BIC V-80 vs Acoustic Audio PSW-8

[cyto]

I would like opinions on these two subs for music.

I have very little room but will use two small subs, one connected to each speaker (Klipsch Heresy II with external crossovers).

The BIC V-80 or Acoustic Audio PSW-8 are the only ones that will fit and they are inexpensive, I am not expecting high end sound from either but want to know which is best for music. I am going to use them to boost the 30 to 80 hz range not shake the house.

Thanks

David