Compact Marine Amplification Delivering Clean, Reliable Multi-Channel Audio Performance

This compact 4-channel marine amplifier is designed to deliver efficient, high-quality power for full-range speakers in demanding marine environments. Built with Class D efficiency and sealed to withstand water and dust exposure, it provides consistent performance for boats and marine vehicles where space, reliability and sound clarity are critical.

Key Features

  • 4-Channel Class D Amplification: Efficient multi-channel power delivery ensures clean, dynamic audio with reduced heat and current draw, ideal for marine electrical systems.
  • Flexible Power Configuration: Supports both standard 4-channel operation and bridged mode, allowing it to drive speakers or higher-power loads with ease.
  • IP67 Water and Dust Protection: Fully sealed housing protects against moisture, salt spray and debris, ensuring dependable operation in harsh marine conditions.
  • Advanced Crossover Control: User-selectable high-pass and low-pass filters with adjustable frequency ranges allow precise tuning for speakers and system balance.
  • Wide Input Compatibility: Switchable RCA input sensitivity supports both low- and high-voltage source units for seamless integration with a wide range of head units.
  • Comprehensive Protection Systems: Built-in safeguards protect against over-voltage, under-voltage, overheating and output short circuits for long-term reliability.
  • Compact, Installation-Friendly Design: Slim dimensions make installation easy in tight marine spaces without compromising output or durability.

Engineered for versatility and durability, this amplifier is an excellent choice for powering marine speaker systems with clarity, efficiency and confidence.

General
Channel Configuration 4 Channel
Amplifier Class Class D
Operating Voltage 9–16 VDC
Ingress Protection IP67
Operating Temperature -20 °C to 65 °C
Warranty 3 Years
Power Output (RMS, 14.4 V Input)
4 Ohm 50 W × 4 or 150 W × 2 (Bridged)
2 Ohm 75 W × 4
Audio Performance
Frequency Response 20 Hz – 20 kHz
Signal-to-Noise Ratio >70 dB (A-weighted)
Input Sensitivity 200 mV–2 V RMS (Low), 800 mV–8 V RMS (High)
Input Impedance 20 kΩ (Low), 11 kΩ (High)
Signal Processing & Protection
High-Pass / Low-Pass Filters User Selectable
Filter Frequency Range 20 – 500 Hz
Filter Slope 12 dB / Octave
Protection Circuits Over/Under Voltage, Over Temperature, Output Short Circuit
Electrical & Installation
Fuse Rating 35 A
Recommended Fuse Type AFS, AGU or MaxiFuse™
Power / Ground Wire 4 AWG
SKU GAR.010-03429-00
Model # AP300/4
UPC/EAN 729218924525
Brand JL Audio
Shipping Weight 3.0000kg
Shipping Width 0.047m
Shipping Height 0.300m
Shipping Length 0.150m
Shipping Cubic 0.002115000m3
Unit Of Measure ea

Be The First To Review This Product!

Help other Outback Marine Australia Pty Ltd users shop smarter by writing reviews for products you have purchased.

Write a product review