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Complies with the international IEC 61603-7 standard, ensuring compatibility with other IEC 61603-7-compliant devices for cross-usage.
Fully digital design for high audio quality and enhanced confidentiality.
Utilizes a new FPGA architecture with high throughput and DQPSK modulation technology for superior stability.
Operates in the 2–6 MHz carrier frequency band, free from interference caused by high-frequency light sources.
Multiple selectable modes: Normal mode, Leisure mode, and Emergency mode, catering to diverse usage scenarios.
Using infrared light for signal transmission, it has spatial enclosure and is not affected by radio interference.
Supports both standard and high-quality audio modes.
The host panel features a low-power infrared radiation signal area for easy debugging by engineers.
2.4-inch TFT display provides real-time system status and settings, with independent volume control for each channel.
Supports up to 16 audio input channels with high scalability.
Equipped with 16 RCA audio outputs for amplification and monitoring purposes.
Features four HF OUT RF signal interfaces (BNC) for connecting additional radiator panels.
One RJ45 port with 48V power supply, supporting up to five interpreter units in a daisy-chain connection.
Two RJ45 ports for external PoE network switch connections to interpreter units.
Features a high-end exterior design with a 2U chassis, suitable for installation in standard 19-inch racks.
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Model | D6391 |
Modulation Frequency | 2 MHz - 5MHz |
Protocol and Modulation | DQPSK |
Frequency Response | 20Hz-10kHz (-3 dB) (Standard Quality) 20Hz-20kHz (High Quality) |
Total Harmonic Distortion at 1 kHz | ＜0.05% |
Crosstalk Attenuation at 1 kHz | ＞80dB |
Dynamic Range | >90dB(A) |
SNR | >76dB(A) |
Power Consumption | 22W (No external power supply), 60W (48V PoE via network port for 5 connected Interpreter Units). |
Unbalanced Audio Input | Rated 250mV, Maximum 1.8V |
HF Output | 1 Vpp, 50Ω |
Interpreter Unit Interface | Internet Access |
Audio Input | RCA Unbalanced ×16 |
Audio Output | RCA Unbalanced ×16 |
RF Output | RF Output TNC Plug×4 |
Power Supply | AC220V/50Hz |
Product Dimension (L×W×H) | 483×385×88mm |
Package Size (L×W×H) | 525×480×185mm |
Net Weight | 6.5kg |
Gross Weight | 8kg |
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