This was posted 1 year 10 months 14 days ago, and might be an out-dated deal.

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Fosi Audio K5 Pro Gaming DAC Headphone Amplifier $76.99 Delivered @ fosiaudio-factory-store eBay

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This DAC-AMP combo also has a microphone input which is hard to come across, especially for such a low price. If you don't need that there might be better options out there, but otherwise I think you'll be hard-pressed to find a better deal on a DAC-AMP combo with that has a microphone input.

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  • Not a bad price, but if I was going to buy something like this, I'd want one that can control individual app volumes too.

    • i would recommend the program voicemeeter if you want that kind of functionality.

      • +1

        Adds lag, no good for online FPS.

        • i run all my audio through it and the latency is unnoticable to me

          • @skysailz: To you, yes. It can be from 10ms > Sky's the limit depending on compatibility issues etc etc. For many people, that may be fine. I've seen quite a few installations now that have introduced noticeable lag. Particularly streamers where the lip sync issue becomes obvious.

            Hard to argue with trying out a free product though.

        • I’ll take 2-10ms lag from a USB Dac over 30-100ms lag for a wireless headset with a 2.4Ghz dongle every day.

      • +1

        Thanks, but I just use Windows Volume Mixer app. I also use a Loupedeck for controlling app volumes.

    • Hi, what do you mean by "control individual app volumes"?

      • I.e. control Spotify, Discord and a game volume all individually, like you can using Windows Volume Mixer or something like a Loupedeck

  • I hope this one doesn't spark when being plugged in (seems dodgy af) like their older dac.

    • 😳

    • -1

      (fosi audio dac-q4)

    • What a bonus, it doubles as a fire starter!

    • +1

      These are powered via USB, there's no internal power supply, so there's nothing there that can generate more than a 5v spark.
      Besides ESD, which is normal and largely unavoidable, I would point the finger at the USB adapter, other powered connected devices (e.g. PC) and/or your house wiring having poor grounding.

      • I would point the finger at the USB adapter

        Almost certainly the power adaptor, I'm yet to see one with a ground pin.

        Without a ground pin on the mains plug, the 5V and ground outputs can be quite a long way from mains earth. I got a nip the other day from a phone charger, when I was touching something earthed with one hand, and my elbow brushed against a lightning cable connected to the phone charger. I measured 90V between the lightning connector's "paddle" and mains earth!

        To avoid such sparks, connect everything to the amp with the charger/power supply unplugged. Once everything is connected, then plug in the charger and turn the mains on.

  • Does this pop/bang?
    Does it have auto on/off?

    • I don't know what the former is, but a no to the latter.

  • has a microphone input which is hard to come across, especially for such a low price.

    Didn't seem that hard, any number of USB sound cards have a mic input and an amplifier for headphones, e.g. $29 Creative Sound Blaster PLAY! 3 USB Sound Card at Computer Alliance.

    Is there something I'm missing here?

  • +1

    I have one of their amps for speakers, not sure id get a headphone one, too many possible audio issues (eg hum or imbalance) which is mote noticeable at low level.

    • -1

      I could not find any mention of that in reviews of this product so I don't think it's a problem here. Are you sure the amp was the problem and not something else (e.g. user error)?

      • +1

        Im not sure what you mean, channel imbalance at low levels and hum are common with cheaper ranges of headphone amps. Ive owned half a dozen, they all operate a bit different wirh different chips sets.

  • Where is the bargain here? Seems to be the same price from all options. Nearly all external sound cards have a mic-in option as most users would be gamers wearing headsets needing both.
    To me, this just sounds like advertising

    • Send me a link to a cheaper offering of the same product, would gladly take it at a cheaper price. I bought this for the optical input, most don't come with that (unless you get some unknown brand which is a gamble)

      • Jas a few listed in "other sponsered results" on the ebay page. Some are more but there are those at the same/similar price

      • +1
        • -5

          Yes, you should neg the deal so people know. $3 cheaper, I will never financially recover from this.

          • +5

            @s1Lence: Your response is oddly hostile. I have no intention of negging, despite your childish goading.

            • @Aleigh123: If it seems hostile it is only because you perceive it as such. I literally upvoted your comment. If a bargain is cheaper elsewhere you are meant to neg it, I cannot do so which is why I asked you to. I reported it myself anyway so maybe it can be replaced with your link, idk how it works.

              • @s1Lence: My bad. I have issues with differentiating between sarcasm and jokes on the internet.

  • At 300 ohms this thing can even drive a pair of HD6xx's.

    • -2

      I drive my pair perfectly fine off the motherboard audio out

    • If an amplifier can drive low-impedance headphones, it can drive higher-impedance headphones like your 300-ohm ones. There's no impedance matching required.

      The problem is that it doesn't have enough voltage to drive high-impedance headphones at good volume, which is shown by the 80mW output power quoted at 300 ohms. Compare that to the 500mW output power quoted for more-common 32-ohm headphones.

  • Protip: "gaming" DACs, "gaming" headphones, etc, are just low end audiophile products at double the price.

    • Is there a good DAC/AMP with the same feature set for half the price of this? My personal setup is all studio equipment so I am aware that most "gaming" marketed stuff is worse but that isn't always the case.

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