Welcome to Harbor Models Inc.

Sound Modules

Sound modules are a great way to add realism to your project. Below you will find the Harbor Models' line of modules. You may preview the sounds provided in each of our 12 versions by playing the sound clips in the table below. Once you've decided which sound works best with your model choose the correct option from the drop down menu by the pricing. Enjoy!

Sound Module
-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: 3oz.
Amplifier Wattage: 10watt
Amplifier Impedance: 4-8ohm
Current Draw: 2amps
Operates on 10-15 volts

Audio Samples
Choose from the drop down menu by the price.
Large Diesel (HAR601) Motor, two horns and a bell are all included with this module, listen to the following example:
Small Diesel (HAR602) Motor, two horns and a bell are all included with this module, listen to the following example:
Hicks Engine - Single Cylinder (HAR603) Motor, bell, horn and seagulls are all included with this module, listen to the following example:
PT-Boat (HAR604) Motor, air attack and a machine gun are all included with this module, listen to the following example:
Motor:

Air attack and machine gun:
PT-Boat 2 With Air Attack (HAR604-5) Motor, air attack and a machine gun are all included with this module, listen to the following example:
Motor, machine gun, bofor gun and air attack are all included with this module, listen to the following example:
Motor:

Bofor, machine gun and air attack:
PT-Boat 3 Machine Guns (HAR604-6) Motor and three different machine guns are all included with this module, listen to the following examples:
Motor:

Large machine gun:

Medium machine gun:

Small machine gun:
Small Steam Engine (HAR605) Motor, bells, whistle and seagulls are all included with this module, listen to the following example:
Motor:

Bells, whistle and seagulls:
Large Steam Engine (HAR606) Motor, bells, large whistle and seagulls are all included with this module, listen to the following examples:
Motor:

Bells, whistle and seagulls:
Chris Craft/ Pleasure Craft(HAR608) Motor, horn, male laugh and female laugh are all included with this module, listen to the following examples:
Motor:

Horn, male laugh and female laugh:
Turbo Diesel (HAR609) 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
Fire Boat (HAR610) Motor:

Alarm, siren, alert and vocal command:
War Ship (HAR611) General Quarters:

Large Gun:

General Alarm:

Collision Alarm:

Bosun's Whistle:


Click Here To View And Print Instructions

Testimonials "I have finished my tug using parts from you, and the sound unit is really good. People can't believe it when I tell them, lets see if the diesel will start. Then start the cranking, some fun...
Also thanks for the great service when I ordered my last parts."
-Ken Christmas
$132.95
Availability: Usually ships the next business day
HAR600
Sound: 
6 to 12 Volt Conversion Unit
Takes a 6 volt power source and boosts it to 12 volts.
Only to be used in conjunction with the Harbor Models' sound units, HAR601-HAR611.
$36.00
Availability: Usually ships the next business day
HAR625
4 OHM, 3.3" (70mm) Speaker
This speaker is only 3.3 inches in diameter but delivers amazing sound quality. With a frequency response of 100-20,000 Hz and 50 watts of power the FRS8 will be sure to impress all modelers.
Weight: .6 lbs
$23.95
Availability: Usually ships the next business day
FRSM
Mini Speaker, 4ohm, 2"
To accommodate boating enthusiasts with smaller boats, this new speaker will give top quality performance in a smaller package.


Specifications:
-2-1/16 x 2-1/6 x 1-1/2"
-4ohm
-Paper Cone
-1 oz. Ferrite Magnet
$14.95
Availability: Usually ships the next business day
HAR420
Steam Engine Sound Module
This module produces the realistic chuff and hiss sound of a steam engine. The sensor board synchronizes the speed to the turning prop shaft in your model. Completely assembled.

-2" Speaker (provided)
-Runs on 6 to 14.4V
-Dimensions:
1-3/4" x 3-1/4"
$49.95
Availability: Usually ships the next business day
RAM48
Gas/Diesel w/Horn 2" Speaker
You choose either a gas or diesel engine sound with adjustable horn for your electric car, truck or boat. Idle rate and top speed are also adjustable. Simple 4 wire hook up. Completely assembled. Compact, state of the art design synchronized to motor speed. Perfect for Dumas Chriscrafts, Midwest Trawlers and other medium sized ships.

-2" Speaker (included)
-Runs on 6-14.4V
$42.95
Availability: Usually ships the next business day
RAM40
Gas/Diesel w/Horn 4" Speaker
You choose either a gas or diesel engine sound with adjustable horn for your electric car, truck or boat. Idle rate and top speed are also adjustable. Simple 4 wire hook up. Completely assembled. Compact, state of the art design synchronized to motor speed. Perfect for Dumas Chriscrafts, Midwest Trawlers and other medium sized ships.

-4" Speaker (included)
-Runs on 6-14.4V
$42.95
Availability: Usually ships the next business day
RAM38
Boat Saver with Pump
This device senses water in the boat's bilge and activates a bright warning light while the pump removes it.
9 to 12V.

Dimensions:
Height: 2-1/2"
Width: 1-3/4"
Depth: 1-1/2"
$29.95
Availability: Usually ships the next business day
RAM45
Mounted on a single servo, this switch will control four different accessories on one voltage plus two more on another voltage.

Click here to view instructions
$19.95
Availability: Usually ships the next business day
RAM30
16" Deck Gun
Provides the roar and echo of a large gun.
The sound is activated using a servo arm which swings to make contact with a momentary switch. Servo not included.

-Digital Sound
-2" Speaker (included)
-Runs on 9-18V
$39.95
Availability: Usually ships the next business day
RAM81
Whooper
This device produces the classic whooping attack alarm common on destroyers and other fast surface ships.
The sound is activated using a servo arm which swings to make contact with a momentary switch. Servo not included.

-Digital Sound
-2" Speaker (included)
-Run on 9-18V
$39.95
Availability: Usually ships the next business day
RAM61
This item is currently out of stock!
Siren
This compact but loud system offers a choice of three distinct siren sounds for cars, boats, and planes.
The sound is activated using a servo arm which swings to make contact with a momentary switch. Servo not included.

-Digital Sounds
-2" Speaker (included)
-Runs on 9V
$26.00
Availability: Usually ships the next business day
RAM31
Sub Dive Alarm
This sound effect announces a dive to the crew, a very distinctive alarm.

-Digital Sound
-2" Speaker (included)
-Runs on 9-18V
$39.95
Availability: Usually ships the next business day
RAM69
Big Ship Whistle
An ocean liner or large cargo ship have a very deep and distinctive whistle sound. This unit recreates that sound very well.
The sound is activated using a servo arm which swings to make contact with a momentary switch. Servo not included.

-Digital Sound
-2" Speaker
-Runs on 9-18V
$39.95
Availability: Usually ships the next business day
RAM71
Riverboat Steam Whistle
The blast of the riverboat whistle was distinctive from other larger and smaller steam boats.
The sound is activated using a servo arm which swings to make contact with a momentary switch. Servo not included.

-Digital Sound
-2" Speaker (included)
-Runs on 9-18V
$39.95
Availability: Usually ships the next business day
RAM78
Old Time Steam Whistle
Small steam launches and other small steam tractors and logging engines had very distinctive whistles.

The sound is activated using a servo arm which swings to make contact with a momentary switch. Servo not included.

-Digital Sound
-2" Speaker (included)
-Runs on 9-18V
$39.95
Availability: Usually ships the next business day
RAM80
Tug Boat Horn
This unit creates a modern diesel tug boat air horn sound. Perfect for Dumas Shelly Foss and other heavy duty towing ships.
The sound is activated using a servo arm which swings to make contact with a momentary switch. Servo not included.

-Digital Sound
-2" Speaker (provided)
-Runs on 9-18V
$34.00
Availability: Usually ships the next business day
RAM82
Foghorn
This digital sound device produces the classic deep dual tones. The sound is activated using a servo arm which swings to make contact with a momentary switch. Servo not included.

-Digital Sound
-4" Speaker (provided)
-Runs on 6 to 12V.
$39.95
Availability: Usually ships the next business day
RAM63
Air Horn
The sound of a dual trumpet air horn used on trucks, pleasure boats and small commercial vessels is very distinctive.
The sound is activated using a servo arm which swings to make contact with a momentary switch. Servo not included.

-Digital Sound
-2" Speaker (included)
-Runs on 9-18V
$39.95
Availability: Usually ships the next business day
RAM70
Ship Alarm Buzzer
This is the klaxon sound used for general quarters on military ships.
The sound is activated using a servo arm which swings to make contact with a momentary switch. Servo not included.

-Digital Sound
-2" Speaker (included)
-Runs on 9-18V
$39.95
Availability: Usually ships the next business day
RAM67
Sonor Ping
The sound is activated using a servo arm which swings to make contact with a momentary switch. Servo not included.

-Digital Sound
-2" Speaker (included)
-Runs on 9-18V
$39.95
Availability: Usually ships the next business day
RAM68
This item is currently out of stock!