Sennheiser EW 512P G4-CW

Frequency range 

AS: 520 - 558 MHz 

Aw+: 470 - 558 MHz 

Bw: 626 - 698 MHz 

Cw: 718 - 790 MHz 

Dw: 790 - 865 MHz 

GBw: 606 - 678 MHz 

Gw: 558 - 626 MHz 

Gw1: 558 - 608 MHz 

JB: 806 - 810 MHz 

K+: 925 - 937,5 MHz 

Bw: 626 - 698 MHz 

Cw: 718 - 790 MHz 

Dimensions 

Approx. 82 x 64 x 24 mm 

Compander 

Sennheiser HDX 

THD, total harmonic distortion 

≤ 0.9 % 

Weight 

(incl. batteries) approx. 130 g 

Audio output 

3.5 mm jack socket: +17 dBu (mono, balanced) 

Signal-to-noise ratio 

Line: ≥ 110 dBA, Phones: approx. 90 dBA 

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. 140 mA 

with receiver switched off: ≤ 25 µA 

Adjacent channel rejection 

Typically ≥ 65 dB 

Intermodulation attenuation 

Typically ≥ 65 dB 

Powering 

3 V battery / 2.4 V rechargeable battery 

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 

< 1.6 μV for 52 dBA eff S/N 

Squelch 

low: 5 dBµV, middle: 15 dBµV, high: 25 dBμV 

Temperature Range 

-10 °C to +55 °C 

Receiver Principle 

Adaptive diversity 

Blocking 

≥ 70 dB 

SK 500 G4 

Dimensions 

Approx. 82 x 64 x 24 mm 

Compander 

Sennheiser HDX 

THD, total harmonic distortion 

≤ 0.9 % 

Weight 

(incl. batteries) approx. 160 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 

with transmitter switched off: ≤ 25 µA 

Input impedance 

40 kΩ, unbalanced / 1 MΩ 

Max. Input voltage 

3 Veff 

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 

Mic: 80 – 18,000 Hz, Line: 25 – 18,000 Hz 

Temperature Range 

-10 °C to +55 °C 

Frequency stability 

≤ ±15 ppm 

MKE 2 

Connector 

3.5 mm jack 

Frequency response 

20 to 20.000 Hz ± 3 dB 

Max. sound pressure level 

142 dB 

Cable length 

approx. 1.60 m 

Transducer principle 

pre-polarized condensor microphone 

Pick-up pattern 

omni-directional 

Sensitivity in free field, no load (1kHz) 

5 mV/Pa, ± 3 dB 

Equivalent noise level 

26 dB 

Equivalent noise level weighted as per CCIR 

39 dB