Compact Marine Amplification Delivering Powerful, Clean Bass Performance

This compact monoblock marine amplifier is engineered to deliver reliable, high-output power in harsh on-water environments. Designed for space-constrained installations, it provides efficient Class D amplification with exceptional control, making it ideal for driving subwoofers and enhancing low-frequency impact without sacrificing clarity or system stability.

Key Features

  • Monoblock Class D Amplification: Delivers efficient, high-power output with reduced heat generation and lower current draw, making it ideal for marine electrical systems.
  • High Continuous Power Output: Provides strong and consistent RMS power at both 2 Ohm and 4 Ohm loads, ensuring authoritative bass performance across a wide range of subwoofer configurations.
  • IP67 Water and Dust Protection: Fully sealed construction protects against water immersion, salt spray and dust, ensuring dependable operation in demanding marine conditions.
  • Advanced Signal Processing: Integrated low-pass filtering, adjustable crossover frequencies and selectable filter slopes allow precise tuning for optimal subwoofer integration.
  • Infrasonic Filtering: Defeatable infrasonic filter protects subwoofers from damaging ultra-low frequencies while maintaining controlled bass response.
  • Flexible Input Sensitivity: Switchable RCA input ranges accommodate both low- and high-voltage source units for seamless system compatibility.
  • Comprehensive Protection Circuits: Built-in safeguards against over-voltage, under-voltage, overheating and short circuits ensure long-term reliability and system safety.
  • Compact, Installation-Friendly Design: Slim form factor and robust mounting make it easy to install in tight marine spaces without compromising performance.

Built for durability, efficiency and powerful low-frequency output, this amplifier is an excellent choice for marine audio systems requiring reliable bass performance in a compact footprint.

General
Channel Configuration Monoblock
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 200 W × 1
2 Ohm 350 W × 1
Audio Performance
Frequency Response 10 Hz – 500 Hz
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
Low-Pass Filter 20–500 Hz, 12 dB/octave
Bass Boost 0 to +18 dB @ 37 Hz
Infrasonic Filter 20–50 Hz, Defeatable
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.010-03428-00
Model # AP300/1
UPC/EAN 729218924518
Brand JL Audio
Shipping Weight 3.0000kg
Shipping Width 0.047m
Shipping Height 0.150m
Shipping Length 0.300m
Shipping Cubic 0.002115000m3
Unit Of Measure ea

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