Patent ID: 8073168

Claim:
A speaker system comprising: a front speaker driver; a shroud mounted to said front speaker driver substantially encasing a cylindrical volume on a rear portion of said front speaker driver; a rear speaker driver comprising similar dimensions to said front speaker driver being axially aligned with said front speaker driver and secured at a determined distance behind said front speaker driver providing containment of the rarefaction pressure of said front speaker drivers rearward movement; and said shroud providing an air gap between said shroud and said rear speaker driver; said shroud could completely enclose the rear of said front speaker driver with an allotted port to allow for driver compliance; an acoustically treated enclosure substantially enclosing a volume on a rear portion of said rear speaker driver; and electrical connections for connecting said front speaker driver and said rear speaker driver to connection terminals for connection to an external driving source such that excursions occur on said front speaker driver and said rear speaker driver when said external driving source is operable and said front speaker driver functions in an open baffle system.