Amazon.com: Pyle Portable Bluetooth PA Speaker System-300W Rechargeable Indoor/Outdoor Bluetooth Speaker Portable System w/ 8” Subwoofer 1” Tweeter, Microphone in, Party Lights, MP3/USB, Radio, Remote PPHP834B : Musical Instruments
Amazon.com: Kicker Bundle Compatible with Universal Car 43VC124 12" Comp 300W Sub Box Enclosure with HA-A400.1 800W Sub Amp and HA-AK4 1800W Amp Install Kit : Electronics
Amazon.com: Pyle 5.1 Channel Home Theater Speaker System - 300W Bluetooth Surround Sound Audio Stereo Power Receiver Box Set w/ Built-in Subwoofer, 5 Speakers, Remote, FM Radio, RCA - PT589BT,Black : Electronics
Amazon.com: Pyramid 6" Car Audio Speaker Subwoofer - 300 Watt High Power Bass Surround Sound Stereo Subwoofer Speaker System w/ Molded P.P. Cone, 86 dB, 4Ohm, 40 oz Magnet,1 inch KAPTON Voice