MRC HO/O(2-rail)/G* scale 16-Bit Sounder^TM DCC diesel sound (only) decoder with 28 accessory functions.

The MRC Sounder is a sound-only decoder with speaker that is easily added to any HO/O(2-rail)/G* scale locomotive equipped with a standard, non-sound decoder or any piece of rolling stock equipped with wheel pickups.

16-bit sound technology provides a level of sound reproduction quality and "presence" not previously available. Includes three types of prime mover sounds, multiple horns & bells, brakes, air releases, pop valves, cooling fans, coupling sounds and more.

Features:

• Easy installation - simple 2-wire hookup
• Three types of synchronized prime mover (Alco, SD70, Electric),
  with random associated locomotive sounds
• Use with any non-sound decoder from MRC or any other brand DCC system
• Full 28 NMRA functions (F1-F28)
• 16-Bit Brilliance sound quality with multiple sounds and volume selectability
• 15V maximum input*
• Supports advanced consisting (CV19) and programming in the main (Ops mode)
• Compatible with NMRA DCC standards
• Complies with the part 15 of FCC
• 28mm, 8-Ohm round speaker included (other sizes sold separately)
• Dimensions: 17.4mm x 17.4mm x 4.0mm
• MRC warranty**

*Note: Requires an 82 Ohm, 1/2 watt resistor for use with a Digitrax 20 amp G scale DCC system.

**See user guide for details