(4) FKB108 3.5" 140 Watt Car Audio Coaxial Speakers

This bundle pairs two matched sets of MB Quart FKB108 3.5" Coaxial speakers, so every location that carries them puts out the same tone and output instead of mixing brands to fill out a system. It fits small door or dash locations in compact cars and older GM models, which makes a two-pair bundle the simpler way to cover a full car instead of buying single pairs twice. Each speaker pairs an aluminum dome tweeter with a thermal-formed polypropylene cone, handling 140W peak power (70W RMS) per pair across a frequency response of 80 Hz to 20 kHz. A butyl rubber surround holds its shape through hot summers and cold winters, and the pure copper voice coil, wound on a Kapton former, sheds heat fast enough for sustained volume without breaking down. A heavy-gauge stamped steel frame keeps the basket rigid under road vibration, and spade connectors or direct soldering both work at install. With a mounting cutout of 3.41" and a chassis depth of 1.5", these speakers drop into a wide range of factory locations without new cuts. Buying the two pairs together means the whole car gets upgraded in one order, with matched output front to back.