... Product features advantages:1. The stereo sound quality, super heavy bass, excellentworkmanship.2. Support MP3 format music files.3. Support SD ... W RMS x 2 (THD + N = 10%, f = 1 kHz)Bass channels: 14 W RMS (THD + N = 10%, f = 80 Hz ... headphones plug, USB interface(card reader)Adjust the volume, form: bass volume knob regulationBass unit: 5 inches (131 mm), the outer ...