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Fosi Audio BT20A Bluetooth Amplifier For Passive Speakers US$67.49 (~A$93.62) & Free Delivery @ Fosi Audio


Fosi Audio BT20A Bluetooth 5.0 Amplifier 2 Channel Stereo Amp Receiver Class D Amplifier for Home Audio System

Advanced circuitry design, built-in speakers protection circuit, best for bookshelf/computer/desktop/speakers in your home;

Small simple compact design but practical and powerful, Hi-Fi Bluetooth amplifier exclusively designed for the customers who pursue HiFi sound;

Bluetooth 5.0 core, up to 33ft connection range guarantees low signal delay. No pop, no audible noise when Bluetooth connection is established;

Home integrated digital amplifier, 18-month warranty, you can return the item if you have any problems;

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closed Comments

  • +8

    Cheaper on Amazon

    • -2

      Thank you for your feedback, will give a big sale next time

  • I think I paid $30 for a case less 2.1 TPA3116 unit… not sure how much better this might be but mine is does amazing.. powers a pair of yamaha floor standing towers

    • did you get a amplifier board?

      • Yeah… I’m blown away by the TPA3116.
        Mines labelled XH-A305, doesn’t have a nice case or antenna.

        • yes, that's much cheaper, we have such boards too, such as fosi audio ZK-502T

  • -1

    Got one of these, only crap thing about it is that it doesn't have a usb-c out to charge my mobile.

    • interesting, I will refect your needs to our development department

    • There's amps that do?

      • I don't know such amps

      • I imagine leaving my phone next to the amp and it gets charged, instead of drained.

        Whether that be via usb-c or wireless charging it would make logical sense and be a huge point of difference. I'd pay for it!

        • thank you for your advice, we will assess your needs

  • Any good for powering two outdoor speakers? For instance these ones are 8Ohm 5W-100W (https://www.ozbargain.com.au/node/673284)

    Specs from Fosi Audio website:
    100W Max X 2(4 ohms, 20 Hz - 20 kHz, 0.04% THD), comes with a 24V power supply, can drive 280watts(8 ohms), 320watts(4 ohms) speakers, (For passive speakers only, not the powered speakers.)

    So seems it should work?

    • yes, the terminating impedance of BT20A is 2~8Ohm, and it is about [email protected], so it can be used for your 5~100w 8Ohm speakers

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