Model number M11WGD4CU1AN. All work fine. No microphones or mounting
hardware. $95.00 each or $300.00 for all 4. If you buy all 4 we'll throw
in a NEW service manual (68P02948C85-0). - John Hassebrock, Owner, Brock
Communications, 1627 Saratoga Dr., Colorado Springs, CO 80910, 719-471-7166