1PC Woofer Mid-Bass Speaker 4INCH 116mm 70W low-frequency HIFI Home-made Desktop Home Theater Speaker Magnetic Shield F0-8000hz - AliExpress
Amazon.com: Pyle Car Mid Bass Speaker System - Pro 5 Inch 200 Watt 4 Ohm Auto Mid-Bass Component Poly Woofer Audio Sound Speakers For Car Stereo w/ 30 Oz Magnet Structure, 2.2”