LoC-22 Fully Active, Two-Channel Speaker Level to Line Output Converter with Auto Turn-On
Speaker-level inputs or line output converter (LOC)?
Amazon.com: Scosche LOC2SL Line Output Converter Adjustable Amplifier Add On Module for Car Stereo, 2-Channel Signal Sensing Speaker Wire to RCA Adapter with Remote Control Knob, Black : Electronics
Jensen Transformers SC-2NR Stereo Speaker to Line Audio Converter
Amazon.com: NuIth Car Radio Stereo High to Low Converter Wire Adapter 2-Channel Adjustable Amplifier Subwoofer Interface w/Remote Turn On RCA Car Line Output Wire Cable : Electronics
ACI speaker to line level converter for use with Force/Titan subs. These is the internal
What are line output converters?
SCOSCHE LOC90 LOC90 Line Output Converter - Walmart.com
Russound ADP-1.2 Speaker-level to Line-level Adapter : Electronics - Amazon.com
Line level converter - Biltema.dk
Speaker to line-level adapter (ADP-1.2) - Russound - Digital World
How To INSTALL a Line Output Converter w/ Stock Radio & Speakers 4 Aftermarket SUB AMP Installation - YouTube
Scosche Adjustable Speaker Level 2-Channel Line out Converter | Canadian Tire
Tech Talk: Choosing the Right Line Output Converter (LOC) for Your Install - DD Audio