1/4-inch stereo phone plug adapter. Suitable for converting 1/8-inch stereo jacks such as those on Sensaphonics 2X-S, 2MAX, 3MAX, and D2, to work with 1/4-inch stereo phone plugs.
Tells you how loud you're listening, even with both IEMs inserted! Works with 12 brands of IEMs and headphones.