DESC: Enjoy lively music with the high-performance 32-Bit 150 MHz DSP audio engine in the Vizio VSB200 speakers. Track the smallest musical nuance with the 60 Hz 20 kHz frequency response of these Vizio main speakers. Listen to every beat with perfection thanks to the 102 dB dynamic range of these Vizio stereo speakers. The SRS Definition feature in these Vizio main speakers provides sparkling details that bring lost background information to life. Moreover, the SRS TruVolume feature of these Vizio stereo speakers eliminates undesirable channel to channel volume variances and the sudden increase in volume when commercials come on. The Vizio VSB200 speakers come with an SRS Dialog Clarity feature that provides an enhanced vocal intelligibility.