Dayton Audio DC130BS-8 5-1/4" Classic Shielded Woofer Dayton Audio Classic Series woofers are excellent for use as replacement speakers or for new loudspeaker system design and construction. The DC130BS-8 5-1/4" woofer has developed quite a reputation for having the best bang-for-the-buck performance and value available anywhere. You can even be use the DC130BS-8 as a small subwoofer! The excellent low frequency performance will amaze you. A non-pressed treated paper cone allows for smooth frequency response, while the high temperature aluminum voice coil increases power handling without compression. Longevity is ensured with the use of a rubber surround, treated cloth dust cap, and an extended bump plate.