OSD SMP500 Mono Class D Subwoofer Amplifier — 800W Peak (400W RMS @4Ω / 250W RMS @8Ω), DSP with App Control, Auto-Sensing, ETL & CE

Overview: The OSD SMP500 is a compact mono Class D amplifier designed specifically for subwoofers, offering robust peak power and DSP-based tonal control with app capability. It supports automatic source switching and multiple power-on modes for flexible integration into home or professional systems. Power & Performance: - Power output: 400W RMS / 800W Peak at 4 ohm; 250W RMS / 500W Peak at 8 ohm - Frequency response: 20Hz – 150Hz ±1dB - Input sensitivity: 190mV - Signal-to-noise ratio: 95dB DSP & Audio Controls: - Built-in digital signal processing (DSP) with app control - Adjustable crossover: 40–160Hz - Phase control: 0–315° - Automatic source sensing and switching Inputs, Outputs & Triggering: - Line input, RCA input, stereo/LFE input - Speaker level in/out and sub out - 12V trigger input and trigger functionality - Turn-on options: Music sensing, Manual On, or 12V trigger Electrical & Mounting: - 110/220V switchable - Rack-mountable design - Remote control included Certifications, Size & Warranty: - ETL and CE certified - Dimensions (W x H x D): 17.13" x 1.75" x 9.45" - Weight: 7.6 lbs - Warranty: 2 years