![Kicker Audio KM Marine 300W 4 Channel Full-Range Amplifier](https://media.hudsonmarine.co.uk/uploads/Kicker/kicker-audio-km-marine-300w-4-channel-full-range-amplifier-ka45kma3004.jpg)
Kicker Audio KM Marine 300W 4 Channel Full-Range Amplifier
Big sound meets big value. Use this flexible four-channel KM marine amplifier to power your system with ease and pump up the sound like only KICKER can! Using a Class-D power plant, this amp features a variable bass boost with KickEQ, giving you as much as 12dB 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.
![](https://hudsonmarine.co.uk/../uploads/Kicker/kicker-audio-km-marine-300w-4-channel-full-range-amplifier-ka45kma3004-f.jpg)
Features
- Class-D Power Supply
- Four-Channel Amplifier With Bridging Capability
- Conformal-Coated Circuit Board
- Variable 12dB Crossover
- KickEQ™ Variable 12dB Bass Boost
- ABYC/NMMA-Compliant Power Connections
- 316L Stainless-Steel Hardware Included
- This KM-Series amplifier delivers as much as 75 watts into four channels…
- Or 150 watts bridged into two channels
- In the box is one amplifier, a user manual and mounting hardware
SKU |
KA45KMA1502 |
KA45KMA3004 |
KA45KMA4506 |
KA45KMA6001 |
Channels |
2 |
4 |
6 |
1 |
Rated Power |
40 Watts x 2 @ 4 Ohm 75 Watts x 2 @ 2 Ohm 150 Watts x 1 @ 4 Ohm Bridged |
40 Watts x 4 @ 4 Ohm 75 Watts x 4 @ 2 Ohm 150 Watts x 2 @ 4 Ohm Bridged |
40 Watts x 6 @ 4 Ohm 75 Watts x 6 @ 2 Ohm 150 Watts x 3 @ 4 Ohm Bridged |
300 Watts x 1 @ 4 Ohm 600 Watts x 1 @ 2 Ohm |
Total Power |
150 Watts |
300 Watts |
450 Watts |
600 Watts |
Bridgeable |
Yes |
Yes |
Yes |
No |
Frequency Response |
10Hz to 20kHz +/-1dB |
10Hz to 20kHz +/-1dB |
10Hz to 20kHz +/-1dB |
25Hz to 200Hz +/-1dB |
Signal-to-Noise Ration |
>95dB |
>95dB |
>95dB |
>95dB |
Crossover Controls |
Variable HP/LP 50Hz-200Hz @ 12dB/octave |
Variable HP/LP 50Hz-200Hz @ 12dB/octave |
Amp 1 & 2: Variable HP 0Hz-200Hz @ 12 dB/octave Amp 3: Variable HP/LP 25Hz-200Hz @ 12dB/octave |
Variable LP 50Hz-200Hz @ 12dB/octave |
KickEQ Bass Boost |
0-12dB @ 40Hz |
0-12dB @ 40Hz |
0-12dB @ 40Hz (Amp 3 Only) |
0-12dB @ 40Hz |
Signal Input |
Hi/Low Level: 1 x RCA Pair |
Hi/Low Level: 2 x RCA Pair |
Hi/Low Level: 3 x RCA Pair |
Hi/Low Level: 1 x RCA Pair |
Signal Output |
No |
No |
No |
Low Level: 1 x RCA Pair |
Power Input Connector |
ABYC Compliant Clamp |
ABYC Compliant Clamp |
ABYC Compliant Clamp |
ABYC Compliant Clamp |
Power Wire Gauge |
8 AWG |
4 AWG |
4 AWG |
4 AWG |
Suggested Fuse Rating |
40A |
60A |
80A |
80A |
Speaker Wire Gauge |
16 AWG |
16 AWG |
16 AWG |
16 AWG/12 AWG |
Heat Sink Type |
Aluminium Bottom plate |
Aluminium Bottom plate |
Aluminium Bottom plate |
Aluminium Bottom plate |
Cooling |
Passive |
Passive |
Passive |
Passive |
Remote Control |
No |
No |
Wired Remote Included |
Wired Remote Included |
Visual Indicators |
Power, Protect |
Power, Protect |
Power, Protect |
Power, Protect |
Circuit Topology Class |
Full Range Class-D |
Full Range Class-D |
Full Range Class-D |
Class-D |
Dimensions (H x W x D) |
2-5/16" x 7-1/8" x 8-1/16" |
2-5/16" x 7-1/8" x 12-7/16" |
2-5/16" x 7-1/8" x 13-15/16" |
2-5/16" x 7-1/8" x 8-1/16" |