inputs.text: audio subwoofers certain series - not standard subwoofers could put description wouldnt nowi bought standard 18\\ subwoofer believing description simply brand atrend not atrends customized box subwoofers certain series vendor sells dont feel really says description especially since brand looks like \\re\\ description \\brand new atrend 18xxxsq audio xxx18d2 18\\ sealed subwoofer enclosure box\\ without explanation feel reads like hastily put together heading sold 18\\ subwoofer boxso ill need make new front panel correctly fit standard size subwoofer audio one around [ ] dual voice coil power monster not need home theater applicationi able build sides enough let subs weight hold placeits not permanent anxious testthe good news box built well little corner damage shipping addition 25 lbs poly stuffing also bought amazon used craft grade stuff lieu paying 4 times audio grade stuff box goes low loud bass 32hz non existant added box hear 22 hz using audio control earthquake boost lower octave even max boost 12\\ sub could barely go 40 usable bass well thatall [ ] 18\\ car subwoofer [ ] sub box comparison 18\\ selfpowered home audio grade subwoofer starts 1000 several models [ ] giant proaudio grade cabinets [ ] go loud not low usually giant ruggedized gets job done home theater [ ]