audio-sound @ hatena

An audio review & news blog. The volume should not exceed 80 dB is recommended. I usually adhere to the safe-listening style by WHO. Please note that my aural impressions and interpretations of measurements are also made from a safe-listening style.

(News) CCA CA24, the latest multi-BA IEM with a total of 24 balanced armature drivers




CCA is a sister brand of the famous KZ Acoustics, offering a variety of products at affordable prices.


Today, CCA announced its latest 24BA IEM, the CCA CA24, a powerful pair of professional-level, 24 balanced armature drivers (12BA per side) designed for superior technical performance. The CA 24 features premium black gold King Kong series balanced armature drivers. The CA 24's earpieces feature a high-quality zinc alloy metal frame on the faceplate and a lightweight cavity made of skin-friendly resin material for a comfortable and secure fit. The CA24's earpiece uses a high-quality zinc alloy metal frame for the faceplate and a lightweight cavity made of skin-friendly resin material for a comfortable and secure fit.


The CCA CA24 can be purchased for $128. For more information, please click here.




Features of the CCA CA24

  • Hopping system with 24 BA drivers (12 per side)
  • Black Gold King Kong series BA drivers upgraded to a new generation
  • 3D-printed acoustic chamber and 3-way sound guide system
  • Unparalleled looks
  • Ergonomic design and light weight
  • Gold-plated 0.75mm 2-pin connector
  • High-purity 200-core silver-plated cable
  • Dual condenser HD microphones (when microphone cable is selected)


Technical Specifications of CCA CA24

  • Impedance: 30Ω
  • Sensitivity: 103dB
  • Frequency response range: 10Hz to 40kHz
  • Standard 3.5mm terminated plug




Premium BA drivers for outstanding performance

CCA has equipped the CA24 with 12 balanced-armature drivers per side. These drivers are not regular BA units, but specially designed Black & Gold King Kong series balanced-armature drivers. They were designed specifically for the CA24s, and when used in pairs, they provide a whole new level of detail and clarity.


Ultimate Happiness with 12 Balanced Armature Drivers

The CCA CA24 is the brand's latest flagship set. It offers attractive high-resolution flagship-class performance. 22955s low-frequency driver for reproducing low frequencies from 10Hz to 200Hz, and 29689s driver for reproducing rich mid-range. 29689s driver for reproducing rich mid-range. 30095s and 30019s BA drivers produce quality detail in the high frequency range above 8kHz. 30017s BA drivers combine to reproduce quality detail in the mid-high and low frequencies. 50024s BA units are doubled to deliver high frequencies. These drivers are placed in a 3D-printed acoustic chamber and employ a three-way sound tube system.




3D printed 3-way sound guide system.

The CCA CA24 uses an acoustic tube channel design that allows for 3-way frequency division in a 3D printed acoustic chamber. This tube runs from the mouth of the driver to the ear nozzle. It also uses an electronic crossover to maintain crisp, high-resolution performance.


Seiko Casting Zinc Alloy Face Cover Frame With Skin-Friendly Resin Cavities

CCA CA24 boasts stunning, rich looks with Seiko casting zinc alloy high-quality metallic frame on the face cover. The cavities here are made up of skin-friendly resin material, that not only makes the pair solid and sturdy but also ergonomic and lightweight.




High-Purity 200-Core Silver-Plated Cable

CCA CA24 has a replaceable cable design with standard 2-pin 0.75mm connectors. Users can easily replace the stock cable with a Wireless Bluetooth module or other high-quality aftermarket cables. As for the stock cable, CCA provides a good quality 200 core silver plated cable that has a standard 3.5mm termination plug. The pair is also available with an in-line mic cable.


Pricing & Availability

CCA CA24 starts at 128$ for the without mic variant. The in-line mic variant is available for 130$. You can check out more details here.


Purchase link