Drivers: two 15cm Pyramid sandwich cone units with 32mm high temperature voice coils. 25mm microfiber soft dome tweeter with neodymium magnet, ferrofluid cooled. Frequency Response: 44Hz to 20kHz (+/-3dB). Nominal Impedance: 8 ohms (min 4.6 Ohms).Dimensions: 973 x 205 x 360 (HxWxD in mm). Cabinet Finishes: Beech, & real wood veneers.