Free Express Shipping! Klipsch Reference R-40M Bookshelf Speakers (Pair) Two-Way Speaker Design, 1" Aluminum LTS Tweeter, 90 x 90° Hybrid Tractrix Horn, 4" Spun-Copper TCP Woofer, 50W Continuous Power Handling, 8-Ohm Impedance, 71 Hz to 21 kHz...