Sonos Bundle 250. Display: LCD, Display diagonal: 88.9 mm (3.5 "), Display resolution: 640 x 480 pixels. Audio formats supported: MP3, WMA, AAC, WAV, OGG, Image formats supported: JPG, PNG, GIF. RMS rated power: 110 W, Impedance: 8 Ом, Total Harmonic Distortion (THD): 0.02 %. Weight: 2.3 kg, Depth: 207 mm, Height: 89 mm. Bundled software: SonosNet 2.0