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Bloody by A4tech > 
Item#: 9SIABST5E07919

Bloody M660 MOCI HiFi Gaming Headset Built-in Microphone Boom, Light Weight, Compatible Across Platforms (Black/Red)

Ships from Canada.

Sold by Bloody Gaming Canada a-seller and Shipped by Newegg

Purchases from these Sellers are generally covered under our Newegg Marketplace Guarantee.
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  • M.O.C.I. Full-Range Diaphragm for HIFI Sound 40mm Driver
  • Volume control built in on left ear cup for faster volume adjustment
  • Orange LED lighting
  • Lightweight Auto-Adjusting headband

WARNING: This product can expose you to chemicals including one or more listed chemicals which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, go to

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  • Specifications
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M.O.C.I. Tech


Protein Ear Cushions


Omnidirectional Mic.


Auto-Adjusting Headband


48-Core Copper Cable


Dual-Core Diaphragm


M.O.C.I. Tech
Innovative M.O.C.I. ( Mycelium of Carbon IT ) Tech with advanced biotechnology of bred nano mycelium and carbon fiber, dual-core diaphragm is paper-thin but with metal rigidity, allows you to hear the original sound made by the musicians and composers.


Prevent The Headache Effects
MOCI designed to improve the headache effects after long period of wearing. MOCI Dual-Core full range diaphragm is made of paper-like material helps your ear breathe, fully immersive surround sound creates a realistic sound experience.


Lightweight Auto-Adjusting Headband
The wearing design ensures maximum comfort – perfect for long gaming sessions and for gaming at tournaments, no headache effects as part of the comfortable design.


Dual-Chamber Acoustic Refining Technology
With dual air damping system delivers deep resonating bass and clear crystal highs and mids. It creates a realistic surround sound experience, carves out every aural nuance in even finer detail.


48-Core Copper Cable
Designed with braided with 48-core high-purity oxygen-free copper, made of eco-care TPE material, the 2.2m cable is optimized for any environment, qualified for 30,000 times of swing and pull test and withstand more than 20KG force.


Omnidirectional Noise-Canceling Mic.
Fully adjustable, state-of-the-art mic. enables crystal-clear in-game voice communication, making it easier than ever to take control of your gaming environment.




  • Speaker Unit: F40 mm
  • Impedance: 16 ± 20% O
  • Sensitivity: 102 dB ± 3 dB
  • Frequency Response: 20 Hz - 20 KHz


  • Mic. Frequency Response: 75-16,000 Hz
  • Mic. Sensitivity: - 45 dB


  • Cable Material: 48-Core Copper Cable
  • Main Cable Plug Type: 3.5 mm Plug (Audio/Mic)
  • Main Cable Length: 120 CM
  • LED USB Cable Length: 100 CM
  • 3.5 mm PC Adaptor Cable Length: 100 CM



Learn more about the Bloody by A4tech M660-B

Warranty, Returns, And Additional Information
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