The Sennheiser Evolution G4 500 Series is the professional choice in wireless systems and is designed to perform under the demands of world-class stages and situations. The flagship of the Evolution Series - G4 500 Series Wireless The pro‘s choice. Renowned sound engineers rely on EW 500 G4‘s flexibility, especially when handling multi channel settings on the world‘s music stages. Up to 88 MHz bandwidth, up to 32 channels. Ethernet connection for Wireless Systems Manager (WSM) control software included for advanced frequency coordination in multi-channel setups. The pinnacle of the Evolution series, available with Sennheiser’s renowned e 900 capsules - e935, e945, and e965 on a lightweight black aluminum handheld transmitter, ready to take the world’s biggest live stages. Features True diversity half-rack receiver in a full-metal housing with intuitive OLED display for full control Easy and flexible wireless synchronization between transmitter and receiver via infrared Up to 32 compatible channels Up to 88 MHz bandwidth with 3520 selectable frequencies, fully tunable in a stable UHF range Ethernet connection for Wireless Systems Manager (WSM) control software for advanced frequency coordination in multi-channel setups High RF output power (up to 50 mW, adjustable in three steps 10/30/50) depending on country regulations What's in the box? EM 300-500 G4 true diversity receiver SKM 500 G4 handheld transmitter MMD 945-1 microphone head MZQ 1 microphone clamp 2 AA batteries power supply GA 3 rackmount set 2 rod antennas quick guide safety guide manufacturer declaration sheet Specifications Component EM 300-500 G4 Wireless Receiver Frequency range GBw: 606 - 678 MHz) Dimensions Approx. 202 x 212 x 43 mm Compander Sennheiser HDX THD total harmonic distortion = 0.9 % Weight Approx. 980 g Audio output 6.3 mm jack socket (unbalanced): +12 dBu   XLR socket (balanced): +18 dBu Signal-to-noise ratio = 115 dBA Switching bandwidth up to 88 MHz Peak deviation ±48 kHz Nominal deviation ±24 kHz Modulation Wideband FM Power supply 12 V DC Antenna connector 2 BNC sockets Current consumption 350 mA Adjacent channel rejection Typically = 75 dB Intermodulation attenuation Typically = 70 dB Receiving frequency Max. 3520 receiving frequencies   adjustable in 25 kHz steps   20 frequency banks each with up to 32 factory-preset channels   no intermodulation   6 frequency banks with up to 32 programmable channels RF sensitivity < 2.5 µV for 52 dBA eff S/N Squelch 5 to 25 dBµV in steps of 2 dB Equalizer Preset 1: Flat   Preset 2: Low Cut (-3 dB at 180 Hz)   Preset 3: Low Cut/High Boost (-3 dB at 180 Hz +6 dB at 10 kHz)   Preset 4: High Boost (+6 dB at 10 kHz) Temperature Range -10 °C to +55 °C Receiver Principle True diversity Blocking = 75 dB   Component SKM 500 G4 Handheld Wireless Transmitter Dimensionns Approx. Ø 50 x 265 mm Compander Sennheiser HDX THD total harmonic distortion = 0.9 % Weight (incl. batteries) approx. 450 g Signal-to-noise ratio = 115 dBA RF output power (switchable) Low: typ. 10 mW   Standard: typ. 30 mW   High: typ. 50 mW Switching bandwidth up to 88 MHz Peak deviation ±48 kHz Nominal deviation ±24 kHz Operating time Typically 8 h Modulation Wideband FM Power supply 2 AA batteries 1.5 V or BA 2015 accupack Current consumption at nominal voltage: typ. 180 mA Powering 3 V battery / 2.4 V rechargeable battery Transmission frequency Max. 3520 frequencies   adjustable in 25 kHz steps   20 frequency banks each with up to 32 factory-preset channels   no intermodulation   6 frequency banks with up to 32 programmable channels AF frequency response 80 – 18000 Hz Temperature Range -10 °C to +55 °C Frequency stability = ±15 ppm   Component MMD 945-1 Microphone Head Frequency response 40 - 18000 Hz Transducer principle dynamic  Pick-up pattern supercardioid Sensitivity 2.0 mV/Pa Watch: Watch - Overview of the Sennheiser Evolution G4 Wireless Systems