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Kicker KMA450.6 6-Channel Marine Amplifier (Certified Refurbished)

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SKU : KMA4506B
Available in store only, call for details
  • Six-Channel Amplifier With Bridging Capability
  • Three-Zone Control
  • Full-Range Volume Controller Included

Kicker KMA450.6 6-Channel Marine Amplifier (Certified Refurbished)

Big sound meets big value. Use this flexible KM Six-Channel Marine Amplifier to power your system with ease and pump up the sound like only KICKER can!

In the Zone

With this KM Six-Channel Amp, your boat is a floating concert! Connect as many as 12 speakers in three independent zones to control the volume level on the tower speakers, and in the cabin or even the deck! A separate full-range level control connects to the amp for even more convenience. It’s truly one of the most versatile amps in marine audio.

This amp also features variable bass boost with KickEQ™, giving you as much as a 12dB of extra bump, as well as a powerful 12dB crossover and 24dB subsonic filter, letting you quickly tune your system to perfection.


Class-D Power Supply Six-Channel Amplifier With Bridging Capability Three-Zone Control Full-Range Volume Controller Included Conformal-Coated Circuit Board Variable 12dB Crossover 24dB Subsonic Filter (Amp 3 Only) KickEQ™ Variable 12dB Bass Boost ABYC/NMMA-Compliant Power Connections 316L Stainless-Steel Hardware Included

Want setup help? Go to KICKER U for a free woofer & amplifier configuration app!

This KM-Series amplifier delivers as much as 75 watts into six channels, or 150 watts bridged into three channels. See below for more details.


POWER [watts/ch], 2 OHM STEREO: 75 x 6
POWER [watts/ch], 4 OHM BRIDGED MONO: 150 x 3
POWER [watts/ch], CLASS D 2 OHM MONO: n/a
DIMENSIONS [in]: 2-5/16H x 7-1/8W x 13-15/16L
DIMENSIONS [cm]: 5.9H x 18.0W x 35.3L
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
SUBSONIC FILTER: (Amp 3 only) 24dB/octave, high-pass fixed @ 25Hz
KickEQ™ BOOST: (Amp 3 only) Variable to +12dB, centered @ 40Hz

Amp 1 and Amp 2: HP only; 12dB/octave, variable 0-200Hz;
Amp 3: OFF/HP/LP; 12dB/octave, variable, 25-200Hz

What's in the Box: 1 - power amplifier
1 - remote control
1 - remote cable
1 - user manual, mounting hardware

More Information
Product Name Kicker KMA450.6 6-Channel Marine Amplifier (Certified Refurbished)
Manufacturer Kicker
Manufacturer's Warranty 1 Year Manufacture's Warranty
Manufacture's Warranty 2 N/A
UPC 713034085034
Manufacturer Sku 45KMA4506-2
Amplifier Channels 6 Channel
RMS Power Output (Watts x Channels) 40 x 6
Power at 2 Ohms (Watts x Channels) 75 x 6
Bridged Power (Watts x Channels) 150 x 3
Minimum Impedance Unbridged 2 Ohm
Minimum Impedance Bridged 4 Ohm
Amplifier Class Class D
Low-Pass Crossover Frequency 50-200 Hz (Amp3)
High-Pass Crossover Frequency 50-200 Hz