Sennheiser e840 Instructions For Use Manual page 16

Specifications
Transducer principle
Frequency response
Pick-up pattern
Sensitivity
(free field, no load at 1 kHz)
Nominal impedance
Min. terminating impedance
Connector
Operating temperature
Weight
Dimensions
8
dynamic
40.....18,000 Hz
cardioid
2 mV/Pa ± 3 dB
350 Ω
1 kΩ
XLR-3
0°C to +40°C
330 g
Ø 47 x L 181 mm