Big Speaker Sound Without The Big Speaker Whether you're looking for your first home theater sub/sat system or want to upgrade to more performance you're in for a big surprise in a small compact package from Polk Audio. The predecessor to Blackstone TL our RM series was always about "Big Speaker Sound Without The Big Speaker." Blackstone TL represents a significant leap forward delivering an astonishing home theater performance never before heard in compact loudspeakers.
- Time Lens Technology-The acoustic centers of the tweeter and mid-bass driver are located in the same plane for superior imaging
- PowerPort a patented Polk technology extends the low frequency mid-bass driver response as it decreases air turbulence
- 3/4" Silk Dome Tweeters for crisp clear imaging and smooth response that's never tiring.
- 3 1/4" Composite Injection Molded Cones With Dynamic Balance Driver Technology
- Downward Firing Powered Subwoofer. A compact vented enclosure with an 8" long-throw Dynamic Balance poly composite driver.
- Eliminates "port noise" and bass output losses up to 3 dB.