Diesel Sound Commander 2™ With Sound Commander 2, you get a low cost way to add sound to your locomotives. The Sound Commander 2 has extended conventional mode functionality, including two volume selections. With its small, compact size, it can be installed into many Modern era and Post war locomotives, yet delivers over 1 watt of output power. This sound upgrade kit can operate in conventional mode with horn / bell buttons, or in command mode when interfaced to compliant products. Sounds SKU: 6-ELRR3 Dimensions: 1.5" L x 1.25" W x 0.75" H Gauge: None price: 49.95 year: 0 rail line: None Minimum Radius: None Catalog Year: 2011 Catalog Title: Lionel 2011 Volume 2 Road Number: None Sound Commander 2 Kit Includes: "Low profile" 2 inch diameter speaker, speaker baffle, mounting supplies, comprehensive installation manual, and connection cables for conventional and command operation. FEATURES: Conventional and Command mode operation Command mode volume control from the CAB-1, 4 levels and mute Conventional mode volume control with jumper or switch Custom sound processor for field upgrades or enhancements Direct connection to the entire Electric Railroad product line Additional Diesel Features : Prime Mover revs with 4 speed levels, 4 volume levels and mute Volume of Prime Mover and Warning Sounds individually settable Monitors 32/100 speed step selections to adjust rev level appropriately Choose one of the following diesel sound sets: GP7/GP9, ALCo, RDC,F3/F7, GG-1 Command & Conventional Mode Sounds : Horn / Whistle Bell (diesel or steam) Coupler Clank (activated by Bell button in conventional mode) Air Release (activated by Bell button in conventional mode) Diesel - Prime Mover revs Manuals Find the latest manuals in our support section. Replacement Parts Buy any replacement parts in our support section. Contact Contact a service station to fix your product