| { "SR IEM G4": { "Frequency range": { "A1": " 470 - 516 MHz", "A": " 516 - 558 MHz", "AS": " 520 - 558 MHz ", "GB": " 606 - 648 MHz", "G": " 566 - 608 MHz", "B": " 626 - 668 MHz", "C": " 734 - 776 MHz", "D": " 780 - 822 MHz ", "E": " 823 - 865 MHz" }, "Dimensions": "Approx. 202 x 212 x 43 mm", "Compander": "Sennheiser HDX", "THD, total harmonic distortion": "<0.9 %", "Weight": "Approx. 980 g", "Audio input": "2x XLR-3/¼\" (6.3 mm) jack combo socket, electronically balanced", "Audio output": "¼\" (6.3 mm) stereo jack socket, balanced", "Signal-to-noise ratio": ">90 dB", "RF output power": "switchable: Low: typ. 10 mW, Standard: typ. 30 mW, High: typ. 50 mW", "Switching bandwidth": "up to 42 MHz", "Peak deviation": "±48 kHz", "Nominal deviation": "±24 kHz", "Modulation": "Wideband FM stereo (MPX pilot tone)", "Power supply": "12 V DC", "Current consumption": "max. 350 mA", "Max. Input voltage": "+22 dBu", "Transmission 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", "AF frequency response": "25 Hz to 15 kHz", "Temperature Range": "-10 °C to +55 °C", "Frequency stability": "±10 ppm", "Antenna Output": "BNC socket, 50 Ω" }, "EK IEM G4": { "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 Ω", "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 μV, typ. 1.6 μV for 52 dBA rms S/N", "Squelch": "5 to 25 dBµV, adjustable in steps of 2 dB", "Bass Boost": "+8 dB at 80 kHz", "Temperature Range": "-10 °C to +55 °C", "Receiver Principle": "Adaptive diversity", "Blocking": "≥ 80 dB" } } |