Sennheiser EK IEM G4-GB Receiver 509911

Sennheiser EK IEM G4 Receiver

This is the latest G4 version of the popular Sennheiser evolution IEM receiver. GB band 606-648MHz.

Here's the science bit:-

• Dimensions Approx. 82 x 64 x 24 mm
• Compander Sennheiser HDX
• Weight (incl. batteries) approx. 125Gm
• 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 or BA 2015 accupack
• Current consumption at nominal voltage: approx. 140 mA
• 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
• 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