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Clear-Com HXII-RM HelixNet 4-Channel 1RU Remote Station

The HXII-RM puts four HelixNet channels in a single rack unit and adds the interfacing a control room actually needs. Alongside the headset and gooseneck inputs there is a 3-pin XLR program audio input, a 3-pin XLR stage announce output, a quarter-inch TRS hot mic and IFB jack, and a 9-pin D-type GPIO port carrying one input and one output. Powerline arrives on 3-pin XLR, network on etherCON RJ45.

Program audio takes 0dBu nominal with headroom to +18dBu before clipping and better than 10k ohm input impedance, and on an Arcadia host it is a local listen while on an HMS-4X host it can be assigned to a channel. The loudspeaker amplifier drives 8 ohms to +18dBu, and distortion stays under 0.1% THD at 1kHz across the headphone and speaker paths.

Format1RU rack, 4 channels
Connectors3-pin XLR Powerline, etherCON RJ45, 3-pin Tuchel gooseneck, USB Type A
Headset Connector4-pin XLR-M
Program Audio Input3-pin XLR-F, 0dBu nominal, +18dBu max, >=10k ohms
Stage Announce Output3-pin XLR-M, +18dBu max
Hot Mic / IFB1/4 in (0.64 cm) TRS jack
GPIO9-pin D-type male, 1 GPI and 1 GPO
Loudspeaker Amplifier8 ohms, +18dBu before clipping, 200 Hz - 10 kHz +/-3dB

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