ADHB-4 Gen 2

Advanced digital headset box

  • Ethernet Communication
  • Six audio output channels
  • Supports up to three pairs of amplified computer speakers
  • Dual-channel 1/4" headset jack
  • XLR connector to low-impedance microphone
  • Desk mic jack
  • Telephone handset jack
  • Individual headset volume controls (via RHB-1)
  • LED power and PTT indicator
  • 12 VDC operation
  • Two remote headset box (RHB-1) connections
  • LED power and PTT indicator
  • Programmable gain control
  • Foot-switch inputs for PTT and monitor
  • Two form-C relay outputs
  • AUX inputs are Dc isolated
  • Monochrome LCD display
  • Telex System Manager supported for firmware and configuration

The ADHB-4 Gen 2 is the perfect companion to C-Soft. The ADHB-4 Gen 2 works with C-Soft and eliminates the variability of computer sound cards for both input and output. The ADHB-4 Gen 2 represents the second generation of this proven audio interface platform. All of things users have come to know and love about the ADHB-4, such as a variety of microphone, headset, and handset options, along with up to six audio outputs, NENA port, mounting options, etc. are there. The unit sports a new display and front panel along with a back panel that has added a two channel auxiliary audio input via a 3.5mm stereo jack, which allows users to bring in other audio feeds, such as audio from a broadcast news channel.

Specifications

Width 11.36" (288.54 mm)
Depth 7.71" (195.83 mm)
Height 2" (50.8 mm)

Power Requirements +12Vdc to +16Vdc, semi-regulated, 1.25mA nominal at 12Vdc
Weight 5.20lbs/2.36kg (unit); 7.19lbs/3.26kg (shipping weight)
Audio Distortion 2% THD maximum
NENA Input/Output Impedance 600 Ohms nominal
Relay Contact Ratings 1A 125VAC—Form C Contacts
Ethernet Speed 10/100BaseT
USB Version 2.0
Storage Temperature 28.8°C to 48.8°C (-20°F to 120°F), 100% Non-Condensing
Operating Temperature 0°C to 55°C (32°F to 131°F), 100% Non-Condensing
Frequency Response ±1.5dB, 300 to 3000Hz

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