I know Bose includes a reputation of staying a fraud / poser by audiophiles, however it's an excellent product for what it is actually. Quick summary: Passive speakers need an external amplifier and crossover �?additional control, yes, but also a lot more equipment, a lot more setup, and a https://www.bluetoothspeaker.top/waterproof-tws-rgb-subwoof-speaker-portable-bluetooth-speaker/