Digital

USB, ethernet, optical, coaxial and AES/EBU cables for streaming and digital audio. The connections between computers, servers, streamers and DACs.

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Digital cable, and why it is not only data

A digital cable either delivers the data or it does not, but that is only half the story. Timing errors and electrical noise travel along the cable alongside the signal and arrive at the DAC, where both affect what comes out of the analogue stage. This is why digital cables can sound different from one another despite carrying identical data.

Choose by connection first. USB is the most common link from a computer or streamer to a DAC. Ethernet carries network audio and is the fastest growing area in digital hi-fi. Optical isolates two components electrically, which helps where noise is a problem, but has bandwidth limits at high sample rates. Coaxial S/PDIF generally handles higher rates and keeps a direct electrical connection. AES/EBU on XLR is the professional standard and appears on higher end transports and DACs.

Impedance is not optional on coaxial and AES/EBU, at 75 ohm and 110 ohm respectively, so a standard interconnect is not a substitute even though the plugs fit. Tell us the source, the DAC and the sample rates involved and we will tell you which connection to use.

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459 of 459 products

  • Waversa Systems WLAN EXT 1
    SALE

    Waversa Systems

    Waversa Systems WLAN EXT1 LAN Isolator - Special Offer

    SKU: WLAN EXT-1

    (1 reviews)
    £629.95 £900.00
    Inc. VAT ✓ Save £270.05

    The Waversa Systems WLAN EXT1 LAN Isolator offers a cutting-edge solution to the pervasive problem of noise interference in digital audio systems. Designed to combat EMI, RFI, and impulse noise, this Level 1 performance device features patented passive filter technology housed within a high-grade nickel chassis.

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  • Furutech

    Furutech Project V1-D Digital Coaxial Audio Cable

    SKU: Project V1-D

    £2,329.17
    Ex. VAT
    Discover enhanced audio clarity with the Furutech Project V1-D digital interconnect cable. Featuring α(Alpha) silver-coated OCC conductors, Nano Crystal² Formula (NCF) technology, and advanced multi-layer shielding, this cable ensures pristine signal purity and improved noise reduction.
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  • Shunyata

    Shunyata Research Theta AES/EBU Digital Audio Cable - 1m

    SKU: THT-AES-100

    £500.00
    Ex. VAT

    The Shunyata Research Theta AES/EBU Digital Audio Cable features advanced technology including Ohno copper conductors, fluorocarbon dielectrics, and proprietary Kinetic Phase Inversion Process (KPIPv2TM), resulting in unparalleled signal resolution and sound quality. Its custom-designed connectors and cold-soldered terminals elevate performance, providing a coherent, noise-free listening experience with explosive dynamics and pitch-perfect frequency extension, even when compared to more expensive cables.

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For noise isolation, yes. While Ethernet transmits data efficiently, it can carry noise. Fibre breaks the electrical path, reducing interference.

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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