Sonifex DHY-04: The World’s Best Telephone Hybrid Just Got Better
The Sonifex DHY-04 is an enhanced redesign of the world-renowned DHY-03, now with advanced features such as auto-sensing combined analogue and AES/EBU inputs/outputs, Ethernet connectivity, and more. Offering unmatched performance for crystal-clear telephone audio, the DHY-04 is the ultimate choice for professional broadcasting and communications.
Key Features of the Sonifex DHY-04
Auto-sensing combined analogue or AES/EBU XLR input.
AES/EBU sample rates up to 24-bit/96kHz accepted.
Configurable analogue or AES/EBU XLR output.
Ethernet port for remote configuration via a web browser GUI.
Remote dialling and line control via Ethernet.
SNMP management system support with SNMP Trap generation.
DTMF dial tone recognition for remote journalist access.
Four front-panel speed-dial buttons and a redial button for quick calls.
Additional Features
Fully automatic with adaptive line condition adjustments and signal limiting.
Echo cancellation up to 127ms for superb call clarity.
70dB line balance rejection for exceptional audio performance.
Built-in conferencing for connecting two calls on one telco channel.
Automatic call answering, disconnection, and ducking features.
Local and remote line hold switching for seamless control via mixing consoles.
International compatibility with configurable country-specific settings.
Balanced mic/line input and output with selectable gain levels.
Record output for capturing both sides of the conversation.
Universal power supply (90V AC to 250V AC) with ETSI approval.
Technical Specifications
Audio Specifications
Analogue Audio I/O: Input impedance 10kΩ balanced 0dB, Output impedance 50Ω balanced.
Digital Audio I/O: AES/EBU sample rates from 30-100kHz, input/output impedance 110Ω balanced.
Telephone Line: Bandwidth 250Hz-4kHz, impedance 600Ω/900Ω, line rejection 80-88dB.
Power Supply
Universal 12W power supply: 90 to 250V AC, 47-63Hz; IEC mains input.
Connections
XLR 3-pin input/output for analogue/AES-EBU
RJ11 sockets for telephone line and handset.
RJ45 for Ethernet and conferencing.
RS232 for serial control.
Physical Specifications
DHY-04: 4.5cm (H) x 21.8cm (W) x 17.5cm (D), Weight: 1.4kg.
DHY-04S (Rack Mounted): 4.5cm (H) x 48.3cm (W) x 17.5cm (D), Weight: 1.45kg.
DHY-04T (Twin Hybrid): 4.5cm (H) x 48.3cm (W) x 17.5cm (D), Weight: 2.8kg.
Sonifex Dialler Software
The Sonifex Dialler software allows simple connection and control of the DHY-04 hybrid via Windows™ 7, 8, or 10. The intuitive interface includes a numeric keypad, speed dials, last-number re-dial, signal metering, and status indicators. For hybrids with GSM modules, a signal strength indicator is included.
Compliance & Certification
The DHY-04, DHY-04S, and DHY-04T models are fully compliant with ACMA standards for use in Australia and New Zealand, ensuring international operational safety and efficiency.
