built to handle the sun, salt and spray of the marine environment. Mount it in a protected, ventilated location for best results.

Can the KMA300.4 power a subwoofer?

Yes. Each channel includes a selectable high-pass, low-pass or all-pass crossover plus KickEQ variable bass boost, so you can bridge two channels and set a low-pass filter to run a subwoofer, or keep all four channels for full-range speakers.