Polk Audio PSW505 12-Inch Powered Subwoofer (Single, Black) & Amazon Basics Subwoofer Cable - 15 Feet

Features

Real wood veneer finish, Slot Load Venting improves bass response. If you have any electrical (50/60Hz) hum in your system you’re going to hear it clearly as soon as you hook up your subwoofer. Most hum problems are caused by “ground loops.” That is, the electrical grounds of the components in your system are not at the same electrical potent.
Polk subs sound better because they're built better. Rock-solid MDF construction (including a 1 inch thick front baffle) suppresses enclosure panel resonance for distortion-free, accurate response, big 12 inch long throw driver for longer excursion and better linearity.
Subwoofer cable for connecting subwoofer speaker to a stereo receiver, sound system, or other compatible audio device
Corrosion-resistant gold-plated RCA connectors; split-tip center pins for optimal pressure and conductivity; tough, yet flexible PVC exterior