[NEWS] HiBy Crystal 4BA Driver IEM Released

HiBy Crystal 4 Quad Knowles BA Driver IEM Released

HiBy has released its latest multi-BA pair of in-ear monitors, the all-new HiBy Crystal 4. It is released following the success of their very first and the senior model to the Crystal 4 known as HiBy Crystal 6. As the name suggests for Crystal 4, the pair is equipped with four balanced armature drivers on each side.

HiBy has chosen premium Knowles BA drivers for the Crystal 4. They are arranged in a two-way frequency crossover for a pure, low-distortion sound performance. The pair features stunning beautiful looks with Opal faceplates and handcrafted inner cavities.

HiBy Crystal 4 is available with us at just 299.99$, check out more details here.




  • All-Knowles Quad-BA driver configuration.
  • Natural & Balanced Sound Tuning.
  • Opal Faceplates.
  • Handcrafted Inner Cavities.
  • Hi-Res Audio Certified.
  • 0.78mm 2-pin connectors.
  • Silver-Plated Copper cable With 3.5mm Termination Plug.
  • Impedance: 26 ohms.
  • Frequency Response Range: 20Hz-40kHz.
  • Sensitivity: 105dB/mW.
  • Driver Configuration: Knowles 22955 Low Frequency, Knowles 29689 Midrange, 2x Knowles 31736 High and Ultra-High Frequency.
  • Two-Way Frequency Crossover



Premium Knowles Balanced Armatures:

Knowles is a well-renowned brand when it comes to premium balanced armature drivers. Their drivers are featured in many well-known IEMs. HiBy has equipped the Crytal 4 with four premium Knowles BA drivers per side delivering exceptional sound quality for its users. There’s a Knowles 22955 powerful low-frequency driver, one 29689 smooth midrange driver, and a dual 31736 composite driver for natural and airy high/ultra-high frequency response. These drivers are arranged in a two-way frequency crossover for providing a clean and distortion-free output.


Sound Tuning:

Professional audio engineers at HiBy have tuned the Crystal 4 following a balanced FR curve that is tuned to yield the most balanced frequency response playing modern popular music. All the three-frequency bands have a balance between them yielding long-term listening comfort while producing a brilliant acoustic experience at the same time.


Opal Faceplates:

HiBy Crystal 4 houses premium white opal faceplates that provides attractive looks with its lustrous and translucent nature. The pair stands out in the market with its beautiful faceplates.


Handmade Inner Cavities:

The inner acoustic cavity in Crystal 4 is handmade with solid German imported epoxy material. It is completely transparent you can easily see the outstanding craftsmanship of engineers at HiBy in the precise placement of driver units inside the cavity. The cavity is crafted after going through a huge database of anthropological pinna statistics ensuring a maximum long-term comfortable fit for most users.



HiBy bundles the Crystal 4 with a high-purity silver-plated copper cable with standard 3.5mm termination for universal connectivity. It has industry standard 0.78mm 2-pin connectors for maximum cable upgrade options for the users.


Rich accessory set:

Balanced, bass, clarity and memory-foam sets of eartips available to choose from







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