BROKEN - NON FUNCTIONAL!
This is an early SKU of the D-4.800. Unfortunately some early production amps had an issue where the DSP would physically "lock up' when the device got too cold. This amp can be used for parts, or you can attempt repair, but it is sold AS IS. 
Everything shown is included
 
Please note that the items on this page are used and are therefore sold "as is". Items may feature cosmetic imperfections. Includes everything shown.
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Used items are sold at a discount, have no warranty and can not be returned. Shipping inside continental US is included in purchase price.