This 3.5mm to 1/4 Inch Jack Expander enables you to connect devices with a 3.5 mm stereo mini plug (TRS) into equipment requiring a ¼″ stereo jack. It preserves left, right, and ground channels for flawless stereo sound transmission.
Features & Benefits:
TRS (Tip-Ring-Sleeve) wiring maintains both stereo channels
Nickel or gold-plated connectors for durability and good conductivity
Compact, durable housing (metal or high quality plastic)
Minimal signal loss — ideal for headphones, portable audio gear, mixers, amplifiers
Plug-and-play — no wiring needed in the field
Use Cases:
Plug your headphones (3.5 mm) into an amplifier or mixer with a ¼″ input
Connect smartphone, laptop or portable audio output to studio gear
Useful in studios, live sound, rehearsal spaces, home audio setups
What to Check:
Ensure both ends are stereo (TRS), not TS (mono) or TRRS (with mic)
Check connector quality (plating, solid contacts, snug fit)
Check tolerance so the 3.5 mm plug fits fully (some adapters are too shallow)
With this adapter, you’ll never need to change cables — just plug your 3.5 mm end into the adapter and then into your pro audio gear.
