-40%

DC 3V 3.7V 5V class AB mono`3W mini amplifier board audio'amp module one chan Nu

$ 3.69

Availability: 10 in stock
  • Restocking Fee: No
  • Type: as described
  • Item must be returned within: 30 Days
  • Condition: New
  • UPC: Does not apply
  • All returns accepted: Returns Accepted
  • GTIN: Does not apply
  • Brand: Unbranded
  • Compatible Brand: as described
  • Country/Region of Manufacture: China
  • Return shipping will be paid by: Buyer
  • MPN: Does not apply
  • Refund will be given as: Money Back

    Description

    100% Brand New and High Quality
    Power amplifier board with NS8002 (beyond the domestic 8002A, B, C, D) AB class efficient power amplifier chip carefully debug sound quality perfect, strong power, without any interference, it is fine!
    Parameter description:
    PCB size: length 16 × width 10.5 × thickness 2.6mm (with protruding part)
    Installation: SMT patch
    Output power: mono 3W
    Supply voltage: 2V-5V (3.7V lithium battery can be used)
    Output impedance: 4Ω-8Ω
    Frequency response: 150HZ-20KHZ
    Efficiency: 90%
    Mute control: Yes
    Volume adjustment: none
    Wiring instructions:
    This board should be grounded, 3 feet for the power supply negative and ground sharing. 1 foot for the quiet output, and 3 feet to be connected together, when the voltage is 0 when the sound, the voltage is 0.5-5V when the silent, no sound output.
    Package Included:
    1 x Mini Amplifier Board