The KA48KMA3604 is a genuine Kicker Marine Audio KMA360.4 (OEM 48KMA3604) 4-channel, full-range marine amplifier designed for harsh saltwater environments. Built with REAL MARINE power connections, conformal-coated circuitry and 316L stainless hardware, its an ideal upgrade to power cabin and cockpit speakers with clean, controllable output.

• Type: 4-channel marine / powersports amplifier (bridgable)
• Amplifier class: Class A/B
• RMS power (14.4V): 65W x 4 @ 4a9; 90W x 4 @ 2a9; 180W x 2 bridged @ 4a9
• Dynamic power: 500W
• Frequency response: 10Hz30kHz (+0/-1dB)
• Active crossover: 12dB/oct, selectable HP/LP/OFF, variable 50300Hz
• Bass boost: KickEQ 06dB @ 40Hz
• Input sensitivity: Low-level 125mV5V; High-level 250mV10V
• Minimum impedance: 2a9 per channel stereo; 4a9 bridged
• Dimensions (H x W x L): 2-5/16 x 7-1/8 x 12-7/16 (5.9 x 18.0 x 31.5cm)
• Installation notes: Use marine-grade wiring/fuse holders; recommended external fuse 60A and 8 AWG power/ground (confirm to your run length and boat standards).

Before ordering: confirm your speaker loads, wiring plan (including any bridged channels), and available mounting space to ensure correct fitment and safe operation.