Amplifier Board Bluetooth Digital 2-1 Channel Bluetooth USB TF Input 50W50W Stereo 100W Subwoofer Output DC 12V to 26V

Description: 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.Power supply of 24V DC and more than 5A is recommended to avoid intermittent sound, or 24V 3A if speak power is small. 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