The best replacement for dual coil is single coil.

The best alternatives to dual coil are rated as following:
★★★★★  single coil
★★★  single coil subwoofer
★★  bottom coil
★  single coil subs
★  quad coil
  triple coil

Your alternative for dual coil is not listed? Suggest!
Speaking about dual coil, one probably shouldn't forget about ego twist.

Other search terms related to dual coil and their ratings are:
★★★★★ ego twist
You have in mind a companion for dual coil and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of dual coil in all years. Click on graph for more.
dual coil
single coil
single coil subwoofer