Sennheiser EK100G4-B Portable Receiver 626-668 MHz

The EK 100 G4 Wireless Camera-Mount Receiver from Sennheiser is the latest addition to their evolution family of wireless microphones and is fully compatible with all previous series. Featuring an updated high-contrast LCD display, blue sync LED, and a dedicated escape button, it can be used when paired with a microphone and transmitter (sold separately) for capturing audio in live sound, broadcast, film, business, and educational applications.

The EK 100 G4 wireless receiver is lightweight and built with an all-metal housing. It is equipped with 1680 tunable UHF frequencies and synchronizes with G4 transmitters at the touch of a button. A 3.5mm audio-output jack delivers a clean output signal using the included adapter output cables. The receiver operates on 2 standard AA batteries, and an optional 12 VDC adapter is also available. The included shoe-mount adapter allows you to mount the receiver on a camera for convenient portable use.

Updated Features

The evolution wireless G4 retains all of G3's best features
Quicker setup
High-contrast LCD display
Dedicated escape button

Technical Specs:

Modulation Wideband FM

Receiving Frequency Maximum 1680 receiving frequencies, adjustable in 25 kHz steps 20 frequency banks, each with up to 16 factory-preset channels, no intermodulation 1 frequency bank with up to 12 programmable channels

Switching Bandwidth Up to 42 MHz

Nominal/Peak Deviation ±24 kHz / ±48 kHz

Principle of Operation Adaptive diversity

Sensitivity < 1.6 μV for 52 dBA eff S/N (with HDX, peak deviation)

Adjacent Channel Selectivity ≥ 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 Antenna Inputs 2 x BNC sockets

Compander Sennheiser HDX

Signal to Noise Ratio ≥ 110 dBA (1 mV, peak deviation)

Total Harmonic Distortion (THD) ≤ 0.9%

Maximum AF Output Voltage 1/8" /3.5 mm Jack: +12 dBu (mono, unbalanced)

Output Level Range 42 dB, adjustable in steps of 6 dB

Temperature Range 14 to 131°F (-10 to 55°C)

Power Supply 2 x AA 1.5 V batteries, or BA 2015 accupack

Nominal Voltage 3 V battery / 2.4 V rechargeable battery

Current Consumption Nominal Voltage: Typical 180 mA With Receiver Switched Off: ≤ 25 µA Operating Time Typically 8 hours

Dimensions (L x W x H) 3.2 x 2.5 x 0.9" / 82 x 64 x 24 mm

Weight 5.6 oz / 160 g