Uploaded August 2025 | Updated September 2026, 6 days ago

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ThieAudio's Monarch series has been a top contender among the very best IEMs on the planet, and while ~$1,000 is no small sum, ThieAudio's flagship is often competing with IEMs more than double its price. And now... it's competing against ThieAudio's own Valhalla is a new contender, but how does it compare with the latest Monarch mk4? And are these among the best IEMs you can find at any price? Let's talk about it.

See the ThieAudio Valhalla on...
- Squiglink: squig.link/?share=Harman_Adjusted_Target,Super_22_Target,IEF_Comp_Target,ThieAudio_Valhalla
- Bloom Audio: bloomaudio.com/products/thieaudio-valhalla

See the ThieAudio Monarch mk4 on...
- Squiglink: squig.link/?share=Harman_Adjusted_Target,Super_22_Target,IEF_Comp_Target,ThieAudio_Monarch_mk4
- Bloom Audio: bloomaudio.com/products/thieaudio-monarch-mk4

00:00 Intro
02:00 Build quality
08:05 Fit & comfort
13:31 Sound quality
21:15 Comparisons
29:10 Conclusion & Rating

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Disclosure: This video is NOT sponsored, but Bloom Audio did loan these earphones to me for review. Check them out at bloomaudio.com

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#ThieAudio #flagship #Monarch #Valhalla #IEMs #headphones #audio #audiophile #SuperReview