Yamaha PianoCraft C730. RMS rated power: 60 W, Frequency response: 55 - 20000 Hz, Signal-to-Noise Ratio (SNR): 100 dB. Number of loudspeakers: 2 pcs, Woofer size: 110 mm, Tweeter size: 25 mm. Supported radio bands: FM, AM, Tuner type: Digital. Disc types supported: CD, CD-R, CD-RW, DVD. Weight: 2900 g