Matrix Audio SI-1 Audio Grade Network Isolator
This Audio Grade Network Isolator by Matrix is for those chasing sound purity by establishing clean signal paths in streaming hi-fi setups.
Matrix Audio SI-1 Audio Grade Network Isolator 
This Audio Grade Network Isolator by Matrix is for those chasing sound purity by establishing clean signal paths in streaming hi-fi setups, as it acts as an extension that reinforces clarity in the audio reproduction; allowing music to sound as it was intended by the artist.
Key Features:
• Dual femtosecond clocks in power supply
• Dual 1Gbps RJ45 ports
• CNC unibody aluminum enclosure
• Dual-channel optical transmission
• Active optical-electrical isolation technology
User Manual (464 KB)
A Pure Soundscape
Preserving Sonic Authenticity.
Matrix Audio SI-1 Audio Grade Network Isolator is a premium accessory meticulously crafted for Hi-Fi enthusiasts who pursue sonic purity.
As a key extension of the Matrix Audio ecosystem, SI-1 not only carries forward the brand’s consistent commitment to precision engineering, but also unlocks new possibilities for cleaner signal paths in streaming audio systems. Working in synergy with other components, it elevates overall system performance, actively raising the ceiling of sound quality and reinforcing the very foundation of audio reproduction.
A Cleaner Sonic Foundation
The Matrix Audio SI-1 Audio Grade Network Isolator features active optical-electrical isolation technology, effectively blocking electromagnetic interference generated by routers and network switches. By purifying network noise that can interfere with audio signals, it also breaks ground loops and prevents current noise caused by grounding potential differences between devices. The result is a deeply “black” background, allowing music to emerge with greater clarity and purity.
Precision in Every Detail
A dual-channel optical transmission architecture enables independent sending and receiving paths, eliminating mutual interference at the source and preventing signal crosstalk. Two femtosecond clocks, combined with a linear power supply by a dual-winding toroidal transformer and multiple LDOs, ensure stable and clean power delivery. This design ensures data integrity, reduces transmission errors and jitter, improves timing accuracy, and allows musical details to be rendered with exceptional precision.
Two femtosecond clocks
Linear power supply with dual-winding potted toroidal transformer and multiple LDOs
Attentive Protection
Equipped with dual 1Gbps RJ45 ports (one input and one isolated output), SI-1 adopts a physically separated layout. The output port incorporates an electrical isolation washer, reinforcing signal integrity while significantly reducing transmission errors and completely cutting off electrical continuity between devices. Whether facing lightning strikes, power surges, electrostatic discharge, or persistent noise from the power mains, SI-1 forms a robust protective barrier for high-value digital audio equipment such as network streamers, music players and DACs—ensuring peace of mind and uninterrupted listening enjoyment.
Meticulous Design
Refined Aesthetics.
The SI-1 continues the Matrix Audio's family industrial design language, featuring a CNC unibody aluminum enclosure that not only delivers a premium touch, but also enhances shielding against external interference.
Front LED indicators
The LED indicators on the front-panel displays the status of the device clearly.
Switchable LEDs on the Ethernet port
The rear-panel Ethernet port LEDs can be switched on or off to eliminate light pollution—demonstrating careful consideration for real listening environments and uninterrupted musical immersion.
Precision Matching
A Tribute to Pure Passion.
SI-1 pays tribute to every Hi-Fi light-seeker with a heart of pure sincerity. Designed to complement Matrix Audio streamers, it resonates with the audiophile's quest for absolute purity. As the optical masterstroke in your system’s evolution, it ensures that every passion for superior sound is brilliantly realised.
| Model Number | SI-1 |
|---|---|
| RRP | 1,199.00 |
| Specs | Specifications
• IEEE 802.3：10BASE-T • IEEE 802.3 u：100BASE-X • IEEE 802.3 z：1000BASE-T • IEEE 802.3 ab：1000BASE-T
Ports • 1 x 1Gbps/100Mbps/10Mbps RJ45 • 1 x 1Gbps/100Mbps/10Mbps RJ45 （Photoelectric isolation）
LED Indicators • There is one LED for power status on the front panel. • There are two LEDs for link status on the front panel. • On the back panel, each LAN Port has 2 LEDs for speed, link & activity.
Max MAC entries 2K MAC address table
|
Matrix Audio products include a 2 year Australian warranty.
Problems?
If you experience any issues with this product please don't hesitate to contact us.
We offer free post on all orders over $29 to anywhere within the Australian mainland and Tasmania.
Can I pick up my purchase from your store?
Yes. You can usually pick up your order from one of our stores. We recommend that you contact us first to ensure your order is ready for collection.
What happens if I'm not happy with my product when it arrives?
All change of mind returns must be in as new condition, in original packaging. We provide a generous 30-day change-of-mind guarantee on our products (unless otherwise stated). All change of mind returns must be in as new condition, in original packaging.
Please visit our FAQ page for answers to other frequently asked questions or contact us if you have any other questions or comments.