Good with moderate volume, after correction.
Bought 2 for simracing(under chair), but then I tried it with some music, and I use them for that since almost every day.
I...

Does its job.
Bought it for BST-1 bass shakers, (simracing/music) but it was too weak for them, so I use it for smaller (15W) exciters now...

Love it!
Bought it with a Topping DX3 Pro+, really nice combo.
My first planar, heard great things about it, expected great bass, but...