Sennheiser IE 4 In-ear Stereo Headphones, 1.4m, 3.5mm Jack Plug Conference Microphones & Audio It features a window for

It features a window for viewing and operating the device without removal

Wide Frequency Range: Operates between 630-718MHz

The Sennheiser MEB 102 B is a professional - grade

Balanced Armature Drivers: Delivers an accurate and full-range audio response

The BP892x features a subminiature omnidirectional condenser capsule that delivers clear

Sennheiser IE 4 In-ear Stereo Headphones, 1.4m, 3.5mm Jack Plug Conference Microphones & Audio It features a window forThe Sennheiser IE 4 In ear Stereo Headphones are designed for wireless monitor applications, offering outstanding sound quality and dynamic performance. These earbuds feature exchangeable ear sleeves for a perfect, customized fit, providing high isolation against environmental noise and exceptional bass response. The IE 4 is built to be extremely robust, even at high sound pressure levels, making it reliable for stage use. Features Outstanding Sound