inputs.text: not need ton space hits hard hits loooowwww - one sealed box 125 cuft not stuffed polyfil driving voicecoils bridged amp seeing 2ohm load amp rockford fosgate 3001 putting 400 watts rms mono construction connection terminals allows use jumpers bridge speaker makes wiring lot easier usual great design featurehonestly five different subs various sizes brands truck typer 1242d letting hear deeper subbass frequencies others impressed performance speaker honestly cannot imagine much bass anybody would really need single one much less kind dualsub setup bandpass box 1000 watts driving thehem seen others vids posted onlineyou get two right box appropriately sized amplifier stable power supply literally able blow skirts offindeedupdate 3062011the rearview mirror drivers side tundra vibrating looseseriouslyupdate 4282011made adjustments box stuffed appropriate amount polyfill pillow stuffing also added mounting ring front box order make cutout correct size one thing aware mounting sub cutout slightly smaller \\one size fits all\\ cutout found boxes plan running sealed box like want sure got size cutout correct read specs prior cuttingi also running 4channel amp bridged two channels running 250x2 watts rms 4ohms slightly wattage going sub box tweaks swear sounds feels like pair subsstill extrehemely pleased performance durabilityth performance durability