The Hx1 contains an advanced 3rd-generation Telos hybrids for superior audio quality. Universal POTS interface features disconnect-signal detection, which works with Telco providers worldwide. Includes Auto-Answer with selectable ring count, switchable mic/line input, call screening and line-hold features, front-panel send and receive audio metering; audio sweetening tools include Digital Dynamic EQ (DDEQ) and adjustable smart leveler, symmetrical wide-range AGC and noise gating by Omnia, studio adaption and pitch shifter for use in open-speaker applications, and adjustable caller override.

Analog I/O standard;

AES/EBU I/O with automatic sample rate conversion optional. Auto-ranging power supply, 90 132 / 187 264 VAC, 50Hz/60Hz. 100 Watts. Rackmount,1 RU.