HE400se Entry-Level

The HiFiMAN HE400se Entry-Level is a pair of open-back over-ear headphones using 100 mm planar magnetic drivers, with a stated frequency response of 20 Hz–20 kHz.

Type: Over-ear
Frequency: 20 Hz–20 kHz
Weight: Not published
Impedance: 32 Ω

What the data says

Lowest in-stock price is 27% below list price this week.

Computed from the specs below. How we write summaries.

Full specs

Last verified Oct 5, 2026

HiFiMAN’s own site doesn’t allow automated reading, so specs, prices and photos come from Headphones.com’s product page (headphones.com), a retailer that sells it. Unless marked otherwise, every spec is quoted from that page.

Sound
Frequency response	20 Hz–20 kHz
Driver	Planar magnetic
Driver size	100 mm
Impedance	32 Ω
Sensitivity	91dB

Fit & build
Type	Over-ear
Back	Open-back
Detachable cable	Yes

Wireless
Connection	Wired

Other
Warranty	1 year manufacturer's warranty

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