Infinity REF607FSL 6.5" Shallow-Mount Coaxial Speakers Audio360 with suggested sealed-system filtering of

with suggested sealed-system filtering of 15 Hz subsonic at 24 dB/octave and 70-80 Hz low-pass at 24 dB/octave

This makes it a practical choice for refreshing worn factory speakers without changing the basic layout of a vehicle audio system

The REF757T uses textile edge-driven dome tweeters with a compact circular profile

The Hifonics ZG-600

and high-frequency duties within a two-way design

Infinity REF607FSL 6.5" Shallow-Mount Coaxial Speakers Audio360 with suggested sealed-system filtering ofThe Infinity REF607FSL is a pair of 6. 5 inch, 2 way coaxial car speakers designed for vehicle locations where mounting depth is limited. Its shallow 1 13 16 inch mounting depth helps make speaker replacement practical in many factory door and rear deck locations. The integrated coaxial design places the woofer and tweeter in one assembly, simplifying an OEM speaker upgrade. These Reference Series speakers are intended for listeners who want clearer,