1. Dual-channel, unidirectional 6.5mm/XLR audio fiber transmission, default range 20km (0-120km selectable); 2. High-speed synchronous digital transmission technology; 3. Optical dynamic technology requires no adjustment; 4. No electromagnetic interference, no radio frequency interference, and no ground current; 5. Ensures safe transmission in harsh electromagnetic environments. The M-CF02 digital dual-channel 6.5/XLR audio optical transceiver transmits two forward-facing XLR audio signals using a single optical fiber. The audio signal utilizes 24-bit/96kHz digital sampling to high-fidelity transmission; the fully digital optical transmission channel ensures high-quality signal transmission. This product is suitable for high-fidelity audio equipment for gaming consoles, set-top boxes, hi-fi home theaters, large-screen projection video conferencing, public video broadcasting systems, remote multimedia education, classroom medical care, applications, and flat-panel video media advertising and presentations. Power Supply: DC5V -1A Color: As Shown Material: Aluminum Alloy Package Contents: 1set x optical transceiver extender Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.