Alpine S2-S65C Next-Generation S-Series 6-1/2" component speaker system

Product info: 2-way component speaker system 6-1/2" glass-fiber woofer cone with High-Amplitude Multi-Roll surround 1" cloth dome tweeter with threaded removable housing handles up to 80 watts RMS (240 watts peak power) frequency range: 55-40,000 Hz sensitivity: 88 dB impedance: 4 ohms mounting depth: 2.28" Hi-Res Audio Certified Alpine S2-S65C owner's manual 2 Woofers 2 Woofer mount adapter brackets 2 Tweeters (each has a 29" length of wire attached) 2 Flush mount housings (with tweeters installed) 2 Tweeter grilles (fixed) Two 37" Tweeter wires with in-line crossovers (each has quick slides on both ends) 2 Flush mount retention rings 2 Stealth brackets 2 Foam self-adhesive pads 2 Foam self-adhesive rings Eight 1-1/8" Screws Eight M4x6.5mm Machine screws with split lock washers attached Eight M4 Nuts 6 Flat washers 8 Speed clips Warranty information On-line product registration information Important Notice sheet Declaration of conformity Template and specs on box General Speaker Size 6 1/2 Driver Design 2-way Woofer Design Cone Woofer Material Polypropylene/Glass Fiber/Mica Woofer Surround Rubber Midrange Design --- Midrange Material --- Tweeter Design Dome Tweeter Material Cloth Super Tweeter Design --- Super Tweeter Material --- Impedance (Ohms) 4 Weather-resistant No Grilles Included No Parts Warranty 1 Year Labor Warranty 1 Year Specifications Sensitivity (1W at 1 meter) 88 Sensitivity at 2.83 volts N/A Frequency Response 55 - 40k Hz Maximum RMS Wattage 80 Peak Power Handling (Watts) 240 Top-mount Depth (Inches) 2 5/16 Bottom-mount Depth (Inches) N/A Cutout Diameter (Inches) 5.08 Mounting Height (Inches) 0.44 Frame Width 6.506 Frame Length 6.506