KICKER KXMA900.5 Amplifier
Best five-channel amplifier for high-performance marine audio systems.
Experience powerful sound on the water with the KICKER KXMA900.5 amplifier. This 5-channel marine amplifier delivers robust performance, featuring 4 full-range channels and a dedicated 400W Class D subwoofer channel. Built to the KICKER Real Marine standard, it boasts corrosion-resistant terminals and circuit boards, ensuring durability in harsh marine environments. Fine-tune your audio with a 24dB crossover and KickEQ™ bass boost, all accessible behind a water-resistant panel. Includes a wired controller for convenient subwoofer level adjustments on the fly.
$466.20
Owner Satisfaction
4.7
/ 5
Category Rank
421
/ 1684
#421 in Power Amplifiers
Price vs Category Average
-94%
Below average
Total Peak Power
1300
/ W
Who it's for
- System builders wanting a simple, all-in-one audio solution
- Audiophiles needing high power in a space-saving design
- Boat owners requiring reliable performance in wet, harsh conditions
Who should skip it
- Users planning long sessions in poorly ventilated, hot environments
- Budget-conscious buyers seeking a more affordable audio upgrade
- Powersports enthusiasts with extremely tight mounting locations
Performance breakdown
Marine Durability
Real Marine standards ensure reliable performance in harsh, salt-heavy environments.
Power Output
Robust 900W total RMS output drives complex multi-speaker marine audio setups.
System Tuning
Precise 24dB crossovers and KickEQ provide excellent control over sound profiles.
Installation Versatility
FIT2 technology simplifies integration with both factory and aftermarket head units.
Control Accessibility
Sealed panel design protects sensitive adjustments while maintaining easy user access.
Subwoofer Performance
Dedicated 400W Class D channel delivers deep, punchy bass for open-air listening.
Key Specs
Total Peak Power
1300W
RMS Power (Full Range)
4 x 125W @ 2-Ohm Stereo
Subwoofer Channel Power
400W @ 2-Ohm
Amplifier Topology
Class D
Frequency Response (Full Range)
10-20,000Hz, +0/-1dB
Frequency Response (Sub)
10-160Hz
Input Sensitivity
Low-Level 125mV-5V
Terminals
ABYC/NMMA-Compliant Power Connections
Features
- Built to Real Marine standard for corrosion resistance
- Water-resistant barrier protects key controls
- Wired controller for on-the-fly subwoofer tuning
- Powerful variable 24dB crossover for system tuning
- KickEQ™ provides up to 6dB adjustable bass boost
- FIT2™ (Fail-safe Integration Technology)
- DSP-Controlled Preamp for optimized sound
- Easy adjustment access behind sealed panel
What customers say
Customers overwhelmingly value the KICKER KXMA900.5 for its powerful, clean sound quality across five channels, making it ideal for marine and motorsports audio. A key highlight is its remarkably compact design, allowing easy installation in tight spaces without sacrificing wattage. Users consistently praise the marine-grade construction, noting the sealed connections and coated boards ensure long-term reliability against moisture and vibration. While the initial investment is premium, the combination of robust durability and signature high performance delivers excellent value for serious audio enthusiasts seeking dependable, all-in-one power.
Know before you buy
Yes, the KXMA900.5 is built to KICKER’s Real Marine standard. It features corrosion-resistant terminals and circuit boards, along with a water-resistant panel that protects your control settings from moisture.
The amplifier includes a dedicated wired remote controller. This allows you to make quick, on-the-fly adjustments to your subwoofer levels without needing to access the main unit.
This amplifier delivers 125 watts RMS per channel to your four full-range speakers at 2 ohms, plus a dedicated 400-watt Class D channel specifically for your subwoofer.
No, the KXMA900.5 is not bridgeable. It is designed as a dedicated 5-channel solution to power a complete system with four speakers and one subwoofer simultaneously.
You can fine-tune your audio using the variable 24dB crossover and the built-in KickEQ, which provides up to 6dB of adjustable bass boost. These controls are located behind a sealed, water-resistant panel to keep them protected.
Yes, the amplifier features FIT2 (Fail-safe Integration Technology), which helps it integrate seamlessly with most factory or aftermarket head units using standard RCA inputs.
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