WO-918 600W RMS Class-D Sub Woofer Amplifier Module --------------------------------------------------- ROWESTAR WO-918 Class-D Amplifier Output Power: 600W RMS (Program Power) 1000W RMS (Peak Power) Suitable for 4-Ohms/8-Ohms 18inch Double/Single Wooden BaseBin Box Suitable for Sub Woofer / BaseBin Speakers Supports for High Profile 18" Bass Woofer Fully functional DSP Control with LCD Display for Audio Adjustments 2 x XLR / 6.3mm TS Inputs 1 x XLR Output for external amplifier