This excellent monitor adapter lets you turn your custom ER earplugs into custom earphones that provide excellent sound quality whilst also offering protection from outside noise. This allows you to listen to music clearly at lower levels, thus protecting your hearing. Used during live performances by Dj’s and bands, they are also highly effective when used for personal audio devices. T15 in ear monitor Introducing the brand New T15 in-ear-monitor (only for use with ER9/15/25's) This modular, cost effective in-ear-monitor system has been developed to be used in conjunction with our ER moulds. Simply remove the existing ER filters and fit directly into the moulds! Our personal In-Ear-Monitors are custom moulded earphones utilising miniature balanced armature transducer technology to deliver the ultimate in sound quality. The tiny magnetic receivers offer high resistance to mechanical shock and deliver smooth responses with very low distortion levels. For connection to In-Ear-Monitor equipment, MP3, HiFi and most communication systems, the T15 monitors reduce the ambient sound environment by approximately 26 dB. This reduction in the outside noise allows for a safer, lower listening volume from the source whilst at the same time delivering a superbly detailed sound reproduction. Supplied with carry case.