iFi IE Match+ 3.5mm Headphone AttenuatorThe all new iEMatch+ Give yourself and your music a break. No more noise from background source hiss and no more listening at ridiculously high volume so you get the most out of your music. Use iEMatch+. It works with all 3. 5mm balanced devices. Switch between single ended or balanced operation to suit your needs. It gives you better sound increased dynamic range reduced background hiss clearer vocals The perfect match Just connect between your