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INTRODUCTION AND DISCLAIMER:

The KZ ZAX is a hybrid in-ear monitor (IEM) with a 10mm PEK spring diaphragm dynamic driver (DD) and seven balanced armatures (BAs) on each side. …


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INTRODUCTION, DISCLAIMER, AND PRODUCT LINK:

The CVJ CSA is a hybrid in-ear monitor (IEM) using one dual magnetic dynamic driver and one balanced armature on each side. CSA is a recent entrant to the Chi-Fi scene, and the CSA joins a crowded price bracket of 1+1 hybrids currently dominated by the KBEAR KB04. The CSA retails for $26.99 on Amazon at the time of this review. I purchased the CSA on Amazon and was reimbursed for my purchase by CSA prior to the arrival of the review unit, at a net cost to me of $.52.

The CVJ CSA can be purchased at the link…


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INTRODUCTION, DISCLAIMER, AND PRODUCT LINK:

The KBEAR KB04 is a hybrid in-ear monitor (IEM) using a 10mm PU diaphragm dynamic driver and a balanced armature on each side. The KB04 retails for around $25 on KBEAR’s official AliExpress store. I received the KB04 directly from KB EAR. The KB04 can be purchased at the link below:

SOURCES:
I have used the KBEAR KB04 with the following sources:

  • JDS Labs The Element
  • Qudelix 5K

I have tested these headphones with local FLAC and Spotify Premium. Visit my last.fm page to get an idea of what I listen to:

PACKAGING AND ACCESSORIES:

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About

Alec

Reasonable audiophile product reviewer.

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