RailSounds; Alco C420
Overview:
The latest version of the RailSounds Commander is the smallest, most full featured, highest performance RailSounds upgrade available for your locomotives.  This innovative technology utilizes Lionel RailSounds technology with integrated power supply, that supports command and conventional mode with battery backup.  The RailSounds Commander operates standalone, or in conjunction with the full product line of Electric Railroad?s TMCC upgrades. The small size is unparalleled in the marketplace, so just about every locomotive can have a high performance sound system!

The RailSounds Commander product is complete kit, including a high performance speaker, speaker baffle, mounting supplies, comprehensive installation manual, and connection cables for conventional and command operation.

Features:
Cool Features: 
    Conventional and Command mode operation
    Command mode Volume Control
    On-board Volume Control for conventional operation
    Expanded variety of sound sets
       Steam: Small 
    Battery (9v) supports convention mode operation
    Fully compliant with TMCC protocol standards
    Only 1.75" L  x  1.25" W  x  0.50" H

MSRP is $129.95.