Digital 2.1 Channel Amplifier Board Bluetooth USB TF Input 50w x2 Subwoofer BTL 100w Home Stereo Amplifiers for Speakers DC 12V-26V

This is an audio power amplifier board that strengthens low-power, inaudible electronic audio signals such as the signal from radio receiver or electric guitar pickup to a level that is strong enough for driving loudspeakers or headphones. Power amplifiers make the signal audible to listeners. It is the final electronic stage in a typical audio playback chain before the signal is sent to the loudspeakers and speaker enclosures. Specifications: Chip: TPA3116 Audio Input: Bluetooth, USB, TF, audio input jack Audio Format: MP3, WMA, WAV, FLAC Output Power: 50W+50W(stereo)+100W(subwoofer) Suitable Impedance: 4, 6, 8ohm speaker Input Voltage: 12~26V DC Size: 124 x 80mm / 4.88 x 3.15" Package Includes: 1 x Amplifier Board