HiFiMAN HE400se – Open-Back Planar Magnetic Headphones
The HiFiMAN HE400se are open-back planar magnetic headphones designed for audiophiles seeking detailed, natural sound at an accessible level. With a wide frequency response, low impedance, and lightweight build, they deliver clarity and spaciousness ideal for both home listening and critical monitoring.
Key Features
- Planar magnetic drivers: Deliver accurate, distortion-free sound with excellent transient response
- Open-back design: Provides a wide, immersive soundstage with natural imaging
- Comfortable build: Lightweight 390 g design with soft ear pads for long listening sessions
- Low impedance: 25 Ω rating makes them easy to drive with portable players, amps, or desktop setups
- Detachable cable: 1.5 m headphone cable with 3.5 mm plug for flexible use
Customer Benefits
The HE400se offers planar magnetic performance in an affordable package, making it an excellent entry point into high-end headphones. Audiophiles benefit from natural sound reproduction, while casual listeners enjoy comfort and easy compatibility with various devices.
Quick Specs
- Type: Open-back planar magnetic headphones
- Frequency Response: 20 Hz – 20 kHz
- Impedance: 25 Ω
- Efficiency: 91 dB
- Weight: 390 g
- Cable: 1.5 m (3.5 mm plug), detachable
What’s in the Box
- HiFiMAN HE400se headphones
- 1.5 m headphone cable (3.5 mm plug)
- ¼” (6.35 mm) adapter
- Ear pads (pre-installed)
Use Cases / Ideal For
Perfect for audiophiles, home listeners, and music enthusiasts seeking accurate sound reproduction. Ideal for critical listening, desktop setups, or casual enjoyment of high-quality audio.
Pros & Cons
✅ Pros:
- Affordable entry into planar magnetic headphones
- Lightweight and comfortable for long sessions
- Natural, detailed sound with wide soundstage
- Low impedance makes them easy to drive
⚠️ Cons:
- Open-back design leaks sound (not ideal for portable use or shared spaces)
- Requires amplification for best performance
The HiFiMAN HE400se combines planar magnetic technology, open-back spaciousness, and lightweight comfort into a budget-friendly package—making it a top choice for those entering the world of high-fidelity headphones.
