ITEM NAME:XH-M139 TPA3116D2 2.1 Channel Digital Subwoofer Power Amplifier Board gh ZBF.Number Of Channels: 3 (Left Channel + Right Channel + Subwoofer). Output Power: 50w 2+100w Subwoofer 1. 1 2.1 Channel Audio Digital Power Amplifier Board. 12V ------- 8 Ohm Speakers / 12W (Left Channel) + 12W (Right Channel) 4 Ohm Speakers / 20 (Left Channel) + 20W (Left Channel).
