The 100v4 is the top of the Studio line and offers full-range sound with bass down to 28 Hz and a sensitivity of 91 dB. A five-driver three-way design with a one-inch Beryllium upgraded tweeter, formerly only found in Paradigms Signature speakers. The Beryllium tweeter Upgrade ensures a more detailed and crystal clear sound experience, making it a great addition to any home audio setup. Ideal for enhancing your TV, video, or music listening experience. Additional components of these speakers include a seven-inch S-PAL midrange and three seven-inch woofers to handle all the low end, the Studio 100v4 is a large speaker at 44 inches tall, 17 inches deep and over eight inches wide. All the drivers are encased in heavy gauge frames and the cabinet is built rock-solidly to minimize cabinet distortion. The back and sides of the speaker can be had in cherry, black or rosenut finish and the two sets of gold-plated binding posts allow for bi-wiring. A front port finishes off the speaker, which sits atop four extending feet that can have either rubber posts or spikes, depending on your desires and flooring.