Fosi Audio BT20A Pro Bluetooth Hifi Amplifier $109.99 Delivered @ Fosi Audio Amazon AU

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Fosi Audio BT20A Pro Bluetooth Hifi Amplifier $109.99 Delivered @ Fosi Audio Amazon AUAffiliate
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PJackson Levi on 19/03/2025 - 19:51 amazon.com.au (1004 clicks)
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Found the Fosi Audio BT20A Pro Bluetooth HiFi Amplifier for $109.99 with free delivery on Amazon AU. Thought I'd share this deal for anyone looking for a solid amp.

  • Audio Precision: The BT20A Pro, powered by the TI TPA3255 chip, delivers 2x300W with SNR ≥108dB and THD ≤0.005% for superior sound clarity.
  • Interchangeable Op-Amps: Swap the included NE5532 Op-Amps for options like LME49720HA or MUSES02 to personalize your sound.
  • Stable Bluetooth 5.0: Enjoy high-quality wireless audio with upgraded Bluetooth 5.0 connectivity.
Price History at C CamelCamelCamel.
This is part of Amazon Big Smile Sale for 2025
Electrical & Electronics Amplifier Big Smile Sale Bluetooth Amplifier Fosi Audio

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Comments

  • WhyAmICommenting on 19/03/2025 - 19:57

    2x 300 what?? sounds like a lot!

    • Jackson Levi on 19/03/2025 - 20:08
      -1

      I think it means each channel can theoretically output up to 300 watts of power to each speaker.

      • caitsith01 on 19/03/2025 - 20:19
        +4

        That number is very hard to believe.

        Looks like it's more like 40W into 8ohms in realistic usage scenarios which is a lot more plausible:

        https://www.audiosciencereview.com/forum/index.php?threads/f…

        • automated on 19/03/2025 - 22:02
          +3

          The included power supply is 160 watts, 2 x 300 watts is impossible.

      • WhyAmICommenting on 20/03/2025 - 14:07
        +1

        Maybe the old “peak music output” meaningless drivel. Not saying it’s a bad product but that claim is laughable.

        • bamzero on 20/03/2025 - 16:25

          It varies with power supply and speakers. To get close you need the 48V PSU driving 4ohm speakers.

          Though even their own power chart only shows 259W.

    • Tamagotchi Breeder on 20/03/2025 - 10:13
      +2

      These are Chi-Fi watts, so take all their claims with a grain of salt.

      Chinese Hi-Fi manufacturers always overstate their figures. They are never honest watt figures and usually sound quality falls apart at higher volumes too, just my personal experience with other Chi-Fi amps (I don't own this model fosi).

  • donquay on 19/03/2025 - 20:14
    +6

    Bought this for $129 in May 2024. A great unit that can power large speakers and sub. Bluetooth connection is seamless. And the manual bass / treble control helps give streaming audio more (insert appropriate wanky audiophile descriptions). I dont Bluetooth connect it to the TV or media player for video so i cant speak to any lag issues…. but the RCA connection has no issues.

    • naphman on 19/03/2025 - 20:35

      I agree - I bought mine for the patio speakers - bose ceiling freespace 40s - and its bloody fantastic for them!

      • zonbie on 19/03/2025 - 21:20
        +1

        Yeah, I agree. It's a good unit. I drive a pair of old school speakers in my shed and use the pre-out to drive another Fosi driving another set of Energy speakers. Good value clean little amp.

    • Borg on 19/03/2025 - 23:11
      +2

      I do use with Google Chromecast with GTV and can confirm no lag issues with bluetooth.
      My biggest grip with these are
      - No BT security so if no device is currently connected, then anyone could connect, neighbors and all.
      - No remote control included or capability.unless using BT app which can be controlled via connected device.
      - They run warm even when idle consume 7w power.

      Strange as when blasting out music on Krix Bookshelf speakers barely consume more than 9w. Amazing as a fair bit of grunt. I can even run them off a 20000 mAh 18v/24v capable powerbank for 10 hours and only use up 20% capacity. I'd have never expected that. Handy as can take speakers on stands out to garden and use via powerbank if no power source nearby.

      Great units. I purchased with the 48v power supply. By default comes with 32v. FWIW, Gives a little more warmth/boost with extra power but doubt most would notice unless important to you?

      Powerbank used = Older Comsol LP200 which has Laptop Output: DC 12-24V (65W Max). Works well

    • foursaken on 20/03/2025 - 09:44

      Also agree - have it driving some Polk Signature S20's and it copes effortlessly. BT is great. Would buy again in a heartbeat.

  • bcYield on 19/03/2025 - 20:30
    +1

    $65 last time and I didn't pull my trigger in time :(

  • t_c on 19/03/2025 - 20:34

    Shows as $79 for me

  • dynaflow on 19/03/2025 - 20:34

    I also find it hard to believe that this unit can "power large speakers and sub"
    How many watts per channel RMS is this? As if it's actually only 40watts per channel into 8ohms. it's not enough at my place.
    P.S.why did I waste my money buying an Audiolab 6000A Amplifier….lol

    • websterp on 19/03/2025 - 20:59

      It only has output for 2 channels (L & R) so I'm also wondering where does this "sub" connect to?

      • MonkeyCoder on 19/03/2025 - 21:11
        +2

        AV receivers usually has a sub preout, you can use this amp to power your passive sub.

  • djackal79 on 19/03/2025 - 21:11
    +2

    I love my fosi v3 and v3 monos. Drive my B&W pm1s beautifully. Different products but fosi make great gear

    • Hornpub on 20/03/2025 - 02:33

      literally just got the v3 to replace my aiyimaT9, driving KEF Q150, love it.

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