This is a nice quality Emerson Subwoofer. It features an impedance of 8 ohms, and includes the speaker wire.
- Dual 12" Bass Box - two 12" Subwoofers - 40 Oz Magnet - 2" 4-Layer ASV Coil - 4 Ohm Impedance - 400 Watt Max Power - Size (LxWxH): 805x355x390mm
This is a nice Coby Hi Fi Subwoofer. It features Tone Control, Adjustable, and Active.