Cinch / jack cable for bluetooth adapter / transmitter 1.0 meter, 4,99 €
3.5 Mm Wireless Bluetooth Music Receiver - Bluetooth 5.0 Audio Receiver U Rca - Aliexpress
RCA/phono Y cable, 1 to 2 RCA/phono, stereo coax audio cable - KabelDirekt
Amazon.com: MillSO RCA to 3.5mm Female Adapter 3.5mm Female to 2 RCA Male Stereo Audio Cable TRS 1/8 Aux to Dual RCA Male Cable for Smartphone, Tablet, MP3, Speaker, Home Theater, Receiver,
A 177 | VARIOUS Audio Adapter Jack M Mono Cinch | SOS electronic
6ft 3.5mm Stereo Male to RCA Stereo Male Audio Adapter Cable - PI Manufacturing