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Side-by-side comparison — scores, specs and which one fits your setup.
Specs comparison
Analysis
The Sony MDR-1AM2 scores 7.8/10 with 16Ω impedance and 100dB sensitivity. At 16Ω, it drives well from most phones without an external amp.
The Sennheiser HD 25 scores 8.2/10 with 70Ω impedance and 96dB sensitivity. At 70Ω, it can be driven directly without extra hardware.
Based on our scoring, the Sennheiser HD 25 scores higher overall. However, the right choice depends on your full audio chain — use our analyzer to see which fits your actual setup.
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A high headphone score doesn't mean your audio sounds great. Your DAC, amp or source might be the real bottleneck.