6.5-Inch Kevlar series 1-point stereo speaker with dual voice coil.
This is a nice RCA SP9905 Subwoofer. It features 8 Ohm Impedance, 30 Watt Maximum Input, and is Passive.
This is a nice quality RCA SP9905 Subwoofer. It features an impedance of 8 ohms, and a max input power of 30 watts.