If you do a search on the forum here - you will find a few posts on this. This is one I built, ditched the CD and now have an MP3 player. Hooked the MP3 to an FRS radio (transmitter) and to a FRS in the cooler (receiver) and now its remote control. Instructions on how do it are on this forum.
This is the one I built with directions from another web site, and how it looks with a coating of granite stone finish:
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Made up of 4 peices, a Coleman cooler, a PA horn, an amplifier and a CD player. I will be upgrading to a MP3 player when I can find a cheap one that suits my needs.
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The amplifier is a Radio shack unit #277-1008 - ordered it from the 1-800-223-8344. Came from Fort Worth Texas - paid about $14.00 US.
The Speaker is a Speco SP 5 unit - cost me $14.04 each to get two of them here as the company had a $15.00 minimum order - so two came to $14.75 US or so, by the time I added on the postage and duty, jacked the price up. Specs on the speaker are at this location and this is where I purchased them from - good guys to deal with:
http://www.wallcoinc.com/Speco_SPC_5...p-fslash-4.htm
Cooler cost under $6.00 from CTC.(Model # 5205A753G).
I painted it with white Krylon Fusion paint, but for whatever reason, it isnt sticking all that well - so redid it with Tremclad flat white - no worries now. Also did the PA horn. Heres how it looks all closed up (am going to add some grey and black tones later):
Attached the speaker to the underside of the cooler flip lid so it can store away while in transport. When in use, flip it over and the electronics are inside and the speaker on top. I am going to throw a hand warmer in there as well to keep the battery in the amplifier warm:
So when its all set to go, will be like this, amplifier in the cooler and cable to the MP3 / CD player. A buddy of mine has 30 feet of wire and we will splice and solder it together and will be all set for wolves & coyotes:
Some other ideas on putting one together:
http://www.arkansaselkhunter.com/E-Caller.htm
http://www.nodakoutdoors.com/forums/...ic.php?t=20626
Digital sound files:
htthttp://www.ewcalls.com/call-sounds-single-files.
htmp://www.western-rivers.com/sound.htm
http://www.fws.gov/video/sound.htm
http://www.varmintal.com/ahunt.htm#Calling
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