Kicker's 40CS684 speaker set provides low-end from a tough 6"x8" polypropylene woofer, with a polyester foam surround that will stay strong for years to come. The 1/2" PEI balanced dome tweeter takes care of the vocal and instrumental details that'll improves sound quality. These speakers sound great powered by a factory radio or an aftermarket car stereo, and they'll really rock when connected to an external amplifier.

General Features:

• Power Handling: Peak: 450 watts per pair / 225 watts each
• RMS: 150 watts per pair / 75 watts each
• Impendence: 4 ohms
• Durable, Ribbed UV-Treated Polyester Foam speaker surround for precise linear excursion
• Lightweight 1/2" Polyetherimide (PEI) Balanced Dome tweeter design for superb clariy
• Neodymium tweeter magnet motor structure
• EVC (Extended Voice Coil) technology for high thermal handling
• Shallow mounting design allows fitment into virtually any vehicle
• Substantial upgrade from factory speakers
• Polypropylene cone material
• Frequency response: 45-20,000 Hz
• Top-mount depth: 2-3/16"
• Woofer Mounting Depth: 2-3/16"
• Grills Included
• Sensitivity: 90dB