The volume depends on the source. For example, from the phone, I'm afraid to put it louder than 40% - it's a pity for the neighbors. But with xiaomi telly - the sound is quieter. 35-50% is normal, not loud. (tested both options) With its pros. Enough for a room of 20 meters. (with a margin) You can reduce the sound of the sub (average the frequencies in fact, but the result is less volume (sometimes necessary)) The sound quality is always good (more than 50% volume did not turn on) Got cons…