Infinity Reference REF307F 3.5" Coaxial Speakers Bridgeable: Flexible installation allows this

Bridgeable: Flexible installation allows this amplifier to run in four channel or bridged mono mode

it may be time to change out your vehicle's worn-out factory tweeters

Voice Coil and incorporates tight Red stitching that is sewn through a Kevlar fiber enhanced non-pressed paper cone with an EROM Foam Surround

Power Supply: 11-15V DC negative ground

Infinity Reference REF307F 3.5" Coaxial Speakers Bridgeable: Flexible installation allows thisA modern classic Designed to work behind factory grilles, these Infinity speakers can liven up your music. Infinity's famous ingredients Reference Series speakers deliver powerful sound every mile you drive, thanks to oversized polypropylene woofer cones with durable hi roll rubber surrounds. The cones move more air than other speakers of similar size, adding plenty of punch to the speaker's impressive performance. The 1 2" textile balanced dome