Can someone track down exactly what subwoofer this is? : r/BudgetAudiophile
4" 10CM 300 Watt MAX 2-Way Car HiFi Audio Stereo Coaxial Speakers Pair TS-1071 | eBay
600w 8 Inch 4ohm Car Active Subwoofer Speaker High Power Audio Sound Dv12v High Quality Car Subwoofer Loudspeaker - Subwoofers - AliExpress
2pcs 400W 5Inch HiFi Car Stereo Speaker 2 Way Car Audio Coaxial Loudspeaker 12V | eBay
2pcs 4 Inch 2 Way 300w Car Speaker Universal Automobile Hifi Audio Full Range Frequency Subwoofer Coaxial High Pitch Loudspeaker - Speakers - AliExpress
12 inch subs with box and amp car Subwoofer ,subwoofer car audio active 12 subwoofer speaker box - AliExpress
Andeman® 10'' 900W Car Audio Speaker Power Subwoofer Power Amplifier Car Sub | eBay