Skip to product information
1 of 4


TSA1020 Digital Audio Volume Controller - RCA

TSA1020 Digital Audio Volume Controller - RCA

Regular price $12.95 USD
Regular price Sale price $12.95 USD
Sale Sold out
Shipping calculated at checkout.

TSA1020 is a digital stereo Bluetooth/Single-ended audio volume controller board. It has RCA audio input/output ports and a BVC port(Only for some Tinysine Bluetooth amplifier board). You can use it to control any normal amplifier board audio volume. The audio out signal will increase/decrease when user rotating the knob, Bluetooth audio volume control port will also output an increase/decrease control signal.



TSA1020 external volume control board

Pins define:

Port name Pin name Direction Description


Bluetooth volume control


5V -  
GND -  
INC Digital Out Bluetooth audio volume +
DEC Digital Out Bluetooth audio volume -
SEL Digital In

Bluetooth/Single-ended select


0-Single-ended select




  • Size: 8.1cm x 3.8cm
  • Bluetooth audio volume control
  • Singal-ended audio volume control
  • External audio volume knob
  • Working voltage: DC8V-39V
View full details