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Lopez Timothy White Elizabeth Harris Kenneth

hey in that amplifer module the chip not texas instruments marked

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This one seems to have the biggest electrolyte capacitor of all tpa3255 kits in the market. with 2x4700uF

so basically need good airflow?

Could you please give me the parameters of R71 and R72? Value, wattage etc?

This amplifier is useless. what are you going to do with so many watts when ic. boils long before max watts. Too small heatsink

What do you mean the heatsink isn't big enough? I have a 3500w power acoustik razor3500d and beating down the block for almost an hour, it barely get warmer than my hand.

Could you please make a video about the best 5volts amplifier

thanks

UF 😂😂 thats MF - MicroFarad

Can I connect an active subwoofer to this pre out output?

So what you are saying is these amps are very problematic

I noticed that the coils moved easily when you poked them. They should all be glued to the board to reduce vibration. Overall, it's a good board for the price. But class D can be done so much better. The world is already awash in cheap mediocre amps like this one. Especially with Korean engineering and Chinese production. There are some great class D amps with just a few extra components - but they're ridiculously priced for no reason other than pure greed.

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Nice job, looks good. Thank you! But what i see when I tested small amplifiers, is that the heat is normal. You send 1Khz to the amplifier without pauses (music is not continues) and that will heat up the radiator. Normally this will not happen when you playing music so it wil stay cooler. But i like the way you test, nice! 💯

Sound like fun, I'm gonna Try out some of these class D baby power amps, they seem to have a small nice protection system in them to encourage us 💙

2 things, change the small heat radiator, add some fast capacitors for eliminate 400Khz carrier.. should be useful for the workshop !

48V x 5A = 240W. So how can it produce an uptput of '300W+300W? Only RMS values are of any use. These values quoted are PMPO.

What is the plug called

Please don't buy it , excessive heat generated, even in stand by mode. No air circulation option. 😢

😂😂 the heatsink is touching the capacitors.

Hello ,whats minimum voltage required for this amp

300 watts of class D noise packed with distortion. PurePath, not sinusoidal. Some kind of Chinese PWM trickery.

I use large Heco Aurora 1000 speakers and after burning my Yamaha V6A due to the high volume I bought two class D amplifiers; Fosi audio V3 and Fosi audio ZA3 with the TPA 3255 chip. Fosi audio V3 can give a higher volume compared to the ZA3 but the sound of both is better than my Yamaha V6A and they both manage to satisfy my Haco aurora 1000 speakers without problems and do not heat up too much by using a power suplay of 48V 5A.

What a terrible commercial!!!

Ale sciemniasz tyle watow z badziewia nie ma mowy 3waty max i tyle komu dugerujesz głupotę

Cool.

Seems unclear here though what the max SPL is at say 1 meter from source being a phone or laptop.. it’s to relative to say ‘it’s not that loud’ type a thing !

thanks

Price and availability

Can you turn off bluetooth in the BT30D pro? I want to use another BT device with LDAC via the rca port but the built in bluetooth stays active.

My friend, if that is your real voice in the video, and not A.I. generated, then your English is nicely progress

No way that small chip can produce 300 watts RMS per channel

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There were a tone of those amplifiers boards dumped onto the market. Most are "repaired" boards that were returned after failing in their primary application. Check these boards *very* carefully before you fire them up. The chart on the front pages of the data sheet tells the story .... at low distortion.... 100 watts per channel on 8 ohms and 200 on 4.... The 300 claim is for 10% distortion which would drive the chip into protection in very short order.

Which one you said has cleaner 50 watt power? Thnaks

Just remember that playing music through a Class-D amp isn't going to generate as much heat as pumping a constant sine wave through it will.

Heatsink is undersized and unusable for 120w

listening test through youtube is USELESS! You can hear if speakers color a lot on some frequency or if it has too much or too little treble or too much or too little bass. But you will never be able to hear the difference between two amplifiers!

I would recommend the LJM L15D class-d which is a better amplifier. 150 watts measured by me.

the amplifier is built 100% the same as many other cheap class-d except for a different amplifier ic. So the same weaknesses as many others

watts in the data sheet are in 10%THD which is very common for this type of amplifier ic. 10%THD is a useless measurement and not nice to listen to. You should measure watts in 1%THD and then you will get MUCH MUCH less watts out of the amplifier! Also see that THD is measured in 1 watt, which is USELESS as you will always get better THD in 1 watt than 100 watts. THD= total harmonic distortion. The factory does not write the whole truth. It looks like it's a better amp than it is. Heatsink never manages 128w watts either

I may have missed it, but was the output Peak or RMS?

Nice parts, with the exception of the non-shrouded/shielded output inductors. Also poly film type capacitors on the output stage are preferred.

Lovely review <3

Aiyma a07 max comes in case with PSU

Nice to hear the comments from your viewers.. Please try the IRS2092, it is more powerful than that due to the mosfet output drivers and the ic only is the controller, not like this on the video that the ic itself is the amp.

great video