Audiomobile M-CAR Bass-Reflex Pre-Tuned Passive Radiators - 10-Inch Radiator - M-CAR 250

'- 10" (250 mm) Pre-tuned for .50 - .60 cf enclosure / may be used in pairs (2.5" depth).- 8" (200 mm) Pre-tuned for .30 - 40 cf enclosure / may be used in pairs (2" depth).- Modular-Coupled-Acoustic-Reflex ("M-CAR") radiators deliver up to 2-inches peak-to-peak excursion.- Low-profile, SLX cast-alloy frames featuring Carbon Diamond powder-paint (optimized for Evo / GTS series).- Companion, pre-tuned subwoofer transducers ("PST"). Optimized for use with all GT or E-series subwoofers.