Top features: - Adds huge bass to your sound bar, sound stage, Hi-Fi or home theatre system - Powerful, super accurate low frequencies courtesy of Yamaha Active Servo Technology II - Enhanced atmosphere with a Twisted Flare Port that focuses bass response Adds huge bassEnhance the bass from your sound bar, soundstage, Hi-Fi or home cinema system with the Yamaha NSSW050 Active Subwoofer. It works with any device features a subwoofer out connection.With 100 W of power, the sub adds incredible weight and definition to your movies, music and games. Feel the impact of huge action set pieces, experience the power of basslines and drumbeats, and get lost in the exhilaration of your favourite gaming titles.Yamaha Active Servo Technology IIEnjoy focused, stable bass with Yamaha Active Servo Technology II. It ensures that every sound is clear and accurate, minimising distortion and enhancing your entertainment.Twisted Flare PortWhatever you're watching - whether it's a concert DVD or epic film - the NSS W050 Subwoofer creates a purer listening experience. Its Twisted Flare Port ensures that air leaves the speaker smoothly, resulting in richer bass tones and more realistic viewing for you.