Now Hiring - Installers, Detailers and Window Tinters. Learn More

Stores open in WA, OR, CO and TX Find Your Store

Great Sound Made Easy
From speaker upgrades to full audio overhauls, we make upgrading your vehicle’s sound easier than ever.


Want to know if this product is compatible with your car? We’ll tell you for free!

Brand Kicker
SKU:  48KMA6004
(0 Reviews)

Kicker 48KMA6004 KM-Series KMA600.4 Multi-Channel Marine Amplifier 4 x 150 W RMS

Brand Kicker
SKU:  48KMA6004
(0 Reviews)

Kicker 48KMA6004 KM-Series KMA600.4 Multi-Channel Marine Amplifier 4 x 150 W RMS

Save 17%
In Stock
Find a store
Find a store Check in-store availability
Installation Service
Available at all Car Toys locations
Our certified installers are true automotive enthusiasts. Their work is their passion and for jobs big or small, simple or complex, there's no better way to go..

FREE installation is currently offered for this product. FREE same day installation of receiver will be available with purchase online or in-store. A $125 value. Includes standard receiver installation in most vehicles. Additional parts and labor including receiver harnesses and kits, if needed, are extra. Contact stores for details.

Brand Kicker
SKU:  48KMA6004
(0 Reviews)
In Stock

Kicker 48KMA6004 KM-Series KMA600.4 Multi-Channel Marine Amplifier 4 x 150 W RMS



About This Product


Kicker 48KMA600.4 Multi-Channel Marine Amplifier

Big sound meets big value. Use this flexible four-channel KM-Series marine amplifier to power your system like only KICKER can!

Power the Party

Using a Class-D power plant, this amp features a variable bass boost with KickEQ™, giving you as much as 6dB of extra bump. Powering as many as eight speakers, this amplifier makes your entire boat sound like a floating concert! A powerful 12dB crossover is also included, letting you quickly tune your system to perfection.

Ultra-Efficient Class D Design
725 Watts of Dynamic Power
Four-Channel Amplifier with Bridging Capability
Conformal-Coated Circuit Board
Variable 12dB Crossover
KickEQ™ Variable 6dB Bass Boost
Real Marine™ ABYC/NMMA-Compliant Power Connections
316L Stainless-Steel Hardware Included

Want setup help" Go to KICKER U for a free woofer-and-amp configuration app!

This KM-Series amplifier delivers 150 watts into four channels, or 300 watts bridged into two channels. See below for more details.


POWER [watts/ch], 2 OHM STEREO: 150 x 4
POWER [watts/ch], 4 OHM STEREO: 75 x 4
POWER [watts/ch], 4 OHM BRIDGED MONO: 300 x 2
DYNAMIC POWER [watts]: 725
Dimensions [in] all models 2-5/16H x 7-1/8W x 12-7/16L
Dimensions [cm] all models 5.9H x 18.0W x 31.5L
FREQUENCY RESPONSE [Hz]: 10-20k, +0/-1dB
INPUT SENSITIVITY: High Level 250mV-10V | Low Level 125mV-5V
SIGNAL-TO-NOISE RATIO: <95dB, a-weighted, re: rated power
ACTIVE CROSSOVER: 12dB/octave, variable 50-200Hz, selectable high pass, low pass or all pass
KickEQ™ BOOST: Variable 0-6dB, centered @ 40Hz

RMS Power test @ 14.4v @ </- 1% THD+N, Audio Precision® APx500 analyzer, see for details.

Dynamic Power test @ 14.4v @ &ly;/- 10% THD+N, Audio Precision APx500 analyzer, see for details.

Audio Precision is a registered trademark of Audio Precision in the United States and other countries.

  • True Marine Amp
  • FIT2 works with any source unit
  • 1-Ohm Stable