Fosi Audio TB20A TPA3116D2 Stereo Amplifier 2.1 Channel Class D Audio Amp with Subwoofer Volume Control

Come with the 19V power adapter that can be carefully matched with this integrated amp physically as well as electrically. Unlike other amps come with a 12V power supply, The power supply is very important for a digital amp if you need clear sound! With subwoofer volume control, L and R channels Treble&Bass independent control, subwoofer frequency adjustment control. Adopt Texas Instruments TPA3116D2 * 2 chips, small simple compact design but practical and powerful, can drive 2-8ohm, 20-200Watts speakers; Best for bookshelf/ computer/ desktop /TV speakers, can use Phone/ MP3 player/ DC/ TV/ Echo Dot as input. Manufacturer-Direct, free lifetime technical support, and 18-month manufacturer's warranty. Quick tips: 1. Please plug the power cord into the amp THEN the wall, plug the audio cables into amp THEN switch on. Some customers may see some slight sparks flying when they plug the power supply into the amplifier, because they use it in wrong way, you need to connect the amp t