Enjoy your music and other audio sources with enhanced high-end with your amplifier and this pair of matte black Bowers & Wilkins 606 Anniversary Edition 2-Way Bookshelf Speakers. They feature a 52 Hz to 28 kHz frequency response with 6.5" Continuum cone mid-woofers and 0.98" aluminum decoupled double dome tweeters to emphasize the treble in your audio. The Flowport bass port is designed to augment the bass. The 606 Anniversary Edition speakers each have two pairs of binding posts, allowing you to bi-amp or bi-wire them.