Summer Project - Make an INSANELY LOUD Bluetooth Amplifier!


Here's the amp we'll be using Amazon: http://amzn.to/2gNimAD
eBay (ships globally): http://ebay.to/2mc8Q0g

Amazon UK: https://www.amazon.co.uk/gp/product/B018FX57IS/ref=as_li_qf_sp_asin_il_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=B018FX57IS&linkCode=as2&tag=di05e-21


In this video we'll be making a wireless bluetooth-enabled amplifier so that we can put old bookshelf speakers to good use!
Not only is the sound quality fantastic, but it can also go super loud! It's also quite easy to build, and doesn't require any special tools - you can get away with just a hammer, nail, and a screwdriver if needed. Seriously!



Full parts list (includes international purchasing links):
https://docs.google.com/document/d/1_QFMFvOnSVxPGSobcSUu6EKzrBZ9FB-dHIpLOE9gW3Y


Happy building!

Oh, by the way, here's the note about the little switches:

These switches change the gain mode of the amp. If they're both on, the amp can reach insane(er) volume levels. However, to hit these volume levels without distortion, the amp needs 25v, which is more than our batteries can provide. The amp is loud enough with them off, and it also means that the signal to noise ratio is MUCH improved, so I don't really recommend messing with them.

Видео загрузил: DIY Perks


Просмотров: 1485035
Добавлено: 1 год назад
Длительность: 9:6
Комментарии: 3472

Тэги для этого Видео:amplifier  sound  music  loud  bluetooth  wireless  audio  streaming  ipod  bose  beats  system  melhobankof  dekonifenta  diy  make  bass  project  boombox  Do It Yourself (Hobby)  summer  diyperks  record  cd  tunes  orchestra  drums  bookshelf speakers  vinyl  dj  



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Комментарии:

DIY PerksDIY Perks (5 месяцев назад)
Now it's even cheaper! $11.88 from here, and it ships from the US: http://amzn.to/2gNimAD

CentripidleCentripidle (5 дней назад)
Here Now

Oh.

I thought these DIP switches were for Gain control for different frequencies ... but I could be wrong.

Thanks for getting back to us with this info.
I appreciate you helping out.

Here NowHere Now (6 дней назад)
MyBigThing2010 + Centripidle - I have found some other videos on Youtube about this board. One of them explains that the 2 little switches numbered 1,2,3 and 4 are adjusted to different positions to suit particular Ohms ratings.
Centripidle, it does sound like you have a faulty board. It doesnt seem to me that you have done something to overload it though ?
If you type TDA7429P into the Youtube search bar, you'll find a lot of videos about this board. Hopefully the info in some of them will help you determine if you're actions are the cause of the problem or not. Also, the switch positions for different Ohms ratings.

CentripidleCentripidle (6 дней назад)
MyBigThing2010

That's probably the case.
I'm using 3 Ohm speakers which yes ... I know are not specified for this board, I just thought I could get away with them.
Clearly not, I think I may have damaged my board or have received a defective one.

Whenever I turn my board on, it shuts off randomly even if I'm not connected via Bluetooth, or playing any music.

It shuts off even when there's no speakers connected. Then immediately turns back on.

Definitely something wrong with the board.

I feel as if I had a part in damaging this board.

I should've listened.


However, recently I have tested a pair of 4 Ohm speakers rated at 10W each and the same problem occurs.
Turns on - switches to pairing mode - connects to phone - plays for a couple minutes - turns off - turns back on - flashes red continuously.

Each time this happens, I'm forced to pull out the DC Power Jack out of the board. Then reinsert and hope for the best it works again.
Most of the time it does, but other times when I insert the power, it turns on and off repeatedly.

Its more of a gamble rather then a play around.

MyBigThing2010MyBigThing2010 (6 дней назад)
DIY Perks dude, I'd try different speakers...the impedance of the ones you're using might not be in spec worth what the board likes...n you've been a victim of Mr Yuan! I'd complain and get a replacement or refund...Mr Yuan sucks! ...if you have a multimeter...measure your power supply and double check that the power supply isn't pulsing over voltage when it senses a current draw difference in the board...the board should be self regulating but if your power supply is forcing over current or over voltage pulses/spikes...that heat has to go somewhere and that might be causing a thermal shut down...

just tossing or ideas.. I feel bad for ya cuz i love mine...mine does "clip" at high, high volume with lots of bass demands in the song but I am running 2 shelf speakers off it and only using 19 amps so I know my conditions and improper use/demands causes the only issue I've had...n i tested my red LED and it does work, just never turned on during operation for me

CentripidleCentripidle (7 дней назад)
MyBigThing2010
Yeah it still works surprisingly enough.
But shuts off at random intervals. Even at around 60% volume at continuous use, it shuts down.

quinxx12quinxx12 (4 часа назад)
Nice man love it! How long do the batteries last at moderate volume? And why didnt you use Li-Ion batteries?

teemuntubetusteemuntubetus (5 часов назад)
You do REALLY high quality videos! Good job man!

Mike HarrisonMike Harrison (22 часа назад)
So, do you have to take it apart to charge it?

Sea City420Sea City420 (1 день назад)
can i buy this pre made

john rowlandjohn rowland (3 дня назад)
I'm attempting my first speaker build for my motorcycle using my very own design. I'll link it to you if it works ok.....Thanks for the information!

Hubert MonengHubert Moneng (5 дней назад)
Is it possible to change the power source to a USB for Power Bank or wall chargers?

Enciu MarianEnciu Marian (6 дней назад)
does anyone knows the specs for the speakers that he used? watts? ohms? ty

Enciu MarianEnciu Marian (6 дней назад)
DIY Perks thanks man, great vids, keep up the good work.

DIY PerksDIY Perks (6 дней назад)
+Enciu Marian 70w 8ohm, Tannoy F1

MarfeezasMarfeezas (8 дней назад)
How the amplifier can be loud? lol

Photonic_ InductionPhotonic_ Induction (12 дней назад)
50w per channel ?! assuming that its 90 % efficint that woud mean that 10 w are pure heat wich woud surely fry the chips ...

Abiel HernandezAbiel Hernandez (12 дней назад)
anybody thats build this, how long does the battery last before you have to recharge?

CinabuttsCinabutts (13 дней назад)
Not a very useful video. all you really did was make a bluetooth adapter which are sold online by the thousands. I like the design though and how simplified you've made this for beginners.

Kaustubh SamantKaustubh Samant (14 дней назад)
what is name of the music that u were playing?

Mar coMar co (14 дней назад)
how long is the playtime ?

linxfillinxfil (15 дней назад)
Great upload thank you I may try this. A newbie question (please excuse my ignorance) as for power, could I use something like this (eBay number 371145122088)

Tawseef Ali KhanTawseef Ali Khan (16 дней назад)
my speaker run on AC supply with 3.5 mm jack how can I install this to my speakers

Daniel GadenDaniel Gaden (17 дней назад)
Can you charge the batteries without removing them?

bigbeeforeverbigbeeforever (18 дней назад)
is it possible to do this project with spare 18650 batteries, basically a spare battery I don't use. Would be nice to just charge and play.

Seth LevineSeth Levine (18 дней назад)
Can this be used for subs?

ATV KelčaATV Kelča (19 дней назад)
I think it´s fake because this battery pack that you used in video can not deliver enought current for amplifier and of course this amplifier is tested by popular youtubers and everbody says that this amp is not 2x50w but only 2x35w. And this amplifier is so unefficient that it need 4 to 6 Amps on maximum volume and this current will destroy these batteries in like 30-45 minutes...

It's KaceDia21 A.It's KaceDia21 A. (20 дней назад)
This question may be a repeat, but how do you recharge the battery?

hassan ahmadhassan ahmad (21 день назад)
how much amp it need

Simon LiuSimon Liu (21 день назад)
+DIY Perks How can i connect this board to one speaker? Do i just use one channel?

Proton PersonaProton Persona (21 день назад)
hi, im really enjoy watching your builds and i also bought one of the same amplifier chips which is very impressive. By the way, may i know what camera ate u using to record this video especially during the outdoor testing session, the video quality looks fantastic.

George HanksGeorge Hanks (22 дня назад)
HELP PLZ!!! i brought the same board but when i plug in the power the red led comes on for a few seconds then fades away. no blue led comes on. I am using a mains 12v dc adapter

George HanksGeorge Hanks (22 дня назад)
i have fixed this problem

Danny hDanny h (22 дня назад)
i am planning on using this for a portable speaker, 1x 10 inch sub and 2x 5 inch mids and 2x 12 inch bass radiators. but i had one thing: how hot does it get since it will be inside an closed enclosure.

Latevis TechLatevis Tech (23 дня назад)
I just know the amplifier is so hot that i need add a powerful fan to cooling

9thangle9thangle (26 дней назад)
I built mine and when I plugged it in nothing happened. The only thing I see different on mine is the tip of the male plug on mine is yellow and yours is black. Would this make a difference or have I done something else wrong. I've gone back through the video and done everything just as you have. Thanks.

BlazingFringe StudiosBlazingFringe Studios (26 дней назад)
It's really hard to be impressed by something on the internet these days... but you sir!! you blew my away!!
Your DIYs are off the charts cool!
Keep it up man!!

Daily RiderDaily Rider (26 дней назад)
Any reason you could not use 4 18650 lithium ion batteries? 3.7v x 4 = 14.8v

Philip WheelerPhilip Wheeler (27 дней назад)
I built one thanks for the videi, but at low volume there is an annoying buzzing, any ideas to fix it?

Splash BoySplash Boy (28 дней назад)
make it with a reachargeable battery. sorry for my english!

Isaac DahlgrenIsaac Dahlgren (28 дней назад)
i can't find the bind button for the bluetooth. it worked for a sec then both lights turned off and they won't flash. even if i unplug and plug in again

George HanksGeorge Hanks (28 дней назад)
How long does a set of batteries last for and could you swap it for a Lipo battery pack?

Lim Chun ZheLim Chun Zhe (1 месяц назад)
Hi, just two quick question regarding the amp chipset. Is the audio output from the amplifier Stereo? And also, the AUX in is it stereo too? Nice vid btw

Shaun MostertShaun Mostert (1 месяц назад)
How long do the batteries last ?
What were the specs on the speakers in terms of watt's ?
Great project, I'm going to try thins with my own twist...

Creeper spieltCreeper spielt (1 месяц назад)
What Song do you Play to show, how loud your speakers get?

Pangea HighPangea High (1 месяц назад)
Louder doesn't mean good sound

MyBigThing2010MyBigThing2010 (1 месяц назад)
frig! I had to just buy this! ...TOTALLY not budgeted so...hmmm this ought to be interesting...all well...I'll have a new toy in 2 days with prime and it was only like $12

MyBigThing2010MyBigThing2010 (1 месяц назад)
EXCELLENT! ...I'm finding some really good stuff on this channel! BUT it's getting my project mind and budget going out of control!

Sjoer dSjoer d (1 месяц назад)
Could you use a step up boost converter to boost the voltage to 24 volts and thereby increase the quality?

Christian LucatinoChristian Lucatino (1 месяц назад)
What's the song name

Cool Toch GamesCool Toch Games (1 месяц назад)
HOW DO YOU CHARGE THE BATERYS

nice video

ديبو ميكسديبو ميكس (1 месяц назад)
could you tell me how to build attenuator to convert line level out of any mixer to mic input level in hp8460p

Czar ZenanaCzar Zenana (1 месяц назад)
When played loud those batteries will run out very quickly. My guess would be less than half an hour. Because of the higher voltage it will play louder when Alkaline batteries are used instead of rechargeable ones. My advice would be to use four or five good quality Li-Ion 18650 rechargeable batteries* in series, but still the playing time will not be very long.
Since those speakers aren't really portable you can use a notebook power supply (15-21 Volts) instead of batteries and run them from the mains.

* to be safe, use protected Li-Ion batteries from a trusted source (so NOT China).

Keith HankinsKeith Hankins (1 месяц назад)
Love your work! Thanks for the cool projects!

ofek mlofek ml (1 месяц назад)
speaker sound is stereo AKA fake.

TekReviewsTekReviews (1 месяц назад)
No mention of battery life testing.

Jae B.Jae B. (1 месяц назад)
Nice! Really impressed! Might tackle a similar project soon! Keep up the good work

sergeant HAWKsergeant HAWK (1 месяц назад)
Would these spekers work
https://www.amazon.co.uk/gp/aw/d/B00HUH9BAG/ref=mp_s_a_1_1?ie=UTF8&qid=1492198281&sr=8-1&pi=AC_SX236_SY340_QL65&keywords=50w+speaker+cone&dpPl=1&dpID=51MaRyX8TqL&ref=plSrch

With this amplifier
https://www.amazon.co.uk/gp/aw/d/B01KB9GFY4/ref=ox_sc_act_image_1?smid=A30L2KD589ZCAC&psc=1

Daniel HutchinsonDaniel Hutchinson (1 месяц назад)
not sure if this video is still being commented on but I was just wondering what the current draw of this amp will be because will be using a 12v 2600mah rc car battery pack

hope some one can help
cheers Daniel

Rendy IrawanRendy Irawan (1 месяц назад)
Awesome video! I didn't know that there are Bluetooth audio boards that has a power amplifier built in. I have one question though. How would you say the sound quality is compared to hooking the speakers up to a conventional power amplifier? You already demonstrated how loud it is, but what I would like to know is how the lows, mids, and highs compare to using the speakers hooked up to a power amplifier. Could you please describe it? Thanks!

PlanetGamingGGPlanetGamingGG (1 месяц назад)
The sound is very2 nice

Nathan SabinoNathan Sabino (1 месяц назад)
can it work with and old notebook power adpter? i have one with regulation with come from 9v, all the way to 19v. Are any modifications needed?

Martijn AalbersMartijn Aalbers (1 месяц назад)
if i want to set up 3 speakers do i have to set up the speakers in serie or parallel?? (my English isn't the best)

Adam SlawsonAdam Slawson (1 месяц назад)
This DIY is a great hack to the car battery boombox cooler. How long do the batteries last in one use? I want to build something like this but use marine boat speakers in a cooler for my tubing escapades here in Atlanta.

MT LMMT LM (1 месяц назад)
Great vid thanks for sharing! How long do the batteries last?

mike yanmike yan (1 месяц назад)
no bass at all no good

PodaPoda (1 месяц назад)
Remember that LOUD, is not the same as good.

Pi GuyPi Guy (1 месяц назад)
Why disentangle you 3D print the case?!

Nazreen HassanNazreen Hassan (1 месяц назад)
Would you be able to recommend a WiFi amp instead? That could be handy for having a multiroom speaker setup :)

Adam MessmannAdam Messmann (1 месяц назад)
What track was used in the beginning (for the demo)

Edward MorleyEdward Morley (1 месяц назад)
does the amp work with standard power from a home outlet? I know its deferent for us vs eu but what I mean is same project just without batteries.

gulaschhorstgulaschhorst (1 месяц назад)
is it also possible to use 2x6AA battery holders ?

DahlDahl (1 месяц назад)
what do i do if i only wanna wire up one speaker?`i didnt quite understand what you said

LucaBumbleLucaBumble (1 месяц назад)
How long until the batteries are depleted ?

Halloween111Halloween111 (1 месяц назад)
I had a similar board that cooked itself. My guess was a bad board.

SibaNLSibaNL (1 месяц назад)
Can't I use some big battery instead of all those tiny batteries, like a lithium battery or something?

Isaac Cervantes IIIIsaac Cervantes III (1 месяц назад)
built it... but it only pairs with apple devices.... not my trusty android.. it is loud, clear music.. but I can no connect android. how for to make it to werks?

Aravind krishnaAravind krishna (1 месяц назад)
I have 4 car speaker's removed from my car so I want to use them

Aravind krishnaAravind krishna (1 месяц назад)
diy perks can you please make a video on how to make a 4 channel speaker setup

jesus sanchezjesus sanchez (1 месяц назад)
How long do the battery's last?

Eduardo HernandezEduardo Hernandez (1 месяц назад)
u look flicking gay

Eduardo HernandezEduardo Hernandez (1 месяц назад)
r u gay

David RierDavid Rier (1 месяц назад)
Eduardo Hernandez That is not a good Pickup line.

Greg SmithGreg Smith (1 месяц назад)
I've got this board up and running with some $5 speakers I found at a thrift shop and it's a terrific value. Any chance you're interested in making a tutorial for a matching 18650-based battery pack instead of AAs?

Thedailyguy.comThedailyguy.com (1 месяц назад)
does it work with iphone ?

nikoloko112nikoloko112 (1 месяц назад)
Hi!! How long does the battery takes?

BobbyJayBobbyJay (1 месяц назад)
I see you've overshot your drilling once by the mark on the table..

Mark DavisMark Davis (1 месяц назад)
What song is playing at the 1 minute mark?

ajith chandrasiriajith chandrasiri (1 месяц назад)
nice

PC_McCheese :DPC_McCheese :D (1 месяц назад)
What is that song?

BP MusicBP Music (1 месяц назад)
what is the polarity of the power jack

DaniyDaniy (1 месяц назад)
*Очень Крутая идея!!! Видео Снято на высшем уровне!!!*
*Лайк из РОССИИ*

SpaceDogeSpaceDoge (1 месяц назад)
$12 for the board is a friggin steal

diablowrathltddiablowrathltd (2 месяца назад)
Can anyone tell me the song at 1:10?

jonas Andersenjonas Andersen (2 месяца назад)
What kind of speakers did you use?

TheIronDanTheIronDan (2 месяца назад)
Can this be done with any speakers

George ClarkeGeorge Clarke (2 месяца назад)
Subbed instantly :D

anonymous oneanonymous one (2 месяца назад)
This is two years late saying as I just have watched the video, but I can confirm that he isn't lying about the audio. Having watched his portable mic build before this I know he has the audio gear to record at a level that is going to be higher quality then what most peoples headsets and or speakers can reproduce, an added bonus to my claim is I have recreated this genius device and tested it, and it really does work. Keep up the amazing work +DIY Perks

LEZevilLEZevil (2 месяца назад)
Can I just buy it from you lol. I've always wanted that for my stereo speakers.

Payton SeatsPayton Seats (2 месяца назад)
Mr. Perks,
First off this is an excellent resource for all kinds of out of the box creative projects - I especially love all of the audio related videos! I am trying to see if I could use a set of bookshelf speakers as recording monitors instead of buying expensive ones at the audio store. I realize the sound output would be different and lead to differences in mixing because of the nature of studio monitors, but for my wallet's sake - I thought I would give it a try.
The only problem is see is the latency and signal load created by Bluetooth as well as a lack of Bluetooth output on my audio interface. Can you think of any way to make the connection between the interface and the amp a physical one? Or at least a way to convert 2, 1/4 audio jacks to Bluetooth without loosing too much quality?
Thank you for your help & seemingly endless wisdom!

Floris Van den DoolFloris Van den Dool (2 месяца назад)
If I am going to use 2 50w 8ohm speakers and connect them with this amp, how big does my battery pack has to be in Mah?

locoo1locoo1 (2 месяца назад)
I like your videos but this is already second video where you use Nicd bat and not Liion ?

I Am AyceI Am Ayce (2 месяца назад)
what model of speakers is he usuing?

Zeissler MusicZeissler Music (2 месяца назад)
Very funny video, i like it and how you make the amp.

drag0n4122drag0n4122 (2 месяца назад)
this is not what your title implies thanks for misleading me and costing me money!

Philip WheelerPhilip Wheeler (2 месяца назад)
Thanks for the build, could I add a rotary volume control, if so could I just put it between the amp and speaker?

yO_SoaRyO_SoaR (2 месяца назад)
It's possible tout use the jack for music with this card ?

Lewis_ L1Lewis_ L1 (2 месяца назад)
Quick clarification if I was to buy a 12v 2.1mm jack male power supply and change the male jack to female would that work as a charger for the batteries

brian petersonbrian peterson (2 месяца назад)
Who did your landscaping?

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