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HiFiMAN Arya Stealth vs Sennheiser HD 660S2

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

HIGHER SCORE
HiFiMAN Arya Stealth
9.2
/ 10
Over-earReference
Sennheiser HD 660S2
9.1
/ 10
Over-earHigh end

Specs comparison

9.2/10
SCORE
9.1/10
32Ω
IMPEDANCE
300Ω
94dB
SENSITIVITY
104dB
Yes
NEEDS AMP
Yes

Analysis

The HiFiMAN Arya Stealth scores 9.2/10 with 32Ω impedance and 94dB sensitivity. At 32Ω, it benefits significantly from a dedicated amplifier.

The Sennheiser HD 660S2 scores 9.1/10 with 300Ω impedance and 104dB sensitivity. At 300Ω, it also benefits from amplification to perform at its best.

Based on our scoring, the HiFiMAN Arya Stealth 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 →Arya Stealth details →HD 660S2 details →

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