Coleman Audio MBP2 
The Coleman Audio MBP2 Stereo Meter is the standard of measurement in a stand alone package. Utilizing balanced bridging inputs to eliminate loading, this unit provides input level trims, two switch selectable operating levels, adjustable peak indicators and an internal power supply.
 
The Features
-Balanced bridging inputs
-Desk top enclosure
-Meters meet ANSI specifications
-Two switchable operating levels
-Adjustable peak indicators-Internal Power Supply