120W Plus 120W Dual Channel Digital Amplifier Audio Board with Acrylic Case Bluetooth 4.0 Amplifier Board for Speaker Modified Amplifier Equipment

Specifications: Chip  TPA3116D2 Bluetooth  btm836 / csr8635 (4.0) Voltage  DC12V~24V Current  >3A Channel  Dual channel Output Power  120Wx2 Efficiency Ratio  > 90% Amplifier Size  98*79*16mm / 3.95*3.11*0.63" Overall Size with Case  108*90*22mm/ 4.25*3.54*0.86" Bluetooth Version  V4.0 Modulation Mode  GFSK/ 4 DQPSK, 8DPSK Voltage  3.3V~4.2V Support Bluetooth Protocol  HFP V1.6, HSP V1.2, A2DP V1.2, AVRCP V1.4, DI V1.3 Operating Current  ?30mA Standby Current  <50uA Temperature  - 40?~ + 80? Max. Distance  10M / 32.8ft Transmission Power  Support CLASS1 / CLASS2 / CLASS3 8dBm Max. Sensitivity  - 80dBm<0.1%BER Frequency Range  2.4GHz~2.480GHz External Interface  PIO, Serial Peripheral Interface, Audio Input/Output, PCM, USB Audio Support  AAC, MPA, SBC, stereo Distortion Factor  ?0.1% Bluetooth Size  21.9*14.1*1.8mm / 0.86*0.55*0.07" Package Includes: 1 x Power Amplifier Board 1 set x Acrylic Case Parts with other accessories