Tech Specs AUDIO Power: 125 watts per channel at 8 ohms Output: Stereo or dual mono sound EQ: Use the Sonos app to adjust bass, treble, and loudness to optimize sound performance. Trueplay: This software measures the acoustics of the room then fine-tunes your speakers. Supported Sonos Architectural by Sonance speakers and iOS device required. Home Theater Audio Formats: Stereo PCM, Dolby Digital, DTS Digital Surround* (*This is not an indication of a licensed decoder.