(4) MB QUART FKB168 6x8" 200 Watt Car Stereo Coaxial Speakers. MB Quart FKB168. MFR #: FKB168. 200W Peak (100W RMS) 5x7" / 6x8" Formula Series 2-Way 4-ohm Coaxial Car Speakers. 6" x 8" (also mounts in most 5" x 7" locations) Formula Series 2-way Coaxial Car Speakers.
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