Powerful Bass: This powerful system pumps out thumping, thunderous low-end from its mighty 12-inch woofer for bass you can feel as well as hear. Party Accelerator: simply slide the throttle forward and hear the sound build and build until it peaks with a thunderous Boom and wild light display. Karaoke Creator: get ready to croon along with any tune: This feature suppresses the vocal frequencies of a song, making any track ready to play behind a new lead singer! Party Lighting: This system offers a variety of exciting effects, including dual strobe, and dance lighting that lets the light Pulse to the beat of the music. Delivery within 48hrs