Compact 22mm Audio Adapter PCB Board 4PCS for RCA and 3.5mm Connection

TPA3110 30W Single Channel Digital Audio Board PCB Module DC 8V to 26V Input

4PCS Compact Audio Adapter Board 22mm x 45mm for RCA and 3.5mm Terminal Use

4PCS Audio I O Adapter Board with For RCA Input Output and 3.5mm Jack Terminals

4PCS For RCA and 3.5mm Audio Interface Adapter Board for Preamp and Audio Setup