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472 Mechanical “Q” (Qms) 7
625 in / 244 mm Bolt Hole Circle Diameter (C) 10
Wedge™ & MicroSub™ Enclosed Subwoofers
delay: 0-20 milliseconds (0-273")
Pioneer TS-M651PRO Car Amplifiers 472 Mechanical “Q” (Qms) 7The Pioneer P. R. O. (Pioneer Reference for Open Show) series of speakers is designed specifically for those looking to produce serious sound pressure levels. Inspired by Pioneers history of record breaking SPL competition, the new P. R. O. Series line of speakers is constructed with the street enthusiast in mind. Emphasizing efficiency and power handling, the P. R. O. series lineup consists of bullet tweeters, mid bass drivers, and a subwoofer that