Kicker 51KXMA15001 KXM Series 1500W RMS at 2 Ohm, Class-D Mono Subwoofer Marine Amplifier with Bass Remote Included
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What's Inside?
- • KXM Series Class-D Mono Subwoofer Marine Amplifier
- • KMBLC Remote Level Control
- • 19.5' Remote Cable: Features RJ-11 connectors on both ends
- • (2) 3/8" Screws
- • (4) 2" Screws
- • (4) Washers
- • 3mm Allen Key
- • Power Chart
- • Kicker Power Certification
- • Owner's Manual
Why Choose Kicker 51KXMA15001 Marine Amplifier?
High-Powered Performance for Massive Marine Bass
Experience ultra-efficient, high-powered performance with a Class-D amplifier that delivers a massive 2500 watts of dynamic bass, a mono design for focused audio, and a conformal-coated circuit board that ensures durability in marine environments.
Complete Sound Control with Remote Bass Adjustment and Customizable Tuning
Take full control of your sound with the included KMBLC remote for convenient dash-mounted bass adjustments, a precise 24dB variable crossover for optimal tuning, and KickEQ+™ bass boost offering 0-6dB of customizable low-end power.
Advanced Protection and System Expansion with Marine-Grade Durability
Protect your subwoofer and expand your system effortlessly with an adjustable 10-80Hz subsonic filter, RCA pass-through output, and Real Marine™ ABYC/NMMA-compliant connections—all built with durable 316L stainless-steel hardware to withstand the toughest marine conditions.
Frequently Asked Questions (FAQ)
- • Why won't the amplifier turn on after installation?
A blown fuse, weak battery, poor ground connection, or missing remote turn-on signal is usually the cause. Check the power wiring, fuse, battery voltage, and remote lead before troubleshooting the amplifier.
- • Can I use this with a marine subwoofer?
Yes. It is designed to deliver high power to compatible marine subwoofers when the impedance and RMS ratings match the amplifier's specifications.
- • Why does it keep entering protection mode?
Protection mode is commonly caused by overheating, shorted speaker wiring, or a speaker load below the recommended impedance. Inspect all wiring and allow the amplifier to cool before powering it back on.
- • Is this suitable for saltwater boats?
Yes. Its marine-grade construction helps resist corrosion, moisture, UV exposure, and vibration for reliable operation in harsh marine environments.
- • Why is there power but no bass output?
This is often caused by incorrect crossover settings, loose RCA connections, or improper subwoofer wiring. Verify the low-pass filter settings and confirm the audio source is providing a subwoofer signal.
- • Why does it become hot after extended use?
Some heat is normal when the amplifier is producing high output for long periods. Make sure it has adequate ventilation and is not installed inside a tightly enclosed compartment.
- • Can I wire multiple subwoofers to this amplifier?
Yes, provided the combined impedance stays within the amplifier's supported operating range. Always calculate the final impedance before connecting multiple subwoofers.
- • Why do I hear engine or alternator noise through the audio system?
Electrical interference is typically caused by poor grounding or signal cables routed too close to power wiring. Improving the grounding point and separating signal cables from power wires usually resolves the issue.
- • Should I install marine-grade power and speaker wire?
Yes. Marine-grade wiring offers superior resistance to corrosion, moisture, vibration, and saltwater exposure compared to standard automotive wire.
- • Can I expand my boat's audio system in the future?
Yes. You can add compatible marine speakers, additional amplifiers, or more subwoofers if your boat's electrical system has enough capacity for the upgrades.
- Low Frequency Response : 40-160 Hz
- Number of Channels : 1
- Frequency Response : 10-160 Hz
- Built In Crossovers : Yes
- RMS Power Output : 1x1500 Watts
- Amplifier Class : D
- Fuse Rating : 150 A
Features:
- Extreme Marine Power: The Kicker KXMA1500.1 is a mono marine amplifier delivering up to 1500 watts to a single output, built with marine-grade terminals, stainless-steel screws, conformal-coated circuit boards, and ABYC/NMMA-compliant power and ground connections
- High-Efficiency Class-D Amplification: Advanced Class-D design provides massive power in a compact chassis while minimizing heat and energy loss
- Powerful RMS Output Options: Produces 750W RMS x 1 @ 4Ω, 1500W RMS x 1 @ 2Ω, or 1500W RMS x 1 @ 1Ω at 14.4V with <1% THD+N
- Flexible Input Compatibility: 2-position input switch allows for High (speaker-level) or Low (line-level) input signals for seamless integration with factory or aftermarket systems
- Precision Gain Control: Adjustable from 125mV–5V (Low) or 250mV–40V (High) with a backlit “Optimal Input” LED to prevent clipping
- Customizable Low-Pass Crossover: Variable low-pass filter with 24dB/octave slope and rotary frequency control from 40–160Hz
- KickEQ Bass Boost: Three rotary controls allow adjustment of Frequency (20–80Hz), Bandwidth (Q 1–5), and Boost (1–6dB) for deep, powerful bass
- Multiple Auto Turn-On Options: Turn on via +12V remote, DC offset sensing, or audio signal detection; REM terminal outputs +12V when using DC Offset or Audio modes
- Protection Monitoring (PRT LED): Red LED alerts for low-voltage, thermal shutdown, shorted outputs, or out-of-range voltage
- Heavy-Duty Marine Wiring Terminals: Screw-down terminals accept 1/0 AWG power/ground wiring; ABYC/NMMA compliant for marine installations
- External Fuse Required: No onboard fuse; a 150A external fuse within 18" of the battery is recommended for safe operation
- Signal Pass-Through for Expansion: RCA line outputs allow easy connection to additional amplifiers
- Remote Bass Level Control: Includes KMBLC remote control with 19.5' cable to adjust output level from the front seat
- Compact, High-Power Footprint: Dimensions are 11.19" W x 2.19" H x 8.39" D for versatile marine mounting
- Marine Use Advisory: Designed for marine environments but not waterproof; avoid mounting locations with direct water exposure
Specifications:
- RMS Power Output: 750 watts x 1 channel
- Frequency Response at Rated RMS Power: Not specified
- Total Harmonic Distortion (THD): 1% at rated RMS power
- Signal-to-Noise Ratio: 95 dB
- Input Voltage: 14.4V
- Peak Power Output: Not specified
- Power at 2 Ohms: 1500 watts x 1 channel
- Bridged Power Output: Not applicable
- Minimum Impedance (Bridged): Not applicable
- Minimum Impedance (Unbridged): 1 ohm
- Amplifier Class: Class D
- Low-Pass Crossover Frequency: 40-160 Hz
- Low-Pass Slope: 24 dB/octave
- High-Pass Crossover Frequency: Not applicable
- High-Pass Slope: Not applicable
- Boost Level: 0-6 dB
- Boost Frequency: 20-80 Hz
- Fan Cooled: No
- Fuse Rating: 150 amps
- Speaker-Level Inputs: Yes
- Preamp Outputs: 2
- Height: 2-1/4 inches
- Width: 11-1/4 inches
- Depth: 8-7/16 inches
- UPC: 713034044475
- Weight: 6.5
- Authorized Internet Dealer
Warranty: 2 Year(s) Warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for replacement within 2 Year(s) from the original date of purchase with proper return authorization.
