Stetsom HL400.4 HL 400.4 Class D Full Range Amplifier 4 Channel 400 Watts

The Stetsom HL 400.4 is a compact 4-channel Class D full-range car amplifier, meticulously developed for car audio enthusiasts seeking high performance and sound fidelity. Delivering a robust 400 Watts RMS, this amplifier offers exceptional audio quality despite its compact size, making it ideal for installations where space is limited, such as daily-driver speaker upgrades, hidden installs, motorcycles, or smaller trunks.

Designed for versatility, the HL 400.4 features 4 independent channels with a frequency response from 5Hz to 24KHz, allowing for flexible use in both STEREO and BRIDGE modes. It includes independent front and rear channel level controls and built-in selectable crossover filters (LOW-PASS, HIGH-PASS, or FLAT full-range operation) to precisely tailor the sound to your system's needs. Channels 3 and 4 further enhance flexibility with a variable low-pass crossover (30Hz to 75Hz) and a +14dB Bass Boost, making it particularly suitable for powering subwoofers. The amplifier also boasts HD Audio Processing for precise, high-fidelity audio reproduction with well-defined mids and clear highs, and robust, insulated connectors with an ABS finish ensure a safe and reliable installation.