Theatre 4 with a sub bass

if i would like to add a sub bass to my Pi 4 theater, what should i choice from the pi range of speaker
Zeno

You have mail! - Wayne Parham 09:53:55 05/29/03 (4)
- Re: Pi subwoffer - Wasteh202 11:02:38 05/29/03 (2)
  - Re: Pi subwoofer - Wayne Parham 15:56:42 05/29/03 (1)
    - Re: Pi subwoofer - Wasteh202 16:27:23 05/29/03 (0)
- thanks (nt) - zeno 10:10:12 05/29/03 (0)