The best replacement for 2 subs is 1 sub.

The best alternatives to 2 subs are rated as following:
★★★★★  1 sub

Your alternative for 2 subs is not listed? Suggest!
Speaking about 2 subs, one probably shouldn't forget about amp.

Other search terms related to 2 subs and their ratings are:
★★★★★ amp
★★★ mono amp
★★ 2 channel amp
You have in mind a companion for 2 subs and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of 2 subs in all years. Click on graph for more.
2 subs
1 sub