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Old 18th June 2017, 05:07 PM   #1
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Default Amplifier for my pc loudspeakers

Hi all, I would like to replace my Logitech 2.1 sound system connected to my computer with better loudspeakers and a subwoofer. I bought a cheap 8'' sub and have two Magnat Alu Needle satellites. Could you please help me and tell me what amplifier I should buy? As far as I understand, the TPA3116D2 should not be connected directly to the computer. But what should I connect in between? Thank you
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Old 18th June 2017, 05:19 PM   #2
rayma is offline rayma  United States
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Quote:
Originally Posted by bawde View Post
the TPA3116D2 should not be connected directly to the computer.
But what should I connect in between?
Some boards, like this one, have the needed volume control built-in,
and can connect directly to the PC.
https://www.amazon.com/SMAKN-TPA3116...66QZSQSB3KTCST
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Old 18th June 2017, 05:23 PM   #3
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Can I recognize this on the built in volume controller?
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Old 18th June 2017, 05:31 PM   #4
rayma is offline rayma  United States
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Quote:
Originally Posted by bawde View Post
Can I recognize this on the built in volume controller?
Not sure what you mean. If the board has at least one knob,
then it will have a volume control.
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Old 18th June 2017, 06:14 PM   #5
Bigun is offline Bigun  Canada
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Quote:
Originally Posted by bawde View Post
Can I recognize this on the built in volume controller?
For the computer to be able to control the volume of an external amplifier it would need to have a digital interface. This one linked above does not. You could use the volume control in your computer and keep the external one set at some convenient level. Or you could use the external control and leave the computer volume at some convenient level. The one that is linked above needs a case and a power supply though.

I would suggest you buy something all ready complete. Something that just needs a wallwart power supply.

For example (there are many if you search, but don't buy a headphone amplifier by mistake, it must state that it's suitable for speakers): http://www.ebay.ca/itm/Douk-Audio-TK...YAAOSwAoRXFaSd
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Last edited by Bigun; 18th June 2017 at 06:19 PM.
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Old 18th June 2017, 09:12 PM   #6
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Ok thank you May I should buy this one https://www.amazon.de/Nobsound-TPA31...ords=TPA3116D2
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Old 19th June 2017, 05:47 PM   #7
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Hi all, is a 12V 3A power supply ok for the TPA3116? I got this power supply in my closet
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Old 19th June 2017, 05:50 PM   #8
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Can you accept a discrete solution?

Class D for a first DIY project post #3.
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Last edited by Osvaldo de Banfield; 19th June 2017 at 05:57 PM.
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