Stereo High Pass Low Pass Filter with adjustable Characteristics for Recording TM206 h
Amazon.com: VOYZ High Low-Level Impedance Adaptor - Car Audio System RCA Line Output Converter Adapter w/Adjustable Level Control - Works on Vehicle Amplifier, Equalizer, Home Theater Setup (NS-60) : Electronics
Masurari adaptor High-Low - Partea 2 - TUTORIAL - YouTube