Headphones to Line In
Amazon.com: Zoom UAC-2 USB 3.0 Audio Interface, 2 In/2 Out Audio Interface, 2 Mic/Line/Hi-Z Inputs, MIDI I/O, Headphone Output, 2 Line Outputs, Bus Powered : Musical Instruments
Power amp adapter | DIY-Audio-Heaven
Kicker 46KISLOC2 2-Channel Line Output Converter with Remote Turn-On Wire | World Wide Stereo
Amazon.com: PYLE-PRO 4-Channel Portable Stereo Headphone Amplifier-Professional Multi-Channel Mini Earphone Splitter Amp w/4 ¼” Balanced TRS Headphones Output Jack and 1/4' TRS Audio Input For Sound Mixer-PHA40. : Electronics
AudioControl LC1i Active Line Output Converter / Line Driver + Bluetooth Speaker - Rockville Audio
Headphone OUT to microphone IN for mobile phones - Electrical Engineering Stack Exchange
Headphones to Line In
Phone 3.5mm output to mic input converter - Hardware - Level1Techs Forums
CRUX CS-LOC1 Line Output Converter Convert speaker-level outputs to line-level signals at Crutchfield
Amazon.com: UGREEN Headphone Splitter 3.5mm 2 Female to 1 Male Mic and Audio Y Splitter TRRS Headset Adapter Cable Stereo Compatible with Laptop PS4 Xbox PC Phone Tablet Gaming : Electronics
Headphones to Line In
What are line output converters?
Headphone attenuation adapter | DIY-Audio-Heaven
operational amplifier - Line level audio output from headphones level output - Electrical Engineering Stack Exchange
capacitor - Stereo line-level converter: Odd grounding? - Electrical Engineering Stack Exchange
Resistor ratings for line level converter | diyAudio
Line level - Wikipedia
Speaker-level inputs or line output converter (LOC)?
What is a Line Output Converter? What are They Used for and Why Should YOU Buy One? - YouTube
The 3 Best Portable Headphone Amps With Built-In DAC of 2023 | Reviews by Wirecutter
What are line output converters?
Amazon.com: RECOIL ALOC2 2-Channel Speaker Cable to RCA Adjustable Line Output Converter with Remote Turn On : Electronics
Headphone jack out as a line out | Forum for Electronics
Audio converter box for headphone-level to line-level :: mcld.co.uk blog
