Telos Hx1

Digital Hybrid

Inside the Telos Hx1 you’ll find Telos processing technologies that take the POTS hybrid to a new level of consistently performance.

Original price was: €1,150.Current price is: €1,095.

SKU: 101026
Original price was: €1,150.Current price is: €1,095.
Original price was: €1,385.Current price is: €1,325.


The Telos Hx1 Digital Hybrid is an advanced solution designed for analog phone lines in radio broadcasting environments. Here’s a breakdown of the features and specifications:


  1. Hybrid Capacity:
    • Hx1: Single-line capacity
    • Hx2: Two-line capacity
    • Standard analog I/O with switchable mic/line input
    • Optional AES/EBU digital audio I/O available at the time of order or as a field upgrade kit
  2. Advanced DSP Algorithms:
    • Optimized for superior performance with various incoming call types
    • Incorporates Telos DDEQ (Digital Dynamic EQ) and adjustable smart-level AGC for consistent audio quality
    • Utilizes symmetrical wide-range AGC by Omnia Audio for smooth audio processing
  3. Audio Sweetening Tools:
    • Telos DDEQ for dynamic equalization
    • Smart AGC / Platform Leveler for consistent audio levels
    • Noise gate and frequency shifter for noise reduction
    • Studio adaptation and pitch shifter to prevent feedback in open-speaker environments
    • Adjustable caller override for precise control
  4. Analog and Digital I/O:
    • Analog I/O with 24-bit A/D/A sample rate conversion and 20 dB headroom
    • Optional AES/EBU I/O with sample rate converters supporting rates from 32 kHz to 48 kHz
  5. Auto-Answer and Call Management:
    • Auto-Answer with selectable ring count and disconnect-signal detection
    • Call screening and line-hold features for efficient call handling



  • Telos 3rd-generation Adaptive Digital Hybrid
  • Telos Exclusive Feedback Reduction Functions

Analog Inputs/Outputs:

  • Send Analog Inputs: 1 for Hx1, 2 for Hx2 (per hybrid)
  • Receive Analog Outputs: 1 for Hx1, 2 for Hx2 (per hybrid)
  • Analog Clip Point: +21 dBu
  • Analog-to-Digital Converter Resolution: 24 bits
  • Digital-to-Analog Converter Resolution: 24 bits

AES3 Digital Inputs/Outputs (optional):

  • Sample rates: 32 kHz to 48 kHz
  • Rate conversion: Input and output independently selectable
  • Output Clock: AES input or internal 48 kHz

Audio Performance:

  • Frequency Response: 200 to 3400 Hz, +/- 1 dB
  • THD+N: < 0.5% THD+N using 1 kHz sine wave
  • Dynamic Range: > 92 dB (Analog in to Analog out, studio loop mode, 10 Hz-20 kHz A-weighted)
  • SNR: > 72 dB (Analog output, referred to -12 dBm phone line signal, 10 Hz-20 kHz A-weighted)
  • Trans-Hybrid Loss: > 55 dB (Analog phone line with ducking, gate, AGC, EQ all OFF relative to +4 dBu input level)

Analog Telephone Line Connectivity:

  • Universal interface with programmable loop current, ring signaling, and flash time
  • Caller ID decoding using Bellcore 212 modem standard

Power Supply:

  • Internal auto-ranging power supply (90–265 VAC auto-switching, 50–60 Hz)
  • Power consumption: 100 Watts

The Telos Hx1 and Hx2 Digital Hybrids offer superior audio quality and advanced features tailored for radio broadcasting, ensuring efficient call handling and consistent performance in diverse broadcasting environments.