Metra Electronics 2 Channel Line Output Converter, 1 each, sold by each - Walmart.com
Rybozen Cassette Player, Portable Cassette Converter Recorder Convert Tapes to Digital MP3 Save into USB Flash Drive/ No PC Required Black - Newegg.com
Metra WM-LOCKN Universal Line Output Converter for adding aftermarket amplifer to OEM radio -black - Walmart.com
MP3 Converter Pro - Free download and software reviews - CNET Download
MP3 Video Converter Pro - Official app in the Microsoft Store
Download Free MP4 MP3 Converter 4.0.1 for Windows - Filehippo.com
Rybozen Cassette Player, Portable Cassette Converter Recorder Convert Tapes to Digital MP3 Save into USB Flash Drive/ No PC Required Black - Newegg.com