The Peerless Superior Dynamic Sounds (SDS) Series provides the lowest cost/highest-quality woofers in the industry today.
Peerless by Tymphany SDS-P830656 5-1/4" Paper Cone SDS Woofer
The SDS compact subwoofer family offers low resonant frequency performance, ideally suited for compact sealed enclosures. This 5.25 inch 8 ohm member of the SDS family offer a coated paper cone with rubber surround, a high power voice coil suspended in a ferrite magnet motor, and a narrow-profile steel basket, shaped to fit into narrow cabinets.
Data sheet