Pair of Acoustic Research TSW-410 speakers. 3-way with 8″ woofers and 6.5″ mid-woofers. All serviced with new foam surrounds. 24.5″ tall, 12.4″ wide, and 11.8″ deep on the bottom tapering to 10.4″ deep on top. Please browse through the images and video for overall condition. Thank you for looking. Specs for the internet. Nominal Impedance: 4 Ohm. Frequency Response: 46 – 40.000 Hz -3dB. Crossover Frequency: 450/3800 Hz. Dimensions (W x H x D): 32 x 63 x 23 cm.