Pioneer TS-R1651S 6.5" 3-Way Coaxial Speakers (Black)

SYSTEM: Coax. 3-way Sound pressure level: 90dB ( ±1.5dB ) FREQUENCY RANGE　: 30 Hz ～ 18 KHz (-20dB) Max Wattage: 300 W Nominal Wattage: 40 W SIZE: 6-1/2" (160 mm), CONE Impedence: 4 Ohms CONE MATERIAL: Mica reinforced pulp cone Color: Black Surround material: Rubber coated cloth surround Mid-Range:- Type: Piezoelectric DIAPHRAGM MATERIAL: PET Color: Black Tweeter:- Type: Piezoelectric DIAPHRAGM MATERIAL: PET color: Silver Dimensions (Dia x Depth) w/o Grille: 158 x 61 (mm) Dimensions (Dia x Dept