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Forum topic by Redoak49 posted 07-14-2017 02:02 PM 482 views 0 times favorited 7 replies Add to Favorites Watch
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Redoak49

2889 posts in 1822 days


07-14-2017 02:02 PM

I want to build a Bluetooth speaker for my shop with 4” speakers. I have to admit that I know very little about the boards and parts.

Can someone who has actually built one recommend a specific Bluetooth board and amplifier, speakers, and controls.

I have found various boards and some have built in control buttons and others require additional parts. If possible I would like it rechargeable.


7 replies so far

View jonah's profile

jonah

1443 posts in 3132 days


#1 posted 07-14-2017 02:32 PM

While I fully support people taking the initiative to build their own stuff, you’re going to end up paying several times more than it would cost to buy something off the shelf. Just so you’re aware. I’d be shocked if you could build something for less than $200, where you can buy something very nice off the shelf for $50-$100.

View Gilley23's profile

Gilley23

375 posts in 216 days


#2 posted 07-14-2017 02:44 PM

It can be made for way way less than $200…..maybe $50ish depending on what you already have and what you decide to use. The main thing is what speakers are you going to use?

Here’s a Bluetooth amplifier/receiver for $12:

https://www.amazon.com/gp/product/B01BTJZFY6/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1

View Dustin's profile

Dustin

404 posts in 574 days


#3 posted 07-14-2017 03:01 PM

Yeah, I made mine recently (links to parts in my projects) and spent way less (no rechargeable battery, though). It depends on how much stuff you already have. I got an oversized (for this application) power supply and bluetooth board (the one linked above) for about $22, $30 for a pair of 4” Kenwood speakers (lots of folks use cheaper ones), and $18 for the lumber (walnut and curly maple). All said and done, $70. It certainly sounds better than other bluetooth speakers I’ve heard in that price range, and definitely looks better (to me, anyway).

-- "Ladies, if your husband says he'll get to it, he'll get to it. No need to remind him about it every 6 months."

View Rich's profile

Rich

1974 posts in 423 days


#4 posted 07-14-2017 03:02 PM

There’s another thread going about doing the same thing. It’s focused on finishing the cabinet, so it might not have popped up in any searches you did. Matt might be able to answer some of your questions.

http://lumberjocks.com/topics/229793

-- No matter how much you push the envelope, it'll still be stationery.

View Mainiac Matt 's profile

Mainiac Matt

7452 posts in 2162 days


#5 posted 07-14-2017 03:30 PM

Hi Guys….

There’s a ton of info on Youtube documenting BT speaker builds in various levels of detail….

I like a channel by a guy named Kirby who is all about building speakers and setting up amps, etc…

I actually find his build videos relaxing to watch and think his filming style is very good…. but he give links in his videos to all types of component suppliers. This is one of the good ones…

As for cost… I picked up the speakers I’m using NIB for free from the swap shop at the dump and bought the BT amp board for $12. I have a box of wall wart power supplies that I’ve collected over the years and am using panels from my scrap bin and one virgin board of poplar…. so depending on what you have laying around and how into it you want to get, the cost can be low or high… I wasn’t looking for hi fidelity, just something to kick out the jams in the shop that I can control from my phone.

-- Pine is fine, but Oak's no joke!

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Rick_M

10606 posts in 2214 days


#6 posted 07-14-2017 06:07 PM

I have less than $100 in mine. Box is built but electronics are unassembled because I changed amps after the first was a dud and then other things took priority. Some people use HiFi speakers with known parameters and calculate box size, others use car speakers and guess; I did the latter.

-- http://thewoodknack.blogspot.com/

View hotbyte's profile

hotbyte

989 posts in 2809 days


#7 posted 07-14-2017 08:58 PM

Daughter gave me a waterproof BT speaker – we are also boaters. I like using it in shop and around house doing project because I can hose it down when it gets saw dust and Sheetrock mud/dust all over it.

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