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Picun F6 vs Sennheiser HD 400: which should you buy?

On aggregated review scores the Sennheiser HD 400 comes out ahead with an HearWiki score of 82. The full breakdown - sub-scores, specs and what reviewers actually said - is below.

Our pick: Sennheiser HD 400 - Great overall at around $77.

Score breakdown

Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.

Picun F6
Sound6.5
Noise cancelling6.0
Battery9.0
Calls6.0
Value7.5
Sennheiser HD 400
Sound8.5
Value8.0

Specifications

Specification comparison of Picun F6 vs Sennheiser HD 400
SpecPicun F6Sennheiser HD 400
TypeOver-EarOver-Ear
Price (USD)$72$77
HearWiki score68 / 100 · Good82 / 100 · Great
Released2024-
Audio
DriverdynamicSennheiser dynamic drivers
Driver size40 mm40 mm
Drivers per side21
Frequency response20 Hz - 20,000 Hz18Hz-20kHz
Impedance32 Ω120 Ω
Sensitivity110 dB/mW-
Wireless
Bluetooth5.4-
Bluetooth version5.4-
CodecsLDAC, LDHC, AAC-
Multipoint pairingYesNo
Latency40 ms-
Wireless range15 m-
Battery
Battery life120 h-
Battery life (ANC on)100 h-
Full charge time90 min-
Wireless chargingNoNo
Features
Active noise cancelling-No
ANC typehybrid-
Transparency modeYes-
Companion appYes-
Custom EQYes-
Wear detectionNo-
Controls-buttons
Design
Weight300 g240 g
Water resistancenonenone
USB-CYesYes
Calls
Microphones51
Call noise reductionANC/ENC with 5 microphones-

What reviewers said

Picun F6

The Picun F6 is an affordable over-ear wireless headphone that packs impressive stamina, offering up to 120 hours of playback without noise cancellation and 100 hours with it active. It includes hybrid ANC, transparency mode, multi-device pairing, and support for high-quality LDAC and LDHC codecs, making it a solid budget-friendly option for long listening sessions. The 40mm dynamic driver delivers a standard frequency range, while Bluetooth 5.4 ensures stable connections, though it lacks water resistance and wireless charging.

  • Pro:Exceptional battery life that outlasts most competitors
  • Pro:Hybrid ANC with a transparency mode for versatile listening
  • Pro:Supports high-resolution LDAC and LDHC codecs
  • Con:No water resistance rating, so not ideal for workouts or rain
  • Con:No wireless charging, requiring a cable
  • Con:Weighs 300g, which may feel slightly heavy for some users

Sennheiser HD 400

These over-ear Sennheiser headphones are built around a neutral, open-back design aimed at studio work, delivering a wide soundstage and detailed, transparent audio for critical listening. They are lightweight and comfortable for long sessions, with a high-impedance driver setup that helps maintain low distortion, though they lack isolation and come without a carry case. Wired connectivity via USB-C and detachable cables adds versatility, but the open-back nature means sound leaks both ways.

  • Pro:Accurate, transparent sound with wide soundstage
  • Pro:Lightweight and comfortable for extended wear
  • Pro:Detachable cables and USB-C connectivity
  • Con:No included carry case or spare ear pads
  • Con:Open-back design leaks sound and offers no isolation
  • Con:High impedance may require a dedicated amplifier for best results

Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.

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