- Durable and lightweight / High-efficiency, quick response - Sensitive enough to sound great w/ a factory audio system - Polyurethane Surround / Polypropylene Cone - RMS Peak: 120W, Mounting Depth: 3 - 3-way car speakers (pair) - 6x9 polypropylene woofer cone with polyurethane surround - PEI midrange driver and dome tweeter - handles up to 60 watts RMS (120 watts peak power) - frequency response: 55-20,000 Hz - sensitivity: 90 dB - top-mount depth: 3-1/8 - grilles included