A equilibrium of power and portability, the L1 Pro16 portable line array is a streamlined system with high output and prolonged very low frequency range. With a sixteen-driver articulated J-shape line array, the L1 Pro16 delivers 180-degree horizontal sound coverage, great for small-to-medium sized clubs, bars, and other venues. https://www.bluetoothspeaker.top/portable-mp3-bluetooth-speaker-outdoor-portable-subwoofer-stereo-wireless-speakers/