JL Audio® AP Amplifiers, 4 Channel Compact Marine Amplifier
Compact 4-channel marine amplifier with Class D efficiency and IP67 protection, delivering clean, reliable power for speakers in harsh marine environments.
SKU: GAR.010-03429-00 | MPN: AP300/4
SAVE $23.59 (3%)
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Non Returnable/Non Refundable
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 |
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