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Black Shark Fengming S1 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.

Black Shark Fengming S1
Sound6.5
Noise cancelling6.0
Battery8.5
Calls6.0
Value7.0
Sennheiser HD 400
Sound8.5
Value8.0

Specifications

Specification comparison of Black Shark Fengming S1 vs Sennheiser HD 400
SpecBlack Shark Fengming S1Sennheiser HD 400
TypeOver-EarOver-Ear
Price (USD)$53$77
HearWiki score68 / 100 · Good82 / 100 · Great
Released2025-
Audio
DriverdynamicSennheiser dynamic drivers
Driver size40 mm40 mm
Drivers per side21
Frequency response20 Hz - 20,000 Hz18Hz-20kHz
Impedance-120 Ω
Wireless
Bluetooth6-
Bluetooth version6.0-
CodecsLDAC, LDHC, AAC-
Multipoint pairingYesNo
Latency60 ms-
Wireless range10 m-
Battery
Battery life155 h-
Battery life (ANC on)80 h-
Full charge time132 min-
Wireless charging-No
Features
Active noise cancelling-No
ANC typeadaptive-
Transparency modeYes-
Companion appNo-
Custom EQNo-
Wear detectionNo-
Controls-buttons
Voice assistantyes-
Design
Weight-240 g
Water resistanceyesnone
USB-CYesYes
Calls
Microphones51
Call noise reductionANC / environmental noise cancellation-

What reviewers said

Black Shark Fengming S1

The Black Shark Fengming S1 is an affordable over-ear wireless headphone that combines hybrid active noise cancellation with an exceptionally long battery life of up to 155 hours without ANC and 80 hours with it engaged. It supports high-quality audio codecs like LDAC and LDHC, offers Bluetooth 6 connectivity with multipoint pairing, and includes a transparency mode, making it a versatile budget option for everyday listening.

  • Pro:Exceptional battery life, especially with ANC off
  • Pro:Supports high-res wireless audio via LDAC and LDHC
  • Pro:Hybrid ANC with transparency mode for flexible listening
  • Con:No companion app or custom EQ options
  • Con:No wear detection for auto-pause
  • Con:Charging takes over two hours, which is relatively slow

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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