BTW do you know any Lenovo/Dell/HP laptops which have subwoofer on them? > https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/log/sound/pci/hda?qt=grep&q=subwoofer https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1302090 Those dell alienware 14,17 and 18