The Sennheiser XSW IEM SR Wireless In-Ear Transmitter E Band is a static wireless transmitter for wireless in-ear monitoring systems. Perfect for expanding your in-ear monitoring to your whole band this receiver comes with a rackmount kit and its half-rack size allows you to set up two transmitters in a single row of rack space. The XSW IEM SR Transmitter provides gain control as well as mono or stereo listening modes so you can hear yourself the way you need to. The XSW SR also includes a detachable antenna providing improved RF stability while transmitting. Since it offers eight frequency banks with up to 12 simultaneous and precalculated channels each its incredibly easy to find a clear and stable channel. This transmitter also allows you to wirelessly send the same mix to up to 12 bodypack receivers simultaneously so if you need an identical monitoring mix sent to a few members of a band such as backing vocalists or orchestral sections the XSW might just make for the perfect wireless solution. Just need to expand your existing system a little for more flexibility in mixes? Its incredibly easy to do so with just a standalone transmitter! Accessible in-ear monitoring The XSW IEM SR delivers quality sound to any touring musician or live venue. Thanks to its compact and rugged design it can comfortably operate through the roughest tours delivering its reliable RF performance night after night. Letting every performer on-stage hear themselves with clarity and detail so everyone sounds their best. Expandable and reliable With high-stability UHF radio frequency transmission this monitoring system ensures minimal dropouts or interference. eight frequency banks with up to 12 channels of simultaneous transmission its easy to expand with more receivers and earphones. Great for full bands with large memberships or for orchestral performances. Plus thanks to the transmitters compact half-rack size its easy to chain as many systems together as you need. Features Get reliable performance and clear sound from this wireless transmitter for in-ear monitoring Rock-solid UHF stability for reliable sound during any performance Eight frequency banks with 12 channels each for a wide and expandable wireless system Transmitter capable of connecting to up to 12 receivers simultaneously Included rack-mount kit for placing transmitter in your rack EQ and limiter effects for changing tonality of your personal mixes Focus mode helps spotlight instrument of your choice to cut through any performance Specifications Modulation: FM Stereo Frequency Band (max. RF output power): 823.2 – 831.8 MHz (30 mW) Switching Bandwidth: Up to 24 MHz Nominal/Peak Deviation: ±15 kHz/± 24 kHz Antenna Output: BNC socket 50 Ω AF Frequency Response: 45 Hz to 15 kHz AF Input: 2 x XLR-3/1/4″ (6.3 mm) jack combo socket electronically balanced Total Harmonic Distortion (THD): <0.9% Signal-to-Noise Ratio: ≥88 dB Temperature Range: 0°C to + 40°C Input Rating: +12 V DC Current Consumption: Approx. 400mA (depending on volume level) Dimensions: 200 x 128 x 42 mm Weight: Approx. 700 g