High Max SPL �?At 132dB, this fifteen-inch loudspeaker can provide high volume levels making it an interesting choice for larger gigs. The good news is, some manufacturers also list the envisioned several hours of battery life when used at comprehensive volume and that transparency is appreciated. Bear in mind, https://www.bluetoothspeaker.top/outdoor-waterproof-bluetooth-speaker-high-powered-subwoofer-battery-powered-sound/