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Sennheiser HD 800 vs Thieaudio Monarch Mk2

Side-by-side comparison — scores, specs and which one fits your setup.

Sennheiser HD 800
9.2
/ 10
Over-earReference
HIGHER SCORE
Thieaudio Monarch Mk2
9.3
/ 10
IEMReference

Specs comparison

9.2/10
SCORE
9.3/10
300Ω
IMPEDANCE
15Ω
102dB
SENSITIVITY
98dB
Yes
NEEDS AMP
No

Analysis

The Sennheiser HD 800 scores 9.2/10 with 300Ω impedance and 102dB sensitivity. At 300Ω, it benefits significantly from a dedicated amplifier.

The Thieaudio Monarch Mk2 scores 9.3/10 with 15Ω impedance and 98dB sensitivity. At 15Ω, it can be driven directly without extra hardware.

Based on our scoring, the Thieaudio Monarch Mk2 scores higher overall. However, the right choice depends on your full audio chain — use our analyzer to see which fits your actual setup.

Own one of these headphones?

A high headphone score doesn't mean your audio sounds great. Your DAC, amp or source might be the real bottleneck.

Analyze my setup →HD 800 details →Monarch Mk2 details →

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