WATERPROOF AMP - DS18 designed the NXL-X900.6D for customers looking for a compact and waterproof amplifier with exceptional power output and prioritizes boosting sound SMALL AND POWERFUL - The NXL-X900.6D comes in a 6-channel configuration making it great for powering more complicated active setups. Maximum output of 500W x 3CH at 1-Ohms, 150W x 6CH at 4-Ohms, and 250W x 6CH at 2-Ohms ULTIMATE PROTECTION - All NXL units have stable and reliable 4-layer PCB layouts, IP67waterproof rating for power sports, has an ultra-compact size for easy installation, and has audio precision quality control verification. UV, Salt and Fog Protection PERFECT MATCH - The NXL Marine Amplifier series is perfect for outdoor enthusiasts looking for a durable, waterproof amplifier with intense power for their