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Thieaudio Legacy 4 vs 7Hz Timeless

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

Thieaudio Legacy 4
8.2
/ 10
IEMHigh end
HIGHER SCORE
7Hz Timeless
8.6
/ 10
IEMHigh end

Specs comparison

8.2/10
SCORE
8.6/10
16Ω
IMPEDANCE
14Ω
108dB
SENSITIVITY
104dB
No
NEEDS AMP
No

Analysis

The Thieaudio Legacy 4 scores 8.2/10 with 16Ω impedance and 108dB sensitivity. At 16Ω, it drives well from most phones without an external amp.

The 7Hz Timeless scores 8.6/10 with 14Ω impedance and 104dB sensitivity. At 14Ω, it can be driven directly without extra hardware.

Based on our scoring, the 7Hz Timeless 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 →Legacy 4 details →7Hz Timeless details →

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