Matrix Audio SI-1 Silver Audio Grade Network Isolator

🧾 OverviewMatrix Audio SI-1 is an audio-grade network isolator designed to clean the Ethernet path before a streamer, DAC or audio network switch. It uses active optical-electrical isolation, dual-channel optical transmission, dual femtosecond clocks and a linear power supply to block conducted noise and protect downstream digital audio equipment.✅ Key Features ✅ Active optical-electrical isolation for Ethernet audio systems ✅ Dual 1Gbps RJ45 ports: one input and one isolated output ✅ Dual-channel optical transmission with independent send and receive paths ✅ Two femtosecond clocks for stable data transmission ✅ Linear power supply with dual-winding potted toroidal transformer and multiple LDOs ✅ Switchable rear Ethernet LEDs for dark listening rooms ✅ CNC unibody aluminium enclosure 📊 Technical Specifications ▼ Parameter Value Device type Audio-grade network isolator Network standards IEEE 802.3 10BASE-T; IEEE 802.3u 100BASE-X; IEEE 802.3z 1000BASE-T; IEEE 802.3ab 1000BASE-T Ports 1 × 1Gbps/100Mbps/10Mbps RJ45 input; 1 × 1Gbps/100Mbps/10Mbps RJ45 isolated output Isolation method Active optical-electrical isolation Clocking Two femtosecond clocks LED indicators Front power LED, two front link-status LEDs; rear port speed/link/activity LEDs MAC address table 2K entries Power AC 100–120V or AC 220–240V, factory-fixed; consumption <15W Dimensions 120 × 205 × 44 mm Weight 1.54 kg Bluetooth / Wi-Fi N/A 📦 What’s in the Box 🔌 Power cable ×1 📖 User manual ×1 🛡️ Warranty card ×1 🔄 CompatibilityInstall SI-1 between a router, network switch, NAS or home network and an Ethernet-connected streamer, DAC, media player or dedicated audio network switch. It is plug-and-play and does not replace a router.📦✈️ Shipping & Returns 📦 Insured worldwide delivery 🔄 14-day return policy 🛡️ 2-year EU warranty 📝 Reviews“Active optical isolation to completely sever the electrical connection.” — Moon Audio“Plug-and-play compatible with any Ethernet-connected streamer, NAS, or DAC.” — Moon Audio“Doesn’t feel like a tweak.” — Audiogon Forum⚠️ WarningWarning: this box will not make bad internet faster, but it may make audiophiles inspect Ethernet cables with suspicious emotional intensity.