FiiO FD5 Flagship Hi-res Earphones, Beryllium-Coated DLC 1DD Earbuds, Swappable Plug 2.5mm/3.5mm/4.4mm High Fidelity for Smartphones/PC/Tablet  
Condition is Open box. Shipped with USPS  Mail. 

                    
       
  • 【Large 12mm Dynamic Beryllium-coated surround-DLC diaphragm Earphone】The large 12mm dynamic drive utilizing N52 magnets with a high magnetic flux of 1.5 Tesla-for extremely robust bass and excellent high frequency resolution. By combining the use of Beryllium and diamond-like carbon(DLC).
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  • 【Front acoustic prism】It can precisely control how the sound waves travel in the sound tube – bringing benefits such as eliminating high frequency standing waves and enhancing overall sound wave diffusion.
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  • 【Rear volcanic field system+Semi-open acoustic design】Reduce low-frequency standing waves, reduce distortion, and overall improve the diffusion of bass waves throughout the FD5. The semi-open design which relieves balanced, beautiful and unfatiguing sound.
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  • 【Interchangeable sound tube】Two different types of sound tubes bring the ultimate sound enjoyment. The large sound tube is balanced, while the small sound tube presents a lively, more bass-focused sound.
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  • 【Twist-lock swappable plug】The twist-lock swappable plug allows you to switch between 2.5mm/3.5mm/4.4mm heads to cover a wide range of scenarios.
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Large 12mm dynamic unit

               

Large 12mm dynamic drive utilizing N52 magnets with a high magnetic flux of 1.5 Tesla-for extremely robust bass and excellent high frequency resolution.

Interchangeable sound tube

               

Great sound comes from a great fit. FD5 comes with interchangeable sound tubes  in small and large size to best fit your ear. The large sound tube is balanced, white the small sound tube present a lively, more bass-focused sound.
*The small sound tube should be used with the triple-flange ear tips, for deeper insertion and better sound quality

Abundant Accessory

               

Earphone cable*1
HB5 Storage case*1
Bass ear tips*6(S M L)
Balanced ear tips*6(S M L)
Vocal ear tips*6(S M L)
Foam ear tips*4(S  L)
Triple Flange tips*4(S L)
Final MMCX ASSIST*1
Cleaning brush*1
Interchangeable sound tube*1
     
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High-end audio inspired acoustic prism

               

By installing a conical device close to the front end of the drive diaphragm, we can precisely control how the sound waves travel in the sound tube-bringing benefits sunch as elimination high frequency standing wave and enhancing overall sound wave diffusion.

Anti-standing wave and semi-open design

               

Reduce low-frequency standing waves and distortion,improve the diffusion of bass waves.The semi-open dsign of FD5 to relieves air pressure on the ear-leading to more comfortable and long listening sessions.
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Sound Quality， Redefined

               

The flagship-grade dynamic drive and carefully tuned acoustic design also combine to make the FD5 sound wonderfully pleasant to most people's preferences-a relaxed, natural yet transparent sound with a large soundstage and impressive dynamics.

Interchangeable parts

               

8 strands of High-purity monocrystalline silver-plated copper MMCX cable perfectly and faithfully reproduce your music. The cable also features interchangeable audio plugs for 2.5/3.5/4.4mm.