Audio Adapter 1/8" Female to 1/4" Male Stereo-Mono

Audio Adapter - 1/8" female to 1/4" male - Stereo to Mono

  In Stock
or interest free for up to 6 months with
Buy In Bulk & Save!
Buy 2 to 5: Pay $3.38
Buy 6 to 9: Pay $2.55
Buy 10 or more: Pay $2.05

The SWAMP 1/8"(f) TRS - 1/4"(m) TS, is a "Stereo to Mono" audio adapter signal converter, used to connect stereo cables with 1/8" Jack connectors (guitar leads) to devices with mono 1/4" Jack inputs.


1/8" FEMALE TRS - 1/4" MALE TS Mono
This handy little adapter enables the user to plug a 1/8" (3.5mm) stereo TRS cable, into a 1/4" (6.35mm) input.

True Stereo Signal Combination into Mono
This adapter will combine both the left and right channels of audio from a headphone mini jack into a single mono signal containing equal parts of both the left and right channels. Great for plugging an ipod or laptop into a mono input on a mixer or guitar amp.

Split a Mono Signal into a 'Stereo' Signal
Can also be used in the opposite fashion, to split a mono signal from a 1/4" jack connector, into 2 identical signals that will pass through the Tip and Ring of the 3.5mm mini jack connector. Ideal for recording a mono signal into stereo line level jacks on PC sound cards.

NOTE: This adapter is not suitable for use as a headphone adapter. If using with a stereo device (Ipod, MP3, Laptop), only one channel of the music will be heard. To hear both channels, use a Stereo TRS adapter.


  • Connectors: 1/8" or 3.5mm (f) TRS / 1/4" or 6.35mm (m) TS
  • Wiring: 
    3.5mm Tip = 6.35mm Tip
    3.5mm Ring = 6.35mm Tip
    3.5mm Sleeve = 6.35mm Sleeve
View PDF brochure for Audio Adapter - 1/8" female to 1/4" male - Stereo to Mono
By: Mikhail Lacsina on 4 October 2013
Works exactly as I expected, and really handy for a bunch of things too, like turning a 3.5mm aux cable into a guitar lead straight into my computer.

Write a product review

MPN: A 1-8(f) 1-4(m)

SKU: RH-A-1-8f-1-4m

ID: 31483