25W Woofer 4 Ohm Subwoofer Speaker, Bass Audio Column Loudspeaker For Home Theater
Buy 4 Ohm 10 Inch Round Subwoofer Speaker | SPKR.10.4.A
Boss Audio Systems P129dc Phantom 12 Inch 2600 Watts 4 Ohm Aluminum Dual Voice Coil Car Audio Stereo Subwoofer Speaker With Polypropylene & Paper Cone : Target