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.


KZ & CCA, the standard brand of low-priced, cost-effective, and strongest multi-driver Chinese earphones, and their latest popular recommended models 2023

Knowledge Zenith, aka KZ Acoustics, is a reputable China-based manufacturer of HiFi Chinese earphones.KZ Acoustics features affordable, yet solid manufacturing quality, with a large number of drivers and high quality, high-resolution It is…

(Chi-fi IEM Review) CCA PLA13: Excellent range feeling that is both profound and exhilarating

The CCA PLA13 is an in-ear monitor with a wonderful sense of range, which is oddly characteristic of planar drive systems.

(Chi-fi IEM Review) CCA HM20: Dark and sober mild U-shaped sound

The CCA HM20 is IEMs with a fairly complex driver configuration of 1DD+7BA hybrid, but with a fairly smooth sound image consistency.

(Chi-fi IEM Review) CCA LYRA: Bright, orthodox studio monitors available at a low price

The CCA LYRA is an excellent IEMs offering a neutral, near-flat, bright sound signature at a low price.

The most popular entry-level Chinese IEMs under $100 that are currently attracting the most attention around the world and are most appreciated by audiophiles 2023

In this article, my blog, which collects audio information from around the world, will introduce some of the most highly rated, cutting-edge, and trendy Chinese IEMs that are currently available for under $100 and are easy on the wallet.

(Chi-fi IEM Review) CCA CXS: Excellent studio monitor-like sound at a low price

The CCA CXS is an attractive IEMs that offers a near-neutral, well-balanced studio monitor-like sound at a low price. It is highly recommended, especially if you prefer a colorful and glossy sound.

(Chi-fi IEM Review) CCA FLA: Glossy and colorful sound

CCA FLA is an attractive IEMs that offers a balanced sound that is close to neutral at a low price.

CCA FLA: Professional 10mm Large Size Dynamic Driver In-Ear Earphones

CCA has released new single dynamic driver IEMs, the CCA FLA.

CCA CXS: 10mm New Legendary Dynamic Driver HiFi In-Ear Earphone

A new low-priced IEM, the CCA CXS, has been released.

CCA HM20: 16 Driver Units Flagship Hybrid IEMs In-Ear Earphone

CCA's new flagship IEM CCA HM20 is now available.

CCA PLA13: All-New Planar Magnetic Driver IEMs with Newly-Developed 13.2mm Planar driver

2022 feels like a year of planar magnetic driver IEMs. We have got a huge catalog of planar driver IEMs including the Tin HiFi P1 Max, LETSHUOER S12, RaptGo Hook X, etc. Today, CCA marks its territory in the Planar Magnetic driver realm, l…

(News) CCA LYRA: HiFi Single Dynamic Driver In-ear Earphone

CCA Lyra has been released.

(Chi-fi IEM Review) CCA CRA+: This model is a mid-range version of the CCA CRA. Not bad, but overall, CRA-

CCA CRA+ has a V-shaped sound balance with an awareness of neutral sound, and is an IEM with a highly transparent midrange that is carefully listened to.

(News) CCA CRA+: A popular model that has evolved further

KZ's sub-brand CCA is back with a brushed-up version of its very popular model. CCA CRA+ has been released.

(Chi-fi IEM Review) CCA CA10: A psychedelic sound created by a true genius. The junk feeling all over again!

If you want to taste a weird, sort of psychedelic, freaky, junk food sound, CCA CA10 is not to be missed. A brand with true talent doesn't think outside the box. From these earphones, I can hear the "sound field? Localization? Coherency? T…

(Chi-fi IEM Review) CCA CRA: This model is an improved version of the ZEX Pro. Equal resolution, heavier and more powerful bass, improved high frequency extension and peaks.

The CCA CRA is a model that inherits the basic concept of the ZEX Pro, but with a different driver configuration to provide a nearly upward compatible sound at a lower price. The overall impression is much improved, and I would personally …

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

CCA CA24 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 (12…