COS Engineering S10 – Audiophile Network Switch

The COS Engineering S10 is far more than just an upgraded network device — it’s a precision-engineered LAN distributor purpose-built for high-fidelity audio streaming. Designed by audiophiles, for audiophiles, the S10 addresses the subtle but significant impact that noise and jitter have on digital audio playback.

Just like decanting a fine wine enhances its aroma and flavor, powering up the S10 brings out the texture, space, and musical nuance in your streaming system.

🔧 Key Highlights

• Purpose-Built for Audio The S10 tackles the loss of fidelity in music streaming with a refined integration of linear power supply, ultra-low jitter oscillators, and noise-filtered circuitry. This ensures reduced exogenous noise and enhanced audio purity.

• Independent Port Isolation Featuring 8 RJ45 copper ports, each individually switchable via DIP switches underneath the chassis — this allows unused ports to be shut off, minimizing crosstalk and internal noise. Even the status LEDs can be disabled.

• Fibre-Ready Design Includes 2 SFP optical ports for galvanic isolation and noise-free connection to compatible fiber-streaming equipment.

• Precision Engineering

  • 12 bulk smoothing capacitors (4,700μF x 12)

  • 4 low-noise regulators

  • Same toroidal transformer and AC filter used in COS’s reference DAC, the D10

  • Independent ultra-low jitter oscillators (0.025 ps) for each segment

  • High-grade aluminium chassis to shield against EMI

🧠 The Result?

A quieter background, deeper dimensionality, richer textures, and more dynamic expression from your music. You’ll hear it — especially in subtle ambience, vocal decay, and instrumental layering.

📦 Specifications

“Like uncorking your favorite vintage, the S10 brings out the full bouquet of your music.” – COS Engineering

👉 Contact Begins Acoustic today to schedule a listening session with the COS S10.