You can easily pump a room or even an apartment, but it is important to place the speaker in height and place so that the sound waves propagate correctly. For more than four years it has been standing (always on) as a regular speaker for a PC and charging for an iPhone) I never turn it on louder than 70%, since there is more than enough sound, but even at all 100% it keeps confidently and does not lose quality. I recommend!
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