Infinity Reference REF407F 4" Coaxial Speakers closeout Using the same turbine style

Using the same turbine style Poly/Glass Fiber basket as our standard XL subwoofers this shallower version offers all the features and reliability from the Xtreme family

One marine 3004A four channel amplifier

Additionally

4 x 80W + 1 x 200W at 4 Ohms

Hi/Low level: 1 RCA pair

Infinity Reference REF407F 4" Coaxial Speakers closeout Using the same turbine styleA modern classic Just as they were throughout my 16 years as a Crutchfield Advisor, Infinity's Reference Series speakers remain a popular choice for upgrading from factory speakers. The REF407F 4" 2 way car speakers follow that Infinity heritage by offering the killer combo of high efficiency and superb sound. These Infinity speakers offer larger magnets than most factory speakers for bigger, better sound. Infinity's famous ingredients Reference