
Sennheiser SpeechLine Wireless Boundary Microphone Set
The Sennheiser SpeechLine Wireless Boundary Microphone Set includes an SL Boundary 114-S DW-4 B wireless boundary microphone, an SL Rack Receiver DW stationary receiver with power supply, a BA 40 rechargeable battery pack for the mic, a USB Cable, and a GA 4 rackmount kit for the receiver.
SPECIFICATION
Frequency response
40 to 20,000 Hz
THD, total harmonic distortion
typ. 0.1 %
Weight
approx. 208 g
Pick-up pattern
Cardioid
Microphone sensitivity
10 mV / PA
Signal-to-noise ratio
> 90 dB(A)
RF output power
adaptive, up to 250 mW (country-specific)
Operating time
Battery pack: typ. 13 h
Dynamic range
< 100 dB(A)
Frequency range
EU: 1,880 to 1,900 MHz
USA: 1,920 to 1,930 MHz
Brazil: 1,910 to 1,920 MHz
Taiwan: 1,880 to 1,895 MHz
Japan: 1,893 to 1,906 MHz
Sampling rates
24 bit/48 kHz