# QED Reference Optical Quartz Audio Cable

The QED Reference Optical Quartz Digital Audio Cable is a premium Toslink cable designed to deliver precise digital audio between components such as TVs, CD players, DACs, Blu-ray players and AV receivers.

Using advanced Glasscore™ technology, the cable contains over 210 ultra-fine boro-silicate glass fibres that guide the light signal more accurately than conventional plastic optical cables, helping reduce timing errors and maintain cleaner digital signal transmission.

This high-performance construction provides bandwidth exceeding 150 MHz with ultra-low jitter and extremely low signal loss, ensuring accurate transfer of high-resolution digital audio signals.

The flexible fibre bundle and precision Toslink connectors make the cable easy to install while maintaining reliable, high-quality performance in hi-fi and home cinema systems.

## Details

- **Price:** 109.95 GBP - 199.95 GBP
- **Vendor:** QED
- **Type:** Cables
- **Tags:** BLACK5

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| 0.6M | 109.95 GBP | In stock |
| 1M | 119.95 GBP | In stock |
| 2M | 149.95 GBP | In stock |
| 3M | 199.95 GBP | In stock |

## Images

- QED Reference Optical Quartz Audio Cable - K&B Audio

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> Source: [K&B Audio](https://www.kbaudio.co.uk/products/qed-reference-optical-quartz-audio-cable)
> Updated: 2026-04-29