Infinity INFSPKRF687FUS Reference REF687F Reference Series 6"x8" 2-way car speakers boss elite High- and low-pass filters put

High- and low-pass filters put you in command of the frequency spectrum that reaches your speakers and subs

Add-on navigation modules for aftermarket radios used to be big

0 (Front Only)

Built-in GPS with speed log

outputs: 2-volt rear-channel & subwoofer RCA preouts

Infinity INFSPKRF687FUS Reference REF687F Reference Series 6"x8" 2-way car speakers boss elite High- and low-pass filters put6x8 two way speaker, 3, 60Wrms 180P, 93dB, 49Hz 21kHz, edge driven textile dome tweeter, Plus One woofer, No grille Product info: 6"x8" 2 way speakers (pair) Plus One+ polypropylene woofer cone with hi roll rubber surround 1" textile edge driven dome tweeter with 3. 0 dB level adjustment True Four Ohm Impedance technology speaker's 3 ohm impedance combines with speaker wire impedance for a 4 ohm load compatible with virtually all factory or