D15 Tower Speaker - Spacious Expansive SoundDemand Series D15 loudspeakers deliver smooth high-frequency reproduction, formidable lows, and room-filling three-dimensional imaging for expansive audio. Full-Range, Room-Filling Sound: 3-Way Configuration and Audiophile-quality Crossovers High-Frequency Performance: Laterally Offset Tweeters for a Precise Soundstage Superior Midrange and Punchier Bass: Balanced Double Surround System and 6.5" Mid/Bass WoofersRoom-filling Sonic PerformanceLose Yourself In SoundThe D15 tower speaker features an exclusive 3-way driver configuration with a 1" annealed aluminum dome tweeter, a 5.25" BDSS midrange woofer, and dual 5.25" carbon fiber bass drivers, complemented by dual 8" side-firing passive radiators, for a full-range, room-filling sonic performance.Proprietary Drivers detailed, balanced audioDefinitive Technology designed the drivers in the Demand Series to deliver a perfectly balanced, precise, musical sound.Tweeters - Clear, Precise HighsThe D15 couples a laterally offset 1" Aluminum Dome Tweeter with our 20/20 Wave Alignment Lens. We offset the tweeters by 5 degrees, minimizing wave cancellations off the front baffle to deliver a more precise center stereo image and ensure clear, detailed high-frequency performance.Midrange - Superior Detail & Natural MidrangeThe D15's 5.25" patented Balanced Double Surround Sy