Sennheiser EW-DP 835s SET

SPECIFICATIONS:
Audio frequency response 20 Hz - 20 kHz (-3 dB) @ 3 dBfs
Audio THD ≤ -60 dB for 1 kHz @ -3 dBfs input level
Dynamic range 134 dB
System latency 1.9 ms
Operating temperature -10 °C - +55 °C

EW-DP EK
Input voltage ~ 1.8 - 4.35 V
Power Supply 2x AA batteries 1.5V or BA70 rechargeable battery pack or USB-C PD power supply
Transmit power (radiated) BLE: max. 10 mW EIRP
Audio output power < 2 dBV max. (high level) / < 4dBU max (high level)
Headphone Output < 50 mW into 16 Ohms
Dimensions 86 x 67 x 28 mm
Weight (without antennas and power supply) approx. 140g (without power supply) (0.31 lbs)

EW-D SKM-S (Handheld Transmitter)
Input voltage 2.0 - 4.35 V
Input current < 300 mA
Power supply 2 AA batteries 1.5 V (alkali manganese) or BA 70
rechargeable battery pack Occupied bandwidth 200 kHz
Transmit power (radiated) Audio link: 10 mW ERP (Range Y1-3: 12 mW ERP) BLE: max. 10 mW EIRP
Dimensions (ø x l)
(incl. MMD 835 microphone module) 50 x 268 mm (1.97" x 10.55")
(without microphone module) 40 x 200 mm (1.57" x 7.87")
Weight (without batteries)
(incl. MMD 835 microphone module) approx. 304 g (0.67 lbs)
(without microphone module) approx. 195 g (7.14 lbs)

MMD 835 (Microphone Module)
Transducer principle dynamic
Sensitivity 2.1 mV/Pa
Sound pressure level 154 dB SPL
Pick-up pattern cardioid