SMS™ (Sandwich Mass System) permits greater linearity by minimizing angular torque
Durable yet compliant suspension provides substantial linear travel and mechanical stability
Rigid cast aluminum frame with thick black anodized aluminum cone
Threaded rod with lock nut for easy adjustment of tuning frequency
Includes seven 75 gram weighted disks for simple tuning adjustment
Dayton Audio's RSS390-PR 15" passive radiator is the ideal choice for tuning small enclosures lower than possible with a conventional port. With a thick aluminum cone, cast frame, rubber surround, and incredible excursion capabilities (60 mm peak to peak) this radiator is perfect for today's high excursion subwoofers.