Eminence Delta Pro 8B Speakers
Eminence Delta Pro 8B 8" driver is a high power 8" speaker that features a cast aluminium frame with a truncated squared off frame that lends itself to use in line array speaker systems where close driver placement is necessary.
Rated for 450 watts program power handling by Eminence, the Delta Pro 8B is an 8 ohm speaker, and is has a useful frequency response from 100hz to 5,000hz. The Delta Pro 8B speaker has slightly higher efficiency than its brother the Delta Pro 8A, and a slightly higher resonance frequency.
Full specs here: http://www.eminence.com/speakers/speaker-detail/?model=Delta_Pro_8B