-True Digital Recordings
-Includes Crank Over, Idle, Rev Up and Down and Stop
-Produces Three Auxiliary Sounds Controlled by Any Free Proportional Channel
-Auxiliary Sounds Will Not Cut Out Motor Sound
-Will Not Over Heat and Shut Down
-No Sound Loop Clicks
-Generates 10 Watts of Sound
-No Additional Amplifier required
-Two Separate Volume Controls for Motor and Auxiliary Sounds
-Adjustable Motor Sound
-Simple Installation
-Uses 4-8 Ohm Speaker
-Proudly made in the USA
-Includes 1 foot speaker wire connector

Specifications:
Dimensions: 3 x 2 x 7/8"
Weight: 3 oz.
Amplifier Wattage: 10 watt
Amplifier Impedance: 4-8 ohm
Current Draw: 2 amps
Operates on 11-15 volts

Click Here To View And Print Instructions

A Harbor Model's favorite! Great for extra large tug boats with Turbo Diesel engines. The whine of the turbos are extremely realistic!
Motor, bells, and two horns are all included with this module, listen to the following examples:
Motor: (this represents the startup, rev up, rev down and shutdown - all included with the module