Infinity INFSPKRF507FUS Reference REF507FReference Series 5-1/4" 2-way car speakers

5-1/4" two-way speaker, 3Ω, 45Wrms-135P, 92dB, 67Hz-21kHz, edge driven textile dome tweeter, Plus One woofer, No grille

Product info:

• 5-1/4" 2-way speakers (pair)
• Plus One+ polypropylene woofer cone with hi-roll rubber surround
• 1/2" textile balanced-dome tweeter
• 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 aftermarket car stereos
• handles up to 45 watts RMS (135 watts peak power)
• frequency response: 67-21,000 Hz
• sensitivity: 92 dB at 2.83V volts
• top-mount depth: 1.915"
• grilles not included
• warranty: 1 year
• MFR # INFSPKRF507FUS
• Item # 108R507F