Frequency Response -3 dB from 70 Hz to 45 kHz ±0.5 dB from 75 Hz to 18 kHz ±1.0 dB from 72 Hz to 20 kHz; Height 24.2" (61.5 cm); Width 12" (30.5 cm); Depth 5.4" (13.7 cm); Weight 32 lb (14.5 kg) / Shipping weight; Crossover Frequencies Three-way, high-order acoustic response @ 400 Hz and 2.3 kHz; Finishes Piano black or mahogany finish; High Frequency Driver Components 1" (2.5 cm) beryllium tweeter; Nominal Impedance 6 ohms (nominal) 3.4 ohms (minimum); Low Frequency Extension -10 dB at 48 Hz -6; dB at 60 Hz -3 dB at 70 Hz; Low Frequency Driver Components 8" (20 cm) titanium cone woofer; Midfrequency Driver Components 4" (10 cm) titanium cone