SI-1 Audio Grade Network Isolator
The Matrix Audio SI-1 Audio Grade Network Isolator is a premium accessory designed to enhance Hi-Fi streaming audio systems by purifying network signals. It employs active optical-electrical isolation technology to block electromagnetic interference and break ground loops, resulting in a cleaner audio background. Featuring a dual-channel optical transmission architecture and two femtosecond clocks, it ensures superior timing accuracy and reduced jitter. The device is housed in a CNC-machined unibody aluminum enclosure for enhanced shielding and aesthetics, with switchable rear-panel Ethernet port LEDs to minimize light pollution during critical listening sessions.
$699.00
Owner Satisfaction
4.3
/ 5
Category Rank
454
/ 489
#454 in Audio Converters
Price vs Category Average
-84%
Below average
Standards & Protocol Specifications
802.310802.3100802.31000802.31000
/ IEEE : BASE-T, IEEE u : BASE-X, IEEE z : BASE-T, IEEE ab : BASE-T
Who it's for
- Elevated Sound Purity
- Revealed Musical Nuances
- Robust System Safeguard
Who should skip it
- Subjective Performance Gains
- Considerable Investment
- Added System Complexity
Key Specs
Standards & Protocol Specifications
IEEE 802.3 : 10BASE-T, IEEE 802.3u : 100BASE-X, IEEE 802.3z : 1000BASE-T, IEEE 802.3ab : 1000BASE-T
Ports
1 x 1Gbps/100Mbps/10Mbps RJ45, 1 x 1Gbps/100Mbps/10Mbps RJ45 Isolated
LED Indicators
1 x Power Status LED (front panel), 2 x Link Status LEDs (front panel), 2 x Speed/Link & Activity LEDs per LAN Port (back panel)
Max MAC Entries
2K MAC Address Table
Weight
1.55 kg (3.40 lbs)
Dimensions
Width: 120 mm (4.72 in), Depth: 205 mm (8.07 in), Height: 44 mm (1.73 in)
Power Voltage
AC 100V–120V 50/60Hz or AC 220V–240V 50/60Hz (factory-fixed)
Power Consumption
< 15W
Features
- Active optical-electrical isolation technology blocks electromagnetic interference.
- Dual-channel optical transmission architecture eliminates signal crosstalk.
- Two femtosecond clocks ensure superior timing accuracy and reduced jitter.
- Linear power supply with a dual-winding toroidal transformer for clean power.
- Dual 1Gbps RJ45 ports with physical separation and electrical isolation.
- Robust protection against lightning strikes, power surges, and mains noise.
- Switchable rear-panel Ethernet port LEDs eliminate light pollution.
- CNC unibody aluminum enclosure for premium aesthetics and shielding.
What customers say
Customers consistently praise the SI 1 Audio Grade Network Isolator for its exceptional build quality and robust reliability. Users frequently highlight the product's solid construction and the confidence it inspires in long term performance. The device is seen as a dependable component, contributing to a stable audio setup. Many appreciate its premium feel and the assurance of a well engineered product, making it a trusted addition to their systems.
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