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FIBBR 8K Fiber Optic 48Gbps HDMI 2.1 Cable - 1m $13.29, 7.5m $28.29 + Delivery ($0 Prime/$59 Spend) @ FIBBR AU via Amazon AU

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Price History at C CamelCamelCamel.

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  • +4

    17% 1 star reviews isn't promising.

    • +1

      Yeah reviews are quite off-putting, even if you account for fibre cables being flimsy

    • 74%, 4 - 5 stars.

      • Yeah but it's Amazon. Their reviews are all crap. Any fake brand has fake reviews. There are literally guides on the internet to fake reviews, hijacking listings, etc.

  • +1

    Been using 2 of these for years and they’re still going strong!

  • +2

    Bought one - did not work.

  • +13

    With fibre HDMI cables and with "boosted" HDMI cables, a lot of people don't read the instructions, and assume the cable can be plugged in "either way around", like ordinary HDMI cables.

    This assumption is incorrect. One plug is the "input" plug (for connection to the signal source), and the other is the "output" plug (for connection to the display). This isn't particularly well marked on this cable, it looks like the plug with "2" (and a tiny triangle) is the output plug. The photos don't show if there's a "1" on the input connector.

    Years ago I was called in to debug why a brand-new cable wasn't working, after it had been installed in the walls and ceiling of a house. You guessed it, it wasn't clearly marked that it was a directional cable, and the installer had installed it the wrong way around. Don't make the same mistake!

    • Slightly off topic but I have an issue with my set up and this cable may help with it.

      I have the coax antenna cable, hdmi and optical cable running through the wall. Hdmi and optical go to a yamaha amp. If the amp is on then most TV channels won't work.

      Would this cable fix any interference? I don't imagine the optical cable is emitting any

      • Would this cable fix any interference?

        It all depends upon what is causing the interference. To narrow it down:

        • Disconnect everything from each other
        • Reconnect one thing at a time, and check for interference. Start with Amp to TV.
        • When you find something that causes interference, leave it disconnected and continue checking everything else as you reconnect it.

        Report back with your findings.

  • +1

    OP, you should add that you have to use the "Buy More, Save More
    Save 50% each on Qualifying Items offered by FIBBR AU when you purchase 1 or more. T&Cs Apply" promotion to get the prices you've listed.

  • +4

    Overkill for short distances. If your source and display are close together (say, under ~5-10 metres depending on requirements), a good copper HDMI cable will do just fine and at much lower cost. You likely won’t see much difference.

    • I agree. Amazon Basic's shortest version is 9.3m long.
      I personally wouldn't buy a cable with this technology for a run <=10m.

      • I believe HDMI 2.1 full bandwidth is limited to around 3m in copper cable.

    • Unless you just want an ultra thin cable, which is why I went for them.

      Also been using them for years with zero issues.

    • Yes, another thing to consider is that copper will last indefinitely however this fiber tech means there are electronics at both ends which could fail at any time.

      • copper will last indefinitely

        No it won't. HDMI cables have solid-core (not stranded) copper wires, which will snap after being flexed a number of times. As long cables like the 7.5m one are frequently used to connect a laptop to a screen in business meetings, solid-core copper wires are a negative here.

        If you're never moving or unplugging the cable, only then are copper HDMI cables better.

        I went through quite a few failed HDMI cables before I cut one open to see why they failed. You can buy better-quality copper HDMI cables, these are invariably much thicker, to prevent sharp bends of the inner wires, which makes them last longer. But they still don't last forever.

        • +1

          I was more referring to a cable in a wall for example if left untouched, the copper would be better for that, whereas one tiny component of the electronics in the fiber cable could fail and it would be useless.

          But yes good point about copper cables breaking if are moved around often, although the quality ones seem to last pretty well. Wouldn't the fiber optic cables be also fragile for that use case though?

          I just checked and apparently the majority of HDMI cables are stranded not solid core.

          • +1

            @tin tin:

            apparently the majority of HDMI cables are stranded not solid core

            Not so. What you're reading may be confusing the number of wires in the cable (19 including shields) with "strands".

            At high frequencies, stranded wire has considerably higher attenuation than solid core wire. Which is also why Ethernet cables are almost always solid core except for short patch cables (you can use stranded cables for an entire short link, but it's uncommon). The higher the frequency, the worse the attenuation. Ethernet tries to reduce the frequency by using tricks like PAM-5 modulation, which uses multiple voltage levels to transmit more data at a lower frequency.

            HDMI doesn't use multiple voltage levels, and transmits data at a way higher rate (up to 96Gbps for HDMI 2.2), so the frequency of the signals is much much higher than gigabit ethernet. So the attenuation would be much much worse if stranded cable was used, and that's why it isn't used.

            one tiny component of the electronics in the fiber cable could fail and it would be useless.

            I design electronics for a living, and there are some components that wear out, but most don't. In the electronic devices you've seen, electrolytic capacitors have a rated life, and are usually what causes consumer electronics devices to wear out. Electrostatic discharge and mains surges can also damage poorly-designed devices, but that wouldn't apply to any electronics inside a HDMI connector - it's not connected to mains, and the metal shield around the HDMI pins makes electrostatic discharge almost impossible.

            What will wear out in this device is the laser that generates the light travelling down the fibre. Semiconductor lasers all gradually get dimmer with time, and they have an included circuit to sense their output light and compensate for this dimming - until it gets so dim that the circuit can't compensate any more. This is why CD/DVD/BluRay players work well for so long, and then suddenly start degrading when the compensation circuit maxes out.

          • +1

            @tin tin: In reply to your other question

            Wouldn't the fiber optic cables be also fragile for that use case though?

            Glass optical fibre is weird stuff, it doesn't behave like you'd expect from something made from glass. It's flexible, somewhat like fishing line, although fishing line is much thicker. And there's a possibility the fibre is made of plastic, as 7.5m is very "short" by fibre standards (some glass fibres are over 1000km long). The attenuation will be higher with plastic, but it's manageable.

            Assuming it's a glass fibre, this page says for a fibre with 125um outside diameter, the minimum bend radius is 4mm. The sheathing around the cable is usually made stiff enough that you'd have to use force to bend the fibre more sharply than that.

  • Why such a difference in length?

  • Would this be an improvement over the HDMI cables that comes with PS5?

    • +1

      If you're not having problems with your existing cable, this one won't give you any advantage.

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