Matrix Audio SI-1 Silver Audio Grade Network Isolator

🧾 Overview

Matrix 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

📦 What’s in the Box

• 🔌 Power cable ×1
• 📖 User manual ×1
• 🛡️ Warranty card ×1

🔄 Compatibility

Install 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

⚠️ Warning

Warning: this box will not make bad internet faster, but it may make audiophiles inspect Ethernet cables with suspicious emotional intensity.