Indoor Column Speaker Specifications :   MODEL LM-210 LM-220 LM-230 Power at 100V 5/10W 10/20W 15/30W Power at 70V 2.5/5W 5/10W 7.5/15W SPL (1W/1M) 90dB 90dB 92dB Max SPL@1M 100dB 102dB 104dB Freq.Response 160Hz-16KHz 160Hz-16KHz 130Hz-18KHz Dispersion 90?100 degree 90?110 degree 90?110 degree Product Size 260x105x75mm 405x105x75mm 548x105x75mm Installation Wall Mounted Wall Mounted Wall Mounted Enclosure Material Aluminum Aluminum Aluminum Weight 1.30kg 2.00kg 2.70kg Finish White White White Speakers 2.5?x2 Full range 2.5?x4 Full range 2.5?x6 Full range