By making it appear that a CD changer is connected to the Unilink input, the audio from an auxiliary source, such as a portable MP3 player, can be fed into the BUS AUDIO RCA inputs of the head unit. If your Sony head unit has the Aux Lite feature, this adapter isn't needed to input audio from an auxiliary audio source.
Car Bluetooth Module Aux Cable Adapter For Jvc Alpine Kca-121b Ai-net Unilink Interface Radio Cd Stereo Wireless Audio Input - Cables, Adapters & Sockets - AliExpress
Aux to Bluetooth Adapter for Car, CLAVOOP 5.1 Bluetooth Receiver 3.5mm Auxiliary Input USB to Aux Jack kit Audio Cord for Car Stereo Home Speakers Headphone Hands-Free Call Voice Navigation Music
AUX Cable for JVC Headunit Jlink to 2 RCA Input Adapter KS-U57 KS-U58 : Electronics
NEW SONY UNILINK CAR STEREO AUX INPUT ADAPTER + BLUETOOTH 5.0 ADAPTER RCA AUDIO
By making it appear that a CD changer is connected to the Unilink input, the audio from an auxiliary source, such as a portable MP3 player, can be fed
NEW SONY UNILINK CAR STEREO AUX INPUT ADAPTER CDX-CA600X CA700 CA700X CA705M
Plug in this UNILINK to the CD changer port on SONY and RCA cable of your iPod, MP3 player etc.
Audio Cable For Sony Unilink Cable Adapter AUX Input Auxliary
NEW SONY UNILINK CAR STEREO AUX INPUT ADAPTER + RCA AUDIO IN TO 3.5mm AUX CABLE
NEW SONY UNILINK CAR STEREO AUX INPUT ADAPTER + RCA AUDIO IN TO 3.5mm AUX CABLE
Aux to Bluetooth Adapter for Car, CLAVOOP 5.1 Bluetooth Receiver 3.5mm Auxiliary Input USB to Aux Jack kit Audio Cord for Car Stereo Home Speakers Headphone Hands-Free Call Voice Navigation Music