6 beltpack (hbp-2x), 1 connectors, 2 microphone pre-amplifier – Clear-Com HLI-FBS User Manual
Page 167: Beltpack (hbp-2x)
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
167
HelixNet Partyline User Guide