Dont be held back. Good monitoring is important. And thats why the Sennheiser EW IEM G4 Wireless Twin In-Ear Monitor System has been engineered to give you exactly that. Consisting of a two bodypack receivers two pairs of Sennheisers IE 4 in-ear headphones and a half-rack stereo transmitter you can take advantage of crystal-clear monitoring with exceptional durability. An easy-to-read OLED display lets you configure your system in seconds whilst also allowing you to view important information at a glance. The EW IEM Twin system ensures that you get the results youre looking for every single time. Take advantage of reliable transmission with an operating range of up to 100-metres whilst quick and intuitive infrared synchronisation helps you get up and running in seconds. And with 16 channels available for simultaneous use in the same space you can build a powerful system to fit any situation big or small. Take control Monitoring can make or break a performance. If its not right everything can fall apart. With Sennheisers EW IEM G4 systems you dont have to worry about that. You can hear everything that you need to with phenomenal clarity letting you focus on what matters. Designed and engineered for professional live sound EW IEM G4 systems give you the freedom to perform the way you want to. Theres no intimidating interfaces no complicated setup procedures and best of all no long cable runs. Just simple operation with outstanding flexibility. The systems half-rack stereo transmitter is equipped with an easy-to-read OLED display. Combined with its intuitive controls making parameter adjustments is quick and easy. Plus you can view all of your important information at a glance. Syncing your receivers to the transmitter is simple too thanks to convenient infrared technology. And if you want to connect more receivers? You can. The receiver offers up to 16 compatible channels for simultaneous use. So you can adapt your system to suit your needs no matter how big your performance gets. Intelligent system management with WSM Professional powerful and convenient. Ideal for stage shows and mobile setups. With Sennheisers optional Wireless Systems Manager software handling your system has never been easier. Loaded with intelligent features WSM lets you monitor and control your setup remotely from a Mac or Windows PC. It is ideal for configuring larger wireless systems that utilise a wide variety of components. An intuitive graphical user interface lets you view and edit parameters with ease all from a single screen. Managing your system through WSM gives you unparalleled control and clarity. For more information and to download the Wireless Systems Manager software please click here. In the box SR IEM G4 Stereo Transmitter 2 x EK IEM G4 Stereo Receivers 2 x IE 4 Earphones 4 x AA Batteries Rod Antenna GA 3 Rackmount Set Power Supply Features Engineered for professional live sound applications Rugged all-in-one wireless in-ear monitoring system Robust bodypack receivers and reliable in-ear monitoring IE 4 earphones deliver exceptional clarity along the entire frequency spectrum Half-rack stereo transmitter in a full-metal enclosure with a vibrant OLED display for full control Easy and flexible wireless synchronisation between the transmitter and receiver via infrared Compatible with Sennheiser WSM control software for flexible frequency allocation Up to 16 compatible channels Up to 42MHz bandwidth with 1680 selectable frequencies fully tunable in a stable UHF range High RF output power (up to 30mW) depending on country regulations Specifications SR IEM G4 Stereo Transmitter Modulation: Wideband FM stereo (MPX pilot tone) Frequency Range: 863MHz – 865MHz Receiving Frequencies: Max. 1680 frequencies adjustable in 25kHz steps 20 frequency banks each with up to 16 factory-preset channels no intermodulation 6 frequency banks with up to 16 programmable channels Switching Bandwidth: Up to 42MHz Nominal Deviation: +/-24kHz Peak Deviation: +/-48kHz MPX Pilot Tone: Frequency: 19kHz Deviation: +/-5kHz Frequency Stability: +/-10 ppm Antenna Output: BNC Socket 50 ? RF Output Power At 50 ?: Switchable Low: Typ. 10mW Standard: Typ. 30mW High: Typ. 50mW Compander System: Sennheiser HDX AF Frequency Response: 25Hz to 15kHz AF Input: 2 x XLR-3 / 6.35mm (1/4) Jack Combo sockets electronically balanced Max. Input Level: +22dBu Total Harmonic Distortion: Signal-To-Noise Ratio: > 90dB AF Output: 6.35mm (1/4) Stereo Jack socket balanced Temperature Range: -10°C to +55°C Power Supply: 12 V DC Current Consumption: Max. 350mA Dimensions: Approx. 202mm x 212mm x 43mm Weight: Approx. 980g EK IEM G4 Stereo Receiver Modulation: Wideband FM Frequency Range: 863MHz – 865MHz Transmission Receiving Frequencies: Max. 1680 frequencies adjustable in 25kHz steps 20 frequency banks each with up to 16 factory-preset channels no intermodulation 6 frequency banks with up to 16 programmable channels Switching Bandwidth: Up to 42MHz Nominal Deviation: +/-24kHz Peak Deviation: +/-48kHz Sensitivity (With HDX Peak Deviation): Less than 4 µV typ. 1.6 µV for 52dBA Adjacent Channel Selection: Typically ≥ 65dB Intermodulation Attenuation: Typically ≥ 70dB Blocking: ≥ 80dB Squelch: 5 to 25dBµV adjustable in steps of 2dB Pilot Tone Squelch: Can be switched off Compander System: Sennheiser HDX Signal-To-Noise Ratio (1mV Peak Deviation): Approx. 90dBA Total Harmonic Distortion: ≤ 0.9 Output Power At 2.4V 5 THD Nominal Deviation: 2 x 100mW at 32? High Boost: +8dB at 80kHz Limiter: -18dB to -6dB adjustable in steps of 6dB can be switched off Temperature Range: -10°C to +55°C Power Supply: 2 x AA Batteries 1.5V BA 2015 Accupack Nominal Voltage: 3V battery / 2.4V rechargeable battery Current Consumption: At Nominal Voltage: Approx. 140mA With Transmitter Switched Off: ≤ 25 µA Operating Time: Approx. 4 to 6 hours (depending on volume level) Dimensions: Approx. 82mm x 64mm x 24mm Weight (Incl. Batteries): Approx. 125g