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AB350M pro4 and B450M pro4 with 250 ohm headphones

Printed From: ASRock.com
Category: Technical Support
Forum Name: AMD Motherboards
Forum Description: Question about ASRock AMD motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=9588
Printed Date: 22 Jul 2025 at 4:19am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com


Topic: AB350M pro4 and B450M pro4 with 250 ohm headphones
Posted By: Incantator
Subject: AB350M pro4 and B450M pro4 with 250 ohm headphones
Date Posted: 01 Sep 2018 at 9:21pm
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So I want to drive Beyerdynamic DT 990 Pro (250 ohm) with either of the motherboards, but I'm not sure whether those to can or not. I've searched for the manual but the information was lacking. I've even heard a phone driving the headphone to some extent, so I'm expecting the motherboards to drive them well.

Can those two motherboards drive DT 990 Pro or not?



Replies:
Posted By: kerberos_20
Date Posted: 01 Sep 2018 at 9:54pm
audio chip is same on both boards
not sure what 250ohms have to do if dac can drive it or not, but usualy low resistance is good for bass and high resistance for trebles

low resistance requires more power

alc892 sheet says it supports up to 600ohms

your headphones can get max 0.1watts so anything can drive them


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Posted By: Incantator
Date Posted: 02 Sep 2018 at 6:32am
Thx, gotta go for those motherboards rather than x470 ones.



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