Price: Direct-current model with factory-installed speaker, $159.95; with ESU LokSound V5 sound decoder, $274.95 Manufacturer: Atlas Model Railroad Co., 378 Florence Ave., Hillside, NJ 07205; ...

Price: Direct-current model with 21-pin connector, $214.99; with ESU LokSound V5 sound decoder, two cube-type speakers, and an ESU-designed "PowerPack" with two super capacitors, $324.99. Manufacturer ...