Numark USB audio interface (2) sets of stereo RCA inputs - Stereo iO at TigerDirect.com
PAC OS-1 Wiring Interface Connect a new car stereo and retain OnStar® and the Bose® audio system for select GM vehicles at Crutchfield
Radial EXTC-Stereo Guitar Effects Interface and Reamper | zZounds
Sleek Car Stereo Interface Project Files | Design Panoply
PAC Radio Replacement and Steering Wheel Control Interface with OnStar Retention for Select GM Vehicles Blue RP5-GM31 - Best Buy
Amazon.com: Audio Interface True Stereo Sound Card For Recording For PC/Win/Mac USB Audio Interfaces with 24-bit/192 kHz, Red : Musical Instruments
Yamaha MG12XU 12-Channel Compact Stereo Mixer and USB Audio Interface CABLE KIT | KraftMusic.com
Behringer Line2USB Stereo 1/4 inch Line to USB Audio Interface | Sweetwater
CAR STEREO RADIO STEERING WHEEL CONTROL RETENTION INTERFACE ADAPTER UNIVERSAL | eBay
Radial Engineering EXTC-STEREO Stereo Effects Loop Interface | Full Compass Systems
98-2013 HARLEY TOURING RADIO INSTALL ADAPTER WITH THUMB CONTROL INTERFACE STEREO | 702MOTORINGLASVEGAS
Universal Car Radio Stereo Can-Bus Interface Adapter Steering Wheel Co – German Audio Tech
Amazon.com: Audio Interface True Stereo Sound Card For Recording For PC/Win/Mac USB Audio Interfaces with 24-bit/192 kHz, Red : Musical Instruments
GM Factory Stereo Replacement Interface
Metra GMOS-01 Wiring Interface Connect a new car stereo and retain OnStar®, factory door chimes, and audible safety warnings in select GM vehicles at Crutchfield
Amazon.com: Phenyx Pro USB Audio Interface Audio Mixer Bundle, 4-Input, 3-Band EQ, Echo Effects, w/Dynamic Mic + Stereo Headphone + XLR Cable, for Live Streaming, Recording (PTX-10B) : Everything Else
Amazon.com: IK Multimedia iRig Stream stereo audio interface for iPhone, iPad, Mac, iOS and PC with USB-C, Lightning and USB for 24-bit, 48 kHz recording from mixers and studio gear : Musical