Sennheiser EK 500 G4 (Band AW+)

• Professional sound and excellent construction quality
• Easy to use and fast setup time
• Easy and flexible wireless synchronisation between transmitter and receiver via infrared
• Up to 88 MHz bandwidth, up to 32 channels
• Range: up to 100 meters / 330 feet
• Increased RF output power (10/30/50 mW)
• Up to 8 hours of operation time

RF characteristics

• Modulation : Wideband FM
• Frequency ranges : Aw+: 470 - 558 MHz

Receiving frequencies

• Max. 2880 receiving frequencies, adjustable in 25 kHz steps
• 20 frequency banks, each with up to 32 factory-pre-set channels, no intermodulation
• 6 frequency banks with up to 32 programmable channels
• Switching bandwidth : up to 72 MHz
• ominal/peak deviation : ±24 kHz / ±48 kHz
• Receiver principle : Adaptive diversity
• Sensitivity (with HDX, peak deviation) : < 1.6 μV for 52 dBA
• Adjacent channel selection : Typically ≥ 65 dB
• Intermodulation attenuation : Typically ≥ 65 dB
• Blocking : ≥ 70 dB

Squelch

• Low: 5 dBμV
• Middle: 15 dBμV
• High: 25 dBμV
• Pilot tone squelch : Can be switched off

AF characteristics

• Compander system : Sennheiser HDX
• Signal-to-noise ratio (1 mV, peak deviation)
• Line: ≥ 110 dBA
• Phones: approx. 90 dBA
• Total harmonic distortion (THD) : ≤ 0.9 %
• AF output voltage (at peak deviation, 1 kHz AF) : 3.5 mm jack socket: +17 dBu (mono, unbalanced)
• Adjustment range of audio output level : 42 dB, adjustable in steps of 6 dB

Overall Device

• Temperature range : -10 °C to +55 °C
• Power supply : 2 AA batteries, 1.5 V or BA 2015 accupack
• Nominal voltage : 3 V battery / 2.4 V rechargeable battery
• Current consumption : at nominal voltage: typ. 140 mA with receiver switched off: ≤ 25 μA
• Operating time : Typically 8 h
• Dimensions : Approx. 82 x 64 x 24 mm