Carry Cooler Box Speaker




I integrated power amp and a speaker into small carry cooler box.

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Step 1: Power Amp PCB

I maked power amp with LM386. I use one LM386 for one channel.
PCB is fixed with double-stick tape.

Step 2: Speaker

In this cooler box, the inside became dual structure. Therefore, I fixed the speaker in an internal housing.
I used a screw for fixation and blocked up the gap with silicon.

Step 3: Waterproofing and Wiring

I thought about waterproofing of a speaker and covered it with Tupper. And I filled up a gap with silicon in the same way.
A battery uses 006P.
A battery is fixed with a board of aluminum like a picture, because I do not enter a gap of a housing of dual structure.

Step 4: Suitable for One Person Hiking

Music and beer! It's the best combination.

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    12 Discussions


    11 years ago on Introduction

    I had the same idea but with no beer in mind, I'm using an ammunition can. I am though, having circuit problems. Below is the wiring diagram that I used. Tell me if i need to change anything because it buzzes and the amplified audio is choppy.

    2 replies
    Mr. Rig It

    12 years ago on Introduction

    Good Job! Here is a suggestion. Try hooking up a solar cell and a rechargeable battery and keep the battery charged.

    1 reply

    12 years ago

    cool.. i've been looking for something like this for ages.. but i'm really new in this..can you just get the power amp circuit board at a store? what about the little electronic things on it, you get it with the board or seperately? thanks anyway..

    1 reply

    12 years ago

    Where does it power from? I dont see the power source =S

    1 reply

    12 years ago on Step 2

    Very cooooooooool !! Are the speakers big enough, how is the sound ? I like it !. Congrats. Chefmichel


    12 years ago

    Excellent idea... cooler + music = great time

    good job on the instructable (well documented pictorially)

    1 reply

    Reply 12 years ago

    Thanks Murf. I was anything weak in English, and it was difficult to explain it. But did you understand it with a photograph?