Alto Professional TS Sub active subwooferIntroducing the Alto Professional TS Sub active subwoofer With 2500W of thunderous bass and a high efficiency Class D amplifier, the powerful Alto Professional subwoofer is built to give the best sound performance whenever you need it. The TS delivers a tonal balance of high, mid and punchy low end frequencies, giving you a full listening experience. Whether youre playing at a night club, concert school hall or even a house of worship, it will bring