This bundle contains two pairs of Alpine S-S57 5x7" (6x8") 2-Way Coaxial Speakers.
The new cosmetics of the S-Series looks good in nearly any car and their shallow mounting design allows for easy installation in a wide range of door panels. As well, their high-efficiency design can run off of the power from the factory or Alpine head unit, resulting in an easy system improvement for any vehicle.

CEA-2031 Speaker rating: 75W maximum RMS, 230W peak power handling, nominal impedance 4Ω
5"x7" 2-way speakers
carbon fiber-reinforced plastic woofer cone with specialized rubber surround
3/4" silk dome tweeter
frequency response: 73-22,000 Hz
sensitivity: 88 dB
top-mount depth: 2-7/16"
grills not included
warranty: 1 year