Williams by Bachmann 00257 O Gauge TRUE BLAST® PLUS EMD GP38 Diesel Sound Unit

FEATURES:

• True Blast® Plus 16-bit polyphonic sound including prime mover, horn, and bell
• EMD 645 (non-turbo) prime mover with Leslie S3L horn and bell
• Installation instructions included
• Speaker with sound enhancer dimensions: D = 2", H = 1 1/8"
• Designed for AC operation 0-18 volts