TS-A6991FH 6x9" A-Series 5-Way Coaxial Car Speakers (700W Max Pair) 2006-gmc-sierra-2500-3500-pickup-extended-cab-with-6-speakers--with-onstar-esi8071002 It features an 18mm tweeter

It features an 18mm tweeter and an 11mm super tweeter for crisp high frequencies

Measuring only 9 inches wide

and the stamped steel basket adds rigidity

making it versatile for various OEM locations

high-quality external crossover networks bring out the best in each driver

TS-A6991FH 6x9" A-Series 5-Way Coaxial Car Speakers (700W Max Pair) 2006-gmc-sierra-2500-3500-pickup-extended-cab-with-6-speakers--with-onstar-esi8071002 It features an 18mm tweeter6" x 9" 5 way Coaxial Speaker 750 W Max Power (150 W Nominal) 18mm, 11mm Super and 9mm Super polyethylene terephthalate (PET) hard dome tweeters 2 1 4" polyetherimide (PEI) film cone midrange.