Infinity Reference REF407F 4" Coaxial Speakers closeout JBL created this system to

JBL created this system to be a hi-fi solution for those who want better sound in their vehicle

Multiple Trigger Modes

Preamp Outputs: 5 (4 channels main

One marine 3004A four channel amplifier

Infinity Reference REF407F 4" Coaxial Speakers closeout JBL created this system toA 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