Pioneer TS-G625 2-Way 6 Inch 250W Coaxial Car Speakers System coax. 2way sound pressure level(gk-090) 89db(1.5db) frequency range (gk-090) 26 hz ~ 27k hz (-20db) input (max) 250w capability (nom.) (40w) size, type 6-1/2" (160 mm), cone wf - diaphragm material impp composite cone wf - color black (hair line) wf - edge (surround) rubber coated cloth surround tw - type piezoelectric tw - diaphragm material pet tw - color black included parts cord 30cm x 2 color: white screw f4mm x 25mm x 8 color: black speed nut x 8 color: silver impedance 4 ohm f0(lowest resonance f.) 82 hz crossover frequencies - weight(incl. Parts) 0.55kg (1 lbs 3oz)