Sennheiser 604 Instructions For Use Manual page 7

Specifications
Transducer principle
Frequency response
Pick-up pattern
Sensitivity
(free field, no load) (at 1 kHz)
Nominal impedance (at 1 kHz)
Min. terminating impedance
Connector
Dimensions
Weight
dynamic
40.....18,000 Hz
cardioid
1.8 mV/Pa
350 Ω
1 kΩ
XLR-3
Ø 33 x L 59 mm
60 g
13