JBL S38 speakers. Good as new condition, rarely used Maximum Recommended Amplifier Power 175 Watts Impedance 8 Ohms Sensitivity (2.83V @ 1m) 89dB Frequency Response (-3dB) 45Hz - 20kHz Crossover Frequency(ies) 800Hz, 3200Hz High-Frequency Driver 1" Pure-titanium dome with EOS™ waveguide Midrange Driver 4" PolyPlas™ cone Low-Frequency Driver 8" PolyPlas™ cone Dimensions (H x W x D) In Horizontal Configuration: 11-1/2" x 17-1/2" x 11-3/4" (292mm x 445mm x 298mm) Weight 28 lb (12.7kg)