Kicker 48KMA1502 KMA Series 2-Channel 75W RMS x 2 at 2 Ohms, Class A/B Marine Amplifier
We are a Kicker authorized dealer so you get up-to-date, fully warrantied products. Shipping is free to the lower 48 states on everything you order!
What's Inside?
- • KMA Series Class A/B Marine Amplifier
- • (4) 3/4" screws
- • Power chart
- • Kicker power certification
- • Owner's Manual
Why Choose Kicker 48KMA1502 Marine Amplifier?
Versatile Marine-Class Full-Range Amplifier
This Class A/B amplifier delivers smooth, consistent power ideal for small- to mid-size marine audio systems. It provides 75 watts per channel in stereo mode or can be bridged to deliver 150 watts to a single channel when extra power is needed for a subwoofer. A variable 12dB crossover gives you precise control over high-pass or low-pass configurations, ensuring your speakers or subwoofers are perfectly tuned for clean, balanced performance on the water.
Enhanced Bass Performance & Marine-Ready Durability
Experience deeper, more impactful sound with the adjustable KickEQ™ Bass Boost, offering 0–6 dB enhancement at 40 Hz for powerful low-end performance. Built for the toughest environments, the amplifier features REAL MARINE™ reliability with ABYC/NMMA-compliant power connections and corrosion-resistant 316L stainless-steel hardware for long-lasting durability on the water.
Marine-Optimized Amplifier with Durable Design
Built to last, this amplifier features a conformal-coated circuit board that protects internal components from moisture and corrosion. Its compact footprint allows for easy integration in tight spaces while delivering impressive audio quality, and it’s optimized for marine use to maintain clean, clear sound even in high-noise or high-humidity environments.
Frequently Asked Questions (FAQ)
- • Why won't the amplifier turn on after I installed it?
A blown fuse, loose power wire, poor ground connection, or missing remote turn-on signal is the most common cause. Verify the battery voltage and inspect all wiring before troubleshooting the amplifier itself.
- • Can I use this to power two marine speakers?
Yes. It is designed to power a pair of compatible marine speakers or other supported audio components when wired correctly.
- • Why does the amplifier keep going into protection mode?
Protection mode is usually triggered by overheating, shorted speaker wiring, or an impedance load below the recommended specification. Check the wiring and allow the amplifier to cool before turning it back on.
- • Is this safe to use in saltwater environments?
Yes. Its marine-grade construction is designed to resist moisture, corrosion, UV exposure, and vibration when properly installed.
- • Why is there power but no sound coming from the speakers?
This is often caused by loose RCA cables, disconnected speaker wiring, or incorrect source unit settings. Verify every audio connection before assuming the amplifier is defective.
- • Why does the amplifier become hot during long periods of use?
Some heat is normal when operating at higher output levels. Make sure the amplifier has adequate ventilation and is not installed inside a sealed compartment.
- • Can I bridge the channels to power a marine subwoofer?
Yes, if the amplifier supports bridged operation and the connected subwoofer matches the recommended impedance. Follow the manufacturer's wiring instructions for the correct bridged configuration.
- • Why do I hear alternator or engine noise through my speakers?
Electrical interference is commonly caused by poor grounding or signal cables routed too close to power wires. Improving the grounding point and separating the cable routes usually eliminates the noise.
- • Should I install marine-grade power and speaker wire?
Yes. Marine-grade wiring offers better protection against corrosion, moisture, and saltwater exposure than standard automotive wiring.
- • Can I expand my marine audio system later?
Yes. You can add compatible speakers, subwoofers, or additional amplifiers if your boat's charging system can support the increased electrical demand.
- Maximum Power : 300 Watts
- Number of Channels : 2
- Frequency Response : 10-20000 Hz
- Amplifier Class : D
- Fuse Rating : 40 A
- Promo : Yes
Features:
- Class A/B Amplification: Provides smooth, consistent power for full-range audio performance, perfect for small- to mid-size marine systems.
- Stereo with Bridging Capability: 75 watts per channel in stereo mode or 150 watts bridged to a single channel for more power to a subwoofer.
- Variable 12dB Crossover: Allows precise tuning for high-pass or low-pass applications, helping you get the perfect balance from your speakers.
- KickEQ™ Bass Boost: Adjustable 0–6 dB at 40 Hz adds extra punch to your low-end frequencies for a more dynamic listening experience.
- REAL MARINE™ Reliability: ABYC/NMMA-compliant power connections and corrosion-resistant 316L stainless-steel hardware ensure durability in harsh marine environments.
- Conformal-Coated Circuit Board: Protects internal components against moisture and corrosion for long-lasting performance.
- Easy System Integration: Compact footprint and simple setup make it ideal for tight installations while delivering impressive audio quality.
- Optimized for Marine Use: Maintains clean, clear sound even in high-noise or high-humidity environments.
Specifications:
- Power Output (2Ω Stereo): 75 W x 2
- Power Output (4Ω Stereo): 40 W x 2
- Power Output (4Ω Bridged Mono): 150 W x 1
- Dynamic Power: 190 W
- Frequency Response: 10 Hz – 20 kHz (+0/-1 dB)
- Input Sensitivity: High Level 250 mV–10 V, Low Level 125 mV–5 V
- Signal-to-Noise Ratio: >95 dB, A-weighted
- Active Crossover: 12 dB/octave, variable 50–200 Hz, selectable high-pass, low-pass, or off
- KickEQ™ Bass Boost: 0–6 dB, centered at 40 Hz
- Dimensions: H 2-5/16" / 5.9 cm, W 7-1/8" / 18 cm, L 8-1/16" / 20.4 cm
- UPC: 713034020363
- Weight: 3.3
- 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.
Do you own this product?
Write a review!
-
Got this for my boat and been running it with my sub in a bridged mode w/ 150Watts @4ohms. Fairly good for its sound quality and it seems it won’t have any problems with water splashes. I haven’t used it that much for now, but I am impressed with how it performs right now.
