DH165Q1 fits Atlas, Intermountain, LifeLike & Other factory sound-equipped HO Locomotives.

Compatible with Digitrax Sound Bug.

Decoder Lock equipped

• QSI-style PCB replacement Plug N’Play decoder-
• Allows replacement with new technology downloadable SFX SoundBug modules
• Accepts Plug-in SFX SoundBug sound modules
• Excellent power management-
• Booster or Programmer overloads
• Regulated Headlights: convenient no-resistor install of LEDs and lamps.
• Digitrax LocoMotion® System-
• Your locomotives look like the real thing. The Digitrax LocoMotion System makes them run like the real thing, too!
• Torque Compensation for smooth as silk silent operation.
• 128 Speed Step operation (14 or 28 steps can also be used).
• Momentum with acceleration and deceleration.
• Normal Direction of Travel is user selectable.
• 3 Step Speed Tables set start, mid and max voltage for custom control.
• 28 Step Speed Tables with 256 level resolution for precise control.
• Scalable Speed Stabilization with simple setup & 1024 level resolution.
• SuperSonic motor drive for silent operation.
• FX³ Functions for prototypical lighting effects:
• Constant Brightness Lighting directional or independent control.
• Realistic Effects like Ditch lights, Mars lights, strobes, and many more.
• Dynamic and Static Qualifiers operate functions based on direction, F0 on or off, loco direction and F0, and whether loco is moving.
• Function Remapping for custom function setup.
• Master Light Switch turns off all lights & functions with one keystroke.
• Advanced Consist Function Controls
• Transponder equipped ready for transponding on your layout.
• Compatible with digital surround sound systems
• All Mode Programming with Operations Mode Read Back-read back CV values right on the mainline.
• Decoder Factory CV Reset with or without speed table initialize.
• Motor Isolation Detection prevents damage to your decoder.
• Basic, Advanced & UniVersal Consisting
• 2 Digit and 4 Digit Addressing