PMC are very easy to place in a room, I had mine in a small bedroom and the bass . . . really the overall sound was not wanting for anything. Also they are easy to drive.
I agree with Whitecap, the GB1i has a 5.5in driver,and wont play as low or with the weight of the FB1i and especially the OB1i.
I agree with Whitecap, the GB1i has a 5.5in driver,and wont play as low or with the weight of the FB1i and especially the OB1i.