XBox 360 Headphone Adapter
When using an XBox 360 with a computer monitor that does not support audio (over either HDMI or using a DVI-to-HDMI cable), there is no easy way to get the audio out of the XBox.
You can use the original 360 Standard A/V cable, but it’s too large to fit on the back of the system when an HDMI cable is also connected. This is easily remedied by removing the plastic casing from the Microsoft-Branded XBox 360 Standard A/V Cable. You can then run the RCA plugs for audio into an adapter to convert them to a 1/8″ (3.5mm) headphone jack like RadioShack item number 274-0269. Then a female-to-female headphone coupler like RadioShack item number 274-1555 will get you the correct gender of connection for connecting your headphones. One issue, there is no volume control this way. Add a headphone volume control like RadioShack item number 42-2559, and you are good to go. This still leaves you with a big bundle of cable behind the system, and a bunch of excess connections (not to mention the exposed wiring from removing the plastic casing from the cable). I have tested this method, and it works perfectly. I actually did this as a proof-of-concept. I knew from prior experimentation that headphone-level signals are usually “close enough” to line-level to be interchangeable and this proved true in this project.
I wanted something slicker that allowed me to connect my headphones (or computer speakers with 1/8″ stereo headphone jack) nearly directly into the XBox 360. For some reason, NOBODY makes anything that can do this. So I decided to build my own.
More details, including full build instructions after the break.
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