Kicker 45KMA3004 4-Channel 75 x 4 Marine Amplifier

Model: 45KMA3004 UPC: 713034085010 Item: 170395


Regular Price: $299.95

Save: $50.00 (17%)

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104 E Vine St. Hatfield, PA 19440
  • Mon - Fri: 9am - 4pm
  • Sat: By appointment only
  • Sun: Closed
(866) 961-7781
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754 Route 309 (Bethlehem Pike) Montgomeryville, PA 18936
  • Mon: 9:30am - 8pm
  • Tues - Fri: 9:30am - 6pm
  • Sat: 9:30am - 6pm
  • Sun: 12pm - 5pm
(215) 368-8343
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38 Greenfield Avenue, Ardmore, PA 19003
  • Mon - Fri: 10am - 6pm
  • Sat: 10am - 5pm
  • Sun: Closed
(610) 649-7002
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Product Information

45KMA3004 4-Channel 75 watts x 4 Marine Amplifier

Top Tech

Purpose-built for your boat, every KM amp comes complete with marine-grade speaker terminals, stainless-steel screws, conformal-coated circuit boards and ABYC/NMMA-compliant power connections.


Dialing in your sound is easy with KM amps. Variable 12dB crossovers are built in, plus a 24dB subsonic filter is also included on the KMA600.1 mono amplifier, and Amp 3 of the KMA450.6. The amplifiers are also equipped with the KickEQ™ variable 12dB bass boost!

Power the Party

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.


  • 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.



  • Power [watts/ch], 2 ohm stereo: 75 x 4
  • Power [watts/ch], 4 ohm bridged mono: 150 x 2
  • Power [watts/ch], Class D 2 ohm mono: n/a
  • KM remote capable (sold separately): No
  • Dimensions [in]: 2-5/16H x 7-1/8W x 12-7/16L
  • Dimensions [cm]: 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 ration: >95dB, a-weighted, re: rated power
  • Active crossover: 12dB/octave, variable 50-200Hz, selectable high pass, low pass or all pass
  • Subsonic filter: n/a
  • KickEQ™ boost: Variable to +12dB, centered @ 40Hz

What's in the Box

What's in the Box:

  • One 45KMA3004 amplifier
  • Mounting hardware
  • Owners manual



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