? High-power line-out converter conservatively rated at 55W per channel;? Optimizes audio levels to achieve best audio performance & reduce noise;? Perfect for use when adding an amp to an OEM system;? Single stereo gain controls;? Single harness design;? 20Hz-20kHz +/-1.5dB;? Ultra-compact size for greater installation flexibility;? Wire tie or screw mounting options;? 4 channels;