Sennheiser ew IEM G4 Wireless Monitor System (A1: 470 to 516 MHz)

Frequency range 

A: 516 - 558 MHz 

A1: 470 - 516 MHz 

AS: 520 - 558 MHz 

B: 626 - 668 MHz 

C: 734 - 776 MHz 

E: 823 - 865 MHz 

G: 566 - 608 MHz 

GB: 606 - 648 MHz 

D: 780 - 822 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 

Frequency range 

748.3 MHz - 757.7 MHz 

Frequency range 

Sr iem g4: 

D: 780 - 822 MHz 

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 receiving 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 8 kHz 

Temperature Range 

-10 °C to +55 °C 

Receiver Principle 

Adaptive diversity 

Blocking 

≥ 80 dB