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I'm looking for speaker without battery. I mean I need a speaker whose power can be supplied by raspberry pi zero w.

I think I can use USB 2.0 simple speaker. I can cut its usb cable and connect its 5V cable to Raspberry's 5V pin and its ground to ground. Is it possible? enter image description here

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Moreover, jack input is not available for pi zero w as you know. So, I will use HDMI to VGA's audio output as seen the below picture. I don't want to use bluetooth option.

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Sure. Look at ReSpeaker modules https://respeaker.io

You can just plug the GPIO and the speaker through the JST-2.0 interface. You can also connect MICS depending on hardware revision

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    :)) engineering is to do best with what you've got, not to have best doodads.. Evidently it is really expensive for a simple student
    – Soner from The Ottoman Empire
    Aug 13, 2018 at 10:17
  • If you want to power a simple speaker to the RPI you can do it without problem if the speaker got powered on 3.3V or 5V. A simple woofer is enough if you want to build also the cable ;)
    – MadPapo
    Aug 13, 2018 at 10:37
  • Another option is to use the GPIO Pin as Audio Out on RPI, connecting the buzzer directly to GPIO, no HDMI to 3.5mm Jack needed
    – MadPapo
    Aug 13, 2018 at 10:38
  • can I supply power with 3.3V and 5V pins? Is there any speaker to use like that? I mean jack is from hdmi-vga converter, power from pins??
    – Soner from The Ottoman Empire
    Aug 13, 2018 at 10:40
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    Let us continue this discussion in chat.
    – MadPapo
    Aug 13, 2018 at 12:24

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