Sanyo M7790

Here is the M-7790 by Sanyo. It is identical to the MR-U4GP sold in Japan.
Dimensions: 5.25 x 17.13 x 3.75 inches.
Speakers: 2 cones, 2 piezos
Output: 2x4 watts
Batteries: 7 C-cells
Dolby NR
Automatic Music Select System (AMSS)
Line In, Line Out
AM, FM, FM Mute