HelixNet | User Guide
20.6.6 Dimensions and Weight HKB
Specification Description / value
Weight 18.8 oz (0.53 kg)
Dimensions 4.5 x 8.2 x 2.4 in (114 x 209 x 61 mm) HxWxD
20.7 Beltpack (HBP-2X)
20.7.1 20.6.1 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
20.7.2 Microphone Pre-Amplifier
Specification Description / value
Headset Mic impedance: 200Ω (Dynamic)
Headset Mic Voltage 1.7V (Electret selectable)
The following specified for a route to 4-wire output @ 0dBu out:
Mic gain 60dB (dynamic) 45dB (electret)
Frequency response 300Hz – 10kHz + / -3dB (contoured for intelligibility)
Noise- <-55dBu dynamic, <-65dBu electret
20.7.3 Headphone Amplifier
Specification Description / value
Load impedance >32 Ω
Output level +12dBu before clipping
Sidetone -12dB (selectable)
The following specified for a route from a 4-wire input @0dBu in:
Max gain 0dB
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