MRC N scale drop-in dual-mode (DCC/DC) sound decoder with U23B & B23-7 diesel locomotive sounds. Includes on-board speaker. Easy programming. Complete illustrated installation instructions included.

Features:

• Directly replaces most Atlas N scale loco PC boards
• Two synchronized diesel prime mover sounds (U23B & B23-7) with randomly associated locomotive sounds
• .75 amp capacity
• 28 accessory functions (F1-F28)
• Programmable choice of 34 different horns and 8 bells
• Programmable individual sound volumes
• Programmable for either 2-digit (1-127) or 4-digit (1-9999) addresses
• Programmable start and top voltages
• Programmable acceleration and deceleration rates
• Programmable 14, 28/128 speed steps
• Selectable factory default speed curve
• Directional lighting (F0)
• Supports full read back of CVs
• Supports advanced consisting (CV19)
• Supports programming on the main (OPS mode)
• Compatible with NMRA DCC standard
• Complies with the part 15 of FCC
• 10mm on-board speaker
• Dimensions: 72.0mm x 10.0mm x 4.2mm
• MRC warranty

Dual Mode operates on a standard DC power pack to give you synchronized engine sound (only). To access all sound functions with DC, use the unique MRC BlackBox (sold separately).