Sony MHCEC909iP Mini Hi-Fi Shelf System (Discontinued by Manufacturer) Powerful 540-watt (RMS) music system Two-way bass reflex speaker system with separate 7.9 inch dedicated subwoofer Charge, play and control your iPod or iPhone Single-disc CD Player plays CDs and CD-R/RW recorded in audio or MP3 file formats Audio-in lets you easily connect MP3 players, PCs or other devices.