Digital Audio

Optical TOSLINK, coaxial S/PDIF and AES/EBU cables for connecting CD transports, televisions, streamers and DACs.

161 products Award Winning Dealer Since 2013 Free expert consultation

Optical, coaxial or AES/EBU?

All three carry the same digital audio, and the right one is usually decided by the sockets on your equipment. Where you do have a choice, the differences come down to bandwidth, electrical isolation and impedance.

Optical TOSLINK passes light rather than electricity, so it breaks any earth connection between components. That makes it useful for televisions and for systems with a hum problem, at the cost of a bandwidth ceiling that limits it at higher sample rates. Coaxial S/PDIF handles higher rates and keeps a direct electrical link, which usually means better timing but also a shared earth path. AES/EBU on XLR is the balanced professional standard and appears on higher end transports and DACs.

Impedance matters here. Coaxial digital cable is 75 ohm and AES/EBU is 110 ohm, and using a standard analogue interconnect because the plug happens to fit will cause reflections and timing errors. Where your equipment gives you the choice, the practical test is to try both in your system, and the 60-day money-back guarantee makes that straightforward.

4.95/5 from 20,650+ reviews Award Winning Dealer Since 2013 UK Specialist since 2005

12 of 161 products

  • QED

    QED Reference Optical Quartz Cable

    SKU: QED Reference Optical

    (61 reviews)
    From
    £107.50
    Ex. VAT

    QED's Reference Optical Quartz Cable is built with 210 separate Glasscore™ (boro-silicate glass) fibres that produce straighter signal paths, delivering ultra-low jitter signal transfer. The result is a clear, open sound.

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  • QED Performance Toslink Digital Optical Audio Cable Graphite
    ★ Award

    QED

    QED Performance Toslink Digital Optical Audio Cable Graphite

    SKU: QED Performance Optical

    (51 reviews)
    From
    £49.17
    Ex. VAT

    QED's multi-award winning Toslink optical digital audio cable relies on PMMA acrylic glass fibre to carry high frequency signals with ease, designed to minimise light absorption and allow more rays to travel along the cable by reducing the angle of incidence for internal reflection. This cable delivers a nicely balanced sound with full bass and punchy, precise high ends.
     

      
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  • QED

    QED Reference Digital Audio 40 Cable

    SKU: QED Reference Digi 40

    (35 reviews)
    From
    £109.00
    Inc. VAT
    Reference digital audio 40, the new standard for digital coaxial S/PDIF signals.
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  • AudioQuest

    AudioQuest Pearl Digital Optical Cable

    SKU: AQ Pearl Optical

    (23 reviews)
    From
    £29.12
    Ex. VAT
    AudioQuest Pearl Digital Optical cable is constructed with low-dispersion fibers and precision polished fiber ends all contained within a black/gray stripe in-wall rated PVC jacket.
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  • AudioQuest

    AudioQuest Forest Digital Coaxial Audio Cable

    SKU: AQ Forest Digi Audio

    (19 reviews)
    From
    £37.46
    Ex. VAT
    AudioQuest's Forest Digital Coax cables are designed to minimize distortion across an extremely wide bandwidth. For many applications, the speed of digital communication is important.
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  • Chord C-Digital, Digital Coaxial Audio Cable
    SALE

    Chord Company

    Chord C-Digital Digital Coaxial Audio Cable

    SKU: Chord C-Digital

    (18 reviews)
    From
    £67.50 £75.00
    Inc. VAT ✓ Save £7.50
    The Chord C-digital is designed to work with CD players, streaming devices, DVD players and any other component with a digital coaxial output.
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  • QED

    QED Performance Audio 40i Digital Audio Cable - Custom Length

    SKU: Audio 40i Digital Custom

    (17 reviews)
    From
    £18.75
    Ex. VAT

    Building on the success of the award-winning Performance 40, QED's Performance 40i contains two 99.999% OFC conductors of different diameters to accommodate high-frequency audio components and a foamed polyethylene dielectric. The result is remarkably well-defined sound at a very competitive price.

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  • QED

    QED Reference Digital XLR 40 AES/EBU Audio Cable

    SKU: QED XLR 40 AES/EBU

    (15 reviews)
    From
    £109.00
    Inc. VAT
    Reference XLR 40 builds on the multi-award winning audio 40 range of products, now available in digital AES/EBU form.
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  • AudioQuest Carbon Digital Audio Cable
    SALE

    AudioQuest

    AudioQuest Carbon Digital Coaxial Audio Cable

    SKU: AQ Carbon Digi Audio

    (14 reviews)
    From
    £199.17
    Ex. VAT
    AudioQuest's Carbon Digital Coax cables are designed to minimize distortion across an extremely wide bandwidth. For many applications, the speed of digital communication is important.
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  • Atlas Element Toslink Digital Optical Audio Cable
    SALE

    Atlas Cables

    Atlas Element Toslink Digital Optical Audio Cable

    SKU: Atlas Element Optical

    (14 reviews)
    From
    £43.33 £46.67
    Ex. VAT ✓ Save £3.33
    A digital interconnect with a neutral, relaxing sound, proven to be an excellent performance upgrade over ‘freebie’ cables, designed for use with the optical digital sockets typically fitted to CD players/transports and streaming audio devices. Typical usage is to connect, for example, a streaming device such as an Apple Airport Express or Sonos ‘Connect’ to your hifi system.
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  • Van Den Hul

    Van Den Hul Optocoupler MKII Toslink Optical Cable

    SKU: Van Den Hul Optocoupler

    (13 reviews)
    From
    £60.42
    Ex. VAT
    The Optocoupler MK II is a high performance digital optical audio cable capable of delivering sound with superb clarity and depth. Van den Hul's OPTOCOUPLER Mk II forms a perfect high bandwidth, low-loss and low jitter optical connection, able to serve you with a very high sound and/or picture resolution at an unsurpassed definition.
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  • AudioQuest

    AudioQuest Cinnamon Digital Coaxial Audio Cable

    SKU: AQ Cinnamon Digi Audio

    (12 reviews)
    From
    £74.96
    Ex. VAT
    AudioQuest's Cinnamon Digital Coax cables are designed to minimize distortion across an extremely wide bandwidth. For many applications, the speed of digital communication is important.
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Absolutely. Chord’s digital and streaming cables are built with the same performance goals as their analogue range. Options like the C-stream, Shawline Streaming or Epic USB are designed to minimise noise and jitter, allowing your streamer or DAC to operate more efficiently and reveal more of the music. Customers often report tighter bass, clearer imaging and improved timing.

Coaxial S/PDIF uses RCA or BNC connectors with 75-ohm impedance, while AES/EBU is balanced and uses XLR connectors with 110-ohm impedance. AES/EBU typically offers better noise rejection for professional and high-end systems.

Optical TOSLINK cables are ideal for preventing ground loops and electrical interference since they use light transmission. Coaxial cables, however, often deliver a slightly more robust and detailed sound.

Yes, but not in the same way as analogue cables. High-quality digital cables minimise jitter and ensure stable signal transfer, preserving timing accuracy and reducing noise.

Yes. Both coaxial and AES/EBU cables can handle 24-bit/192kHz audio, while optical cables may be limited to 24-bit/96kHz depending on the device.

Using a true 75-ohm coaxial digital cable maintains impedance consistency and reduces signal reflections that can introduce jitter and distortion.

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