A powerful bookshelf loudspeaker that is capable of delivering extreme performance, with lifelike details provided by a lightning-fast Folded Motion XT tweeter, the bold dynamic range of a 6.5-inch aluminum cone woofer with a rear-firing bass port, and a proprietary Vojtko crossover network. XT stands for extreme: lifelike details from the lightning-fast Folded Motion XT tweeter, open and authentic midrange performance, coupled with deep, musical bass response. These classic performance technologies have been enhanced by the slightest of modifications, including the drive-stabilizing dust cap design and stiffened motor suspension. The speaker’s enclosure sports a reinforced baffle and a fabric grille. Available in three stylish finishes: gloss black, matte white, and red walnut. Frequency Response 50–25,000 Hz ±3dB Recommended Amplifier Power 20—250 watts per channel Horizontal Dispersion 80° Vertical Dispersion 30° Sensitivity 92 dB/2.83 volts/meter Impedance 4 Ohms Compatible with 4, 6, or 8 Ohm rated amplifiers. Crossover Frequency 2,200 Hz High Frequency Transducer 1.25" × 2.4" (3.2cm × 6.1cm) Folded Motion XT Transducer with 4.5" x 2.75" (11.4cm × 7cm) diaphragm Low Frequency Transducer 6.5” (16.5cm) aluminum cone with cast polymer basket. Non-resonant asymmetrical chamber format. Rigid structured dust cap to reduce cone break-up modes. Components Custom air core coil and low DCR steel laminate inductors. Polypropylene film capacitors in series and low DF electrolytic capacitors in parallel. Tweeter thermal/current protection. Inputs Custom 5-way tool-less binding posts Weight 18.5 lbs. (8.4 kg) Dimensions 13.5" x 7.6" x 11.8 " (34.3cm x 19.2cm x 30cm)