Clear-Com KB-702 GM 2-Channel Flush-Mount Headset

2-Channel Select Flush-Mount Headset/Speaker Station with Mic Jack and Vox, Mounts in V-Box, HelixNet S-Mount, or console.

KB-702 GM provides a remote speaker station permits the user to select between two channels of party-line communications, with the ability to talk and/or listen on the selected channel. The user can listen via the integrated speaker, or may use a headset or telephone-style handset - and can talk via a headset mic, a telephone handset, or a push-to-talk microphone. KB-702 also includes gooseneck microphone (GM-9/GM-18 or GN-250/ GN-450) connector options, with adjustable VOX feature and mic/ headset switch.

Specifications:

• Panel Microphone Input: Input Type: Electret, Input Impedance: >=2KΩ, Mic Limiter Threshold: -2dBu ±3dB, Mic Limiter Range: >= 15dB
• Headset Microphone Input: Input Type: Dynamic, Input Impedance: >= 1KΩ, Mic Limiter Threshold: -2dBu ± 3dB, Mic Limiter Range: >= 15dB
• Program Line Input: Maximum Level before Clipping: >= 20dBu, Input Impedance: >= 5KΩ
• Headset Output: Load Impedance: >= 8Ω, Output Impedance: <= 25Ω, Output Limiter Threshold: +5dBu ± 3dB, Maximum Output Level before Distortion: >= 17dBu
• Speaker Output: Load Impedance: >= 4Ω,, Max Output Level before 1% Distortion: 20dBu ± 2dBu
• Party-line Output: Off Noise: < -74dBu, Output Impedance: >10KΩ
• Party-line Input: Crosstalk: < -60dB, Max level before Clipping : >= 12dBu, Sidetone Null Capability: > 25dB
• Frequency Response: Panel Mic - Party-line: 300 - 16KHz ± 3dB, Headset Mic - Party-line: 300 - 15KHz ± 3dB, Program Input - Headset Out: 200 - 18KHz ± 3dB, Program Input - Speaker Out: 200 - 18KHz ± 3dB, Party-line - Headset Out: 200 - 18KHz ± 3dB, Party-line - Speaker Out: 200 - 18KHz ± 3dB
• Max Distortion: Panel Mic - Party-line: <= 0.5%, Headset Mic - Party-line: <= 0.5%, Program Input - Headset Out: <= 0.2%, Program Input - Speaker Out: <= 0.5%, Party-line - Headset Out: <= 0.2%, Party-line - Speaker Out: <= 0.5%
• Noise: Panel Mic - Party-line: < -65dBu, Headset Mic - Party-line: < -70dBu, Program Input - Headset Out: < -60dBu, Program Input - Speaker Out: < -60dBu, Party-line - Headset Out: < -50dBu, Party-line - Speaker Out: < -50dBu
• Max Gain: Panel Mic - Party-line: >= 37dB, Headset Mic - Party-line: 41dB ± 2dB, Program Input - Headset Out: >= 18dB, Program Input - Speaker Out: >= 24dB, Party-line - Headset Out: >= 34dB, Party-line - Speaker Out: >= 40dB
• Power: Input Voltage Range: 20-30 VDC, Input Current (Idle): <= 90mA, Input Current (Max): <=110mA
• Internal Adjustments and Connections: Intercom: Line Five terminal connector, Program Input Three terminal connector, Option Switches: Three DIP switches, Call Signal Jumper3: Three sets of options jumpers, Call Alert Tone Level Control: Level adjustment control
• Front Panel Connectors: Panel Mic: (1) 1/4 in. (0.64 cm) panel mounting jack, Headset: (1) XLR-4M
• Front Panel Controls & Indicators: (1) Panel /headset mic switch, (1) Program monitor level control, (1) Sidetone null control, (1) Talk button, (1) Call button, (1) Speaker ON-OFF switch, (1) Channel select switch, (1) Speaker volume control, (1) VOX control, (1) VOX indicator
• Environmental: 32 - 122 ˚F (0 - 50 ˚C)
• Dimensions: 8.25 in. W x 4.5 in. H x 1.75 in. D(210 mm x 114 mm x 44 mm)
• Weight: 1.1 lbs. (0.50 Kg)