MULTIMEDIA SPEAKERS Z333 Loud deep clear sound 80-watts peak power Loud deep clear sound for your music movies and games. Z333 delivers 80W peak power and 40W RMS sustained power. Deep intense bass Experience intense bass with the large 5-inch front-firing driver.A lot of power and a large driver are required to accurately reproduce and make you feel the low-end frequencies. By directing the low frequencies to this dedicated subwoofer it provides the most optimum listening experience and allows you to hear the bass as it was recorded. Convenient controls Place the control pod where you can easily access the power and volume controls. Listen in private using the headphone jack. Adjustable bass Bass level is a matter of taste. The separate volume control lets you adjust the level of low-end produced by the subwoofer without changing the volume of the satellite speakers. You can optimize the level of bass to your personal preference.You can also use the independent volume control for proximity compensation. If your subwoofer is located under a desk or in a more-enclosed area you may want to adjust the bass level to appropriately tune and balance the system in that specific environment.