Sennheiser E 903 Instruction Manual page 10

Specifications
Transducer principle
Acoustic operating principle
Frequency response
Pick-up pattern
Sensitivity
(free field, no load) (at 1 kHz)
Magnetic field
interference factor (at 50 Hz)
Nominal impedance (at 1 kHz)
Min. terminating impedance
Front-to-back rejection
(at 1 kHz and 180°)
Connector
Weight
Dimensions
10
dynamic
pressure gradient receiver
−
40 18,000 Hz
cardioid
±
2.8 mV/Pa 3 dB
≤
1µV/µT
350 Ω
1 kΩ
> 15 dB
XLR-3
325 g
diameter: 40.75 mm,
length: 176 mm