Sennheiser EK 2000-IEM Stereo Wireless Bodypack Receiver for In-Ear Monitoring (AW+: 470 to 558 MHz) Bodypack receiver, HDX, adaptive diversity, stereo, charging contacts, 2x Mignon, includes earpiece IE 4, frequency range: AW+ (470-558 MHz) Sennheiser EK 2000-IEM Overview The Sennheiser EK 2000-IEM is a wireless bodypack receiver for in-ear monitoring compatible with 2000 Series wireless transmitters. Combined with the included IE 4 earphones, it delivers reliable, professional-quality stereo audio for the rough-and-tumble world of everyday stage life. The EK 2000-IEM utilizes adaptive-diversity technology, along with the earphone cable as a second antenna to greatly reduce and eliminate drop-outs. The receiver also features proprietary HDX compander technology, which provides crystal-clear monitoring your live performance. Setup is a cinch with the frequency-scan function that automatically finds clean frequencies at your location and wireless synchronization of receiver parameters from the transmitter. You also get a Hi Boost function, an adjustable limiter, stereo/focus mode, and selectable balance. The user-friendly menu interface with a backlit graphic display, which includes a 4-stage battery status indicator. An auto-lock feature prevents unwanted tampering of your settings. The compact and rugged EK 2000-IEM features an all-metal design that's comfortable for performers and presenters to wear over extended periods. It operates up to 6 hours on two AA batteries. Key Features Sturdy, all-metal housing 88 MHz bandwidth with 3520 frequencies 20 fixed frequency banks with up to 32 compatible presets 6 banks with up to 32 tunable channels Adaptive-diversity technology for high reliability Pilot tone squelch can be set in 2 dB steps for interference-free reception Frequency scan feature searches for available frequencies Wireless synchronization of receiver parameters from transmitter User-friendly menu interface with a backlit graphic display HDX compander for crystal-clear sound Enhanced AF frequency response 4-stage battery status display Powered via two AA batteries (available separately)—up to 6 hours of operation Can be powered by a single, rechargeable BA 2015 Accupack battery (available separately) Charging contacts for recharging BA 2015 Auto-lock feature prevents settings from being changed accidentally Hi Boost, adjustable limiter, stereo/focus mode, selectable balance