Built-in 100V line transformer Power selection switch Brackets included Scratch resistant housing Easy to clean Jellemzõk: 2-way plastic vented box-design 6,25" mica cone rubber edge woofer 13 mm mylar dome tweeter Frequency: 40 Hz - 20 kHz 100V line transformer built-in 16 Ohm/4W/8W/15W/30W Sensitivity: 89 dB Dimensions: (LxWxH) 190 x 215 x 290 mm including mounting/hanging brackets Weight: 4,06 kg