• Sing original TPA3116 and CSR4.0 Bluetooth module
• Power supply filter capacitor using and electrolytic capacitors
• main filter capacitor electrolytic capacitors used in Japan
• Resistance selection Rings metal resistance, the main circuit employs a precision of ± 1% metal film resistors rings, ensure the machine a good signal to noise ratio
• 1.6mm thick sheet using double-sided PCB, 2.0 oz copper thickness, HASL whole process to ensure that the size of the current through the good performance. PCB-class quality
• Using the latest Bluetooth version 4.0

        The basic performance parameters:

• Work modle: class D
• Quiescent current: 50mA
• Work efficiency: 90%
• Rated output power: 2*50W
• Frequency response: 20Hz to 20KHz
• Working voltage: DC18V to DC24V
• Maximum output current: 3A
• Reception range:10 meters
• bulit in Antenna ,AUX in
  
  bluetooth featurers:
  
  The higher the Bluetooth version: Bluetooth V4.0, software compatibility  
  Low power consumption: 100 ma lithium battery can talk more than 10 hours  
  Working current:12ma,calling current:13-15ma,stand by current:1ma
  Rf Class2. Very far transmission distance, power level, can reach more than 20 meters  
  Have strong echo elimination function  
  With high quality audio transmission protocol: A2DP V1.2, AVRCP remote control protocol  
  more audio decoding function:  SBC, MP3, AAC  
  HFP V1.6 / HSP V1.2, support connect two phones at the same time