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Sennheiser CX True Wireless vs HiFiMAN HE400SE

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

Sennheiser CX True Wireless
7.2
/ 10
True WirelessMid range
HIGHER SCORE
HiFiMAN HE400SE
7.5
/ 10
Over-earMid range

Specs comparison

7.2/10
SCORE
7.5/10
16Ω
IMPEDANCE
25Ω
86dB
SENSITIVITY
91dB
No
NEEDS AMP
Yes

Analysis

The Sennheiser CX True Wireless scores 7.2/10 with 16Ω impedance and 86dB sensitivity. At 16Ω, it drives well from most phones without an external amp.

The HiFiMAN HE400SE scores 7.5/10 with 25Ω impedance and 91dB sensitivity. At 25Ω, it also benefits from amplification to perform at its best.

Based on our scoring, the HiFiMAN HE400SE 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.

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