D-M37 Micro Hi-Fi System 30 Watts per channel x 2 Channels stereo CD player features precision Burr-Brown audiophile quality DACs CD-R, CDR-W compatible; MP3 and WMA tracks playback capability Matching European engineered loudspeakers use a 2-way design with one 120mm long-throw D.D.L double-layered cone woofer and one 25mm soft dome tweeter with extended (45 kHz) response