Acoustic Sound Design offers a pair of BIC Acoustech PL-76 Floorstanding Speakers in Black for $429. Coupon code "bictower" cuts it to $279. With free shipping, that's the lowest total price we could find by $20. Each speaker features a frequency response of 30Hz to 23kHz, two 6.5" poly-injected woofers, and one 6.5" mid/high frequency aluminum dome horn.