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Final Sonorous II Closed Back Headphones with Replaceable Cable

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  • Excelling high frequency overtones with high resolution soundstage

  • Rigid ABS housing finished with rough coating

  • Integrated front plate and titanium diaphragm driver unit

  • BAM mechanism optimises air movement inside housing

  • Detachable cable with locking mechanism

Final Sonorous II Closed Back Headphones with Replaceable Cable

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Final Sonorous II

Japanese audio experts Final have added the Sonorous II to their acclaimed headphone range with the same design techniques, technology and tonal characteristics as the company's flagship headphones. With different materials, lighter weight and lower price tag, the Sonorous II still exhibits stellar sound as expected by Final.

Sonorous II employs the same driver technology as the flagship model and excels in the high frequency harmonic overtones, achieving high resolution sound. Sonorous' dynamic driver has been integrated with the front plate to help keep vibration in check. The plate is polycarbonate strengthened with 30% glass rather than machined aluminium used for the Sonorous X.

Sonorous headphones incorporate Final's Balancing Air Movement system that optimises the airflow around the whole driver resulting in a powerful and balanced listening experience. Sonorous II's closed earcup design and full-size earpads offer superior sound isolation against external noise. The soft padded headband allows the Sonorous to offer highest levels of wearing comfort for long listening sessions.

Superior high frequency presentation.


Final Sonorous II


Precision Sound
Sonorous II headphones employs a driver unit integrated with the front plate, which results in resonance being suppressed and clear sound quality. With the same titanium diaphragm used in the SONOROUS X, this model has been tuned to produce crystal clear high frequency harmonic overtones with smooth and balanced sound.

Balancing Air Movement
BAM technology mechanism optimises the air movement inside the housing and controls unwanted vibrations for balanced, natural sound that reduces unwanted sibilant high-frequency sounds. Sonorous II has been tuned to an extremely accurate level based on new knowledge expertise gained from the development of Sonorous X.

Superior Craftsmanship
To achieve a high level of precision with the hard ABS housing, simulations were carried out until the appropriate level of fluidity with respect to the moulding material was achieved. The rough textured finish suppresses unnecessary vibrations.

Improved Earpads
To achieve a superior fit Final have used synthetic leather earpads, which has an equal amount of flexibility both horizontally and vertically as real leather and have chosen a sponge with just the right amount of flexibility letting the Sonorous II achieve clear sound with highest levels of wearing comfort and isolation.


Final Sonorous II



  • Headphone Type: Closed back, circumaural (over the ear)
  • Housing: ABS Thermoplastic
  • Driver: Dynamic 50mm
  • Sound Pressure Level: 105dB
  • Impedance: 16Ω
  • Cable: Detachable audio cable (1.5m)
  • Connections: 3.5mm jack
  • Weight: 410g



  • Excelling high frequency overtones with high resolution soundstage
  • Earpads with sound absorption section contribute to clear sound quality
  • BAM mechanism realises bass and deep three-dimensional space reproduction
  • Rigid ABS housing finished with rough coating
  • Integrated front plate and titanium diaphragm driver unit
  • Detachable cable with locking function



  • Final Sonorous II Headphones
  • Detachable audio cable (1.5m)


Product TypeHeadphones
Feature KeywordClosed, Comfortable, Hi-Fi, Noise Isolation, Over Ear, Over Head, Portable, Professional
Recommended UseDigital audio player, Hi-Fi, Portable audio system
Manufacturer Warranty1 Year
Included AccessoriesDetachable audio cable (1.5m)
Part NumberFI-SO2BD3
Headphone Fit TypeOver Ear
Headphones TypeHeadphones - binaural
Cable EntrySingle Sided
Cable Length1.5m
Connector AngleStraight
Connector TypeHeadphones (3.5 mm stereo jack)
Detachable CableYes
Driver Size50mm
Driver TypeDynamic
Connectivity TechnologyWired
Earcup DesignClosed Back
Frequency ResponseNo
Headphones Form FactorOver Ear
Headphones TechnologyDynamic
Number of DriversNo
Sound Isolation (dB)No
Sound Output ModeStereo
Smartphone CompatibilityNo
Smartphone ControlsNo
Total Harmonic Distortion (THD)No
Wireless TechnologyNo

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