JL Audio AP300/4 4 Channel Compact Marine Amplifier - #010-03429-00 (AP3004)

JL Audio AP300/4 4 Channel Compact Marine Amplifier - #010-03429-00 (AP3004)

Looking to crank up your boat’s audio without taking over half your cockpit? The JL Audio AP300/4 is a compact marine amplifier that packs a punch in a tiny frame. Designed for serious marine audio enthusiasts, this 4-channel powerhouse delivers crisp, clear sound while standing up to the harshest conditions on the water.

Powerful 4-Channel Performance

The JL Audio AP300/4 can handle up to four pairs of speakers or two pairs plus a subwoofer with ease. It pumps out 50 watts RMS x 4 at 4 ohms, or 75 watts RMS x 4 at 2 ohms. Bridged mode isn’t left behind either — you get 150 watts RMS x 2 at 4 ohms, giving your system that deep, full-bodied sound you crave. Whether it’s mids, highs, or bass, this amp handles it all with minimal distortion.

Easy Tune Feature for Perfect Audio

Getting the most from your marine audio system is effortless thanks to the Easy Tune feature. Pair your amplifier with a Fusion® stereo that has built-in DSP and use the Fusion Audio smartphone app. You’ll gain access to selectable profiles that streamline setup, optimize sound quality, and protect your system. Think of it like having a personal sound engineer in your pocket.

Efficient Class-D Amplifier Technology

Say goodbye to heavy drains on your marine battery. The JL Audio AP300/4 uses Class-D amplifier design, which delivers more power to your speakers while keeping energy consumption low. The result? Maximum output, minimal fuss, and long-lasting performance that won’t leave you cutting your boating day short.

Rugged, Marine-Ready Build

This isn’t just a pretty amp — it’s tough. The JL Audio AP300/4 features a cast alloy chassis and IP67 dust- and water-resistance rating (excluding cables), built to survive harsh marine environments. From splashes to unexpected storms, this amplifier is ready to handle it all.

Adjustable Filters and EQ for Custom Sound

Tweaking your audio to perfection is simple. This amp includes variable low- and high-pass filters (20–500 Hz, 12 dB/octave) and a bass boost EQ up to +18 dB at 37 Hz. An infrasonic filter and output polarity switch let you fine-tune your system exactly the way you like it.

Compact Yet Capable Design

Don’t let its size fool you — the JL Audio AP300/4 measures just 1.86" H x 10.43" W x 4.90" D. It fits neatly in tight spaces while still delivering full 4-channel performance. Its operating voltage range of 9–16 VDC makes it versatile for most marine setups.

With the JL Audio AP300/4, you get a small amplifier that punches way above its weight, offering high-end marine audio performance in a rugged, easy-to-use package.

FAQs

1. What kind of speakers can I connect to the JL Audio AP300/4? You can power up to four pairs of speakers or two pairs plus a subwoofer.
2. Is the amplifier safe in wet marine environments? It’s IP67-rated (excluding cables) and built with a durable cast alloy chassis.
3. What’s the purpose of the Easy Tune feature? It simplifies setup by using the Fusion Audio app to optimize sound quality and protect your system.
4. How much power does it deliver in bridged mode? It provides 150 watts RMS x 2 at 4 ohms bridged.
5. Can I adjust the bass and filters on this amp? It features variable low- and high-pass filters, bass boost, and an infrasonic filter for custom sound tuning.