Sennheiser EK IEM G4-A Digital Wireless Microphone Bodypack Receiver Transmitter Robust bodypack receiver delivering clarity along the whole frequency spectrum for daily use on stage with evolution wireless G4 In Ear Monitoring systems. Features: Robust bodypack receiver delivering clarity along the whole frequency spectrum for daily use on stage Easy and flexible wireless synchronization between transmitter and receiver via infrared Compatible with Sennheiser WSM control software for flexible frequency allocation Up to 16 compatible channels Up to 42 MHz bandwidth with 1680 selectable frequencies, fully tunable in a stable UHF range Transmission Range: up to 100 meters / 300 feet High RF output power (up to 50 mW) depending on country regulations Specifications: Frequency range A: 516 - 558 MHz Dimensions Approx. 82 x 64 x 24 mm Compander Sennheiser HDX THD, total harmonic distortion ? 0.9 % Weight (incl. batteries) approx. 125 g Signal-to-noise ratio approx. 90 dBA Switching bandwidth up to 42 MHz Peak deviation 48 kHz Nominal deviation 24 kHz Operating time approx. 4 to 6 hours (depending on volume level) Modulation Wideband FM Power supply 2 AA batteries, 1.5 V or BA 2015 accupack Current consumption at nominal voltage: approx. 140 mA with transmitter switched off: ? 25 µA Adjacent channel rejection Typically ? 65 dB Audio-Output-Power 2 x 100 mW at 32 ? Intermodulation attenuation Typically ? 70 dB Limiter ?18 dB to ?6 dB, adjustable in steps of 6 dB, can be switched off Powering 3 V battery / 2.4 V rechargeable battery Receiving frequency Max. 1680 frequencies, adjustable in 25 kHz steps, 20 frequency banks, each with up to 16 factory-preset channels, no intermodulation, 6 frequency banks with up to 16 programmable channels RF sensitivity 4 ?V, typ. 1.6 ?V for 52 dBA rms S/N Squelch 5 to 25 dBµV, adjustable in steps of 2 dB Bass Boost +8 dB at 8 kHz Temperature Range -10 C to +55 C Receiver Principle Adaptive diversity Blocking ? 80 dB What's in the Box: EK IEM G4 stereo receiver 2 AA batteries IE 4 earphones quick guide safety guide manufacturer declaration sheet Echotone Music LLC is an experienced E-commerce Audio Visual Equipment dealer since 1998. We take pride in selling Pro Audio gear for musicians, sound engineers, production companies and broadcast applications. Shipping --Pro packed shipped USPS, UPS or Freight Service. Contact us pay for 2 day air upgrade on any unit. We are working hard to get your product ( built if needed), processed shipped. Processing times vary, 2-30 days Returns/Refunds- If there is truly a manufacturing defect a return tag will be provided. Otherwise customer pays for return shipping. Returned items must be sealed/unopened to qualify for a full refund. Refunds are for the Item cost only. Gear returned with out all its original packaging, accessories or shows signs of wear, is subject to an additional service fee. This item is now used and it would be unfair to resell to another customer as new. What products can not be returned? - Clearance items, Custom Builds, items identified as non-returnable, discontinued items, used or NOS items, electronic software downloads, demo gear, computers, vacuum tubes, earbuds, harmonicas raw-frame speakers, drumheads, drumsticks, turntable cartridges, fog fluids