COS Engineering S6 – Audiophile Network Switch

The COS S6 is a refined 6-port network switch designed to eliminate the frustrating loss of audio fidelity commonly associated with digital streaming. Built with the same philosophy as COS's flagship S10, the S6 integrates low-noise circuitry, precise clocking, and clean power in a compact and more affordable form.

As one reviewer aptly put it — adding the S6 to your hi-fi streaming system is like uncorking your favorite wine: it restores musical nuance, smoothness, and depth.

🔧 Key Features

• 6-Port Layer-2 Unmanaged Switch Purpose-built for high-end music streaming applications.

• Precision Clocking Dual ultra-low jitter oscillators (0.025 ps) ensure stable timing and a quieter digital background.

• Clean Power Design

  • External wall power adapter

  • 4 low-noise regulators

  • Internal copper shielding to reduce EMI

• Optimized Port Design

  • 4 × RJ45 Copper Ports (10/100/1000 Mbps)

  • 2 × SFP Fiber Ports (1000/100 Mbps)

  • Each copper port is individually switchable (DIP switch under the chassis)

  • LED indicators can be switched off for cleaner operation

• Chassis Construction

  • Durable enclosure made of copper, steel, and aluminum alloy

  • Finish available in Silver or Black

📦 Specifications

🎯 Who Is It For?

Perfect for the audiophile looking to upgrade streaming performance without the size or cost of a full-spec switch like the S10. The S6 brings clearer highs, deeper backgrounds, and richer musical textures — especially in systems where detail retrieval matters.