Infinity Reference REF407F 4" Coaxial SpeakersA 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

performance and value

this custom-tooled basket provides unparalleled stability

Well it's all in that new motor and new basket

BL Factor - BL

Anodized aluminum voice coil former

RMS power @ 4 ohm mono - 450 W X 2

2 Negative Terminals (-)

with adjustable control of bass roll-off

0366 mm/N Mms 332

Optimally Designed for Ported Enclosures

2 Angled surface-mount tweeter housings

The PMX-5CAN features a 2