2 BOSTON ACOUSTICS CR-7 2-WAY SPEAKERS, 2 BOSTON ACOUSTICS VRS VR SURROUND SPEAKERS, 1 BOSTON ACOUSTICS PV-700 200-WATT POWERED SUBWOOFER & 1 ACOUSTIC RESEARCH PSC-25 CENTER SPEAKER! This a great sounding system. It is nothing but quality through and through. The components are high quality, so the speakers are not light weight though they are bookshelf speakers and the larger VRS surround speakers. Thank you for looking! Frequency response ± 3dB. 52 – 20000 Hz. 25 – 100 W. 19 mm 3/4 in. 165 mm 6.5 in. Dimensions (H x W x D). 311 x 191 x 232 mm / 12.24 x 7.52 x 9.13 in. 5 kg / 11 lbs.