Pair of serious Vintage JBL Speakers in Ex. Condition! S38BE Specs: Type: 3-way, magnetically shielded, front-ported bookshelf speaker. Tweeter: 1-inch pure titanium dome with rubber surround and Elliptical Oblate Spheroidal (EOS) waveguide. Midrange: 4-inch PolyPlas (polymer-coated cellulose fiber) cone with rubber surround. Woofer: 8-inch PolyPlas (polymer-coated cellulose fiber) cone with rubber surround. Frequency Response: 45Hz - 20kHz (±3dB). Impedance: 8 ohms. Sensitivity: 89dB. Maximum Recommended Amplifier Power: 175 watts. Crossover Frequencies: 800Hz, 3200Hz. Dimensions: Approximately 17-1/2" W x 11-1/2" H x 13-1/4" D.