Owner manual

14.6 Beltpack (HBP-2X)
14.6.1 Connectors
Specification Description / value
Intercom line
Two 3-pin XLR. One male and one female.
Headset
4-pin XLR–M and 2.5mm TRS jack
USB
Micro-AB
TRS Headset
3.5mm mini jack
Table 14-40: Beltpack: Connectors
14.6.2 Microphone pre-amplifier
Specification Description / value
Headset Mic impedance:
200 Ω (Dynamic)
Headset Mic Voltage
1.7V (Electret selectable)
Limiter
+23 dB
The following specified for a route to 4-wire output @ 0dBu out:
Mic gain
60dB (dynamic) 45dB (electret)
Frequency response
300 Hz – 10 kHz + / -3dB (contoured for intelligibility)
Distortion
<0.2% THD @ 1 kHz
Noise-
<-55dBu dynamic, <-65dBu electret
Table 14-41: Beltpack: Microphone pre-amplifier
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