Polypropylene cones and rubber surrounds using automotive grade materials give you clean reproduction and high durability.
JBL speakers have to undergo a rigid testing process that would destroy lesser speakers. JBL freezes them, bakes them, shakes them, blasts them with ultraviolet light and drives them at full power for days at a time.
Stage 102 — 10" (250mm) woofer with 225W RMS and 900W peak power handling.
Speakers are carefully tuned to assure high SPL and low distortion. This means that the usual specifications as well as individual speaker characteristics are considered when tuning for the JBL sound.