The is a compact, high-performance powerhouse designed to deliver impressive power for subwoofer applications in both car and boat installations. With an output of 600W x 1 at 2O and 400W x 1 at 4O (14.4V), this amplifier utilizes JL Audioâs high-speed NexD switching technology for remarkable efficiency and minimal size. Despite its compact form, it generates substantial subwoofer power, ensuring powerful bass for your audio setup. Built for durability, the XDM 600/1 features marine-grade materials and a dual-mode input filter for noise-free operation, making it ideal for both automotive and marine environments. It offers easy integration with factory systems through automatic turn-on capabilities, whether via signal sensing or DC-offset sensing. The amplifier is optimized for subwoofers, equipped with a variable low-pass filter with adjustable cutoff frequencies from 50-500 Hz. For added convenience, the XDM 600/1 supports an optional remote level controller (sold separately), allowing you to adjust the amplifierâs output directly from the driver's or captainâs seat. Its sleek black powder-coat finish and gasketed top cover ensure longevity and easy access to controls.• 600W x 1 at 2O / 400W x 1 at 4O: High power output for subwoofers• NexD Switching Design: Efficient, compact, and powerful• Marine-Grade Build: Durable for car and boat installations• Dual-Mode Input Filter: Reduces noise for clear performance• Automatic Turn-On: Easy integration with factory systems• Variable Low-Pass Filter: Adjustable from 50-500 Hz for optimal sound• Optional Remote Level Control: Available with HD-RLC/MHD-RLC• Powder-Coat Finish: Sleek, durable exterior• Gasketed Top Cover: Protects controls and allows easy access NexD⢠switching design provides high efficiency with minimal distortion Low-pass filter (50â500 Hz) for precise subwoofer tuning Compatible with optional remote level controls for easy, on-the-fly adjustments | XDM 600w Monoblock Amplifier in Black