In need of good class D amp

[Miosp]

Hi everyone.

I recently made a boombox and bought sanwu audio TDA7492 2.0 2x50W AMP. Not only I got faulty one (around 5 pops when turning on and 1 after stopping playing music), I also broke it with my 4Ω speakers and 90W power supply and now it heats up to 60°C when idle or working.

So here is my question. I want to buy a new amplifier, but i don't know which to buy. I need 2 channels, something that suits my 90W power supply, lots of gain (the dip switches were awesome for me because i use my kit outdoors sometimes [when on gain I do not care about noise, but indoors would be noticeable]), bluetooth. Budget is ~20$

This will be my second amplifier, so any modifications to the board would be hard for me.

Send help.

 

[grahamgraham]

Perhaps this? I have had good results with it.

#Aliexpress ￡11.40 | TDA7498E 160Wx2 Power Digital Amplifier Audio Board Dual Channel Stereo Sound Speaker Amplifier Support BTL Mode Module
TDA7498E 160Wx2 Power Digital Amplifier Audio Board Dual Channel Stereo Sound Speaker Amplifier Support BTL Mode Module on AliExpress

A bluetooth board and a dc-dc isolator and you're away.

Can you/will you solder?

Can be done for that budget.

 

[joeytvr]

I been looking at that amp. What power supply you recommend?

 

[Miosp]

grahamgraham yes, I can solder but i have not much knowledge about terminology and what will my modifications cause, so i would like to keep things simple. Maybe if there is some good board without gain control I could add one with someones help.

This board that you linked is pretty nice but it's a bit overkill for me and it has (I think it's not so good) 85% efficiency and it says it has bt but I can't see any antennas nor bluetooth modules.

 

[phase]

BTL isn’t Bluetooth.