1. Low noise floor, no 50Hz AC "" sound, no high-frequency "la" interference, CD sound quality2. Point-to-point balanced audio transmission, optional (RCA interface audio isolator3.Excellent 60dB-CMRR, high anti-common mode interference suppression capability4. Made of aerospace materials, with ultra-high sensitivity and low illumination attenuation characteristics5. Plug and play, no restrictions required, no need to import files during installation and debugging3.5mm audio cable (male and female)A pair of isolated filtered audio transmitters, which can transmit video signals up to 450-600 metersSupports plug-and-play, hot-swappable, no power supply, no software setup and maintenance required.putBuilt-in transient, surge suppression, and anti-static protection circuitsPVC plastic is waterproof, small in size and light in weight24X7X365 working around the clock, stable and reliable performanceStereo isolation and squelch functionEquipment insertion loss Less than 0.5dBReturn loss: 18dBDue to different production batches, the appearance will be slightly different. The actual product shall prevail and does not affect use.Colour:BlackMaterial:plastic+metalSize:7x4.5x3cmPackage Contents:1 x Audio IsolatorOnly 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.