Features： 1.Professional Design: TPA3116D2 HIFI chip solution with stereo dual channel output ensures continuous serial high power operation with THD ≤ 0.1%. Wide voltage input DC for 12?24V. 2.Parameters: TDA3116D2 digital amplifier board, Bluetooth module is QCC3003, transmission distance is up to 10 meters (no interference blocking), output power is 120W x 2. 3.Widely Used: High sensitivity input, can be directly connected to computer sound card, decoder, DVD, HD player, can also upgrade most AV amplifiers, can be used with front panel power supply, no noise, easy to use. 4.Multiple Safety Protection: The amplifier board has overheating protection, reverse connection protection, disconnection protection, over?voltage and under?voltage protection. 5.High Performance: Suitable for home audiovisual environment, car speaker modification, high power, superior sound quality, small size, high efficiency, energy saving. specification：Item Type: TDA3116D2 Digital Power Amplifier Board Material: PCB Size: Approx. 116x80x20mm / 4.57x3.15x0.79in Chip Type: TDA3116D2 Bluetooth Module: QCC3003 Transmission Distance: Maximum 10m/32.8ft (No Interference Blocking) Supply Voltage: DC12-24V Supply Current: >3A Output Power: 120W x 2 PackageList：1 x TDA3116D2 Digital Power Amplifier Board Note：Manual measurement please allow some error. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-GONGQ trading 3