CCZ BC01 Professional in ear Monitor, Skilled Stage Stage IEM, HIFI Balanced Stereo iem Earphones, 1BA 1DD Hybrid Driver iems for Gaming, Singer, with Removable 2pins Cable 3.5mm Plug (Black with out mic)

In Buddhist religion, the meaning of “Heart Mirror” is that a pure heart is a mirror of what is inside a person, and the HZSOUND Heart Mirror mirrors a pure and beautiful sound.The housing of Heart Mirror is made of a Zinc alloy, die-casted by high-precision mirror surface mold, cut by CNC high-precision process, and finally hand-polished by skilled workers. This is justified for an IEM costing $150.00-$200.00, but it is unbelievable for one that has a price tag of just $50.00. Given that, Heart Mirror’s quality is impressive and second to none.Heart Mirror is equipped with a 10 mm dynamic driver, with three important elements: A rigid Carbon Nanotube diaphragm; a strong, high-performance iron boron magnet; and a Copper-clad Aluminum Wire (CCAW), instead of the commonly used copper wire, voice coil. This is a very sophisticated design and results in reproducing the whole of the acoustic spectrum in a very accurate way, while it is again hard to believe that you find it in an IEM costing just $50.00.The cable is a 2-Pin connector, following the highest versatility φ0.78 standard, made of oxygen-free copper (OFC) and silver plated, which adds to the already existing technicalities of Heart Mirror.If I wanted to summarize Heart Mirror’s performance in a single statement, I would say that its sound is balanced, natural and alive. It is characterized by very high resolution, cleanness and crispiness, so a very detailed sound.The low frequencies might appear a bit weak to some; for me it is perfect, as if it was more, then it would destroy the beautiful balance. It is mainly mid-bass, with a touch of sub-bass, and the important thing is that it is taut and very well controlled. It can slightly be enhanced by using the provided “brother” eartips, although I did prefer the “bullet” eartips, which offered almost perfect balance. On the other hand, the “sponge” eartips made the sound “dental” like, and at the same time a bit lean without much body, so not my preference. The mids are accurate and engaging, and both female and male vocals were delivered without any forwardness or recession. The highs are very open and extended, although some might feel that it is a bit too much. For me it is crispy, but never harsh, while I have never spotted a case where I felt that there is some roll off.Another thing that really made an impression was Heart Mirror’s soundstage, both in width and depth, together with its image and very broad dynamic range. It also has excellent separation. Overall, Heart Mirror has a very open presentation, which is also very unusual at this price range. I should also mention that Heart Mirror is quite unforgiving, and this is something that I highly appreciate in an IEM.Heart Mirror, besides being of exquisite quality, it is also rather lightweight and very comfortable, providing very good sound isolation, so ambient noise was never a problem. Furthermore, its cable is of very good quality, given the price of it; my only complain is that sometimes it tangles, which is somewhat of a problem.If I say that I was impressed by Heart Mirror, it is an underestimation. It is an IEM of unsurpassed quality and of hi-fi sound. It is extremely balanced and detailed, highly transparent, with big soundstage, great image, dynamics and separation. Its quality and sound would be justified, if its price tag was $150.00-$200.00. For $50.00, I really scratch my head to find out how HZSOUND did that. It already became one of my favourites, and it is nothing less than most highly recommended.

Heart Mirror（心鏡）レビューこのレビューは イヤピースを SpinFit CP500 (M size) に交換した上でのレビューです。付属のイヤピースは、ウレタン系１組(S?)、柔らかいシリコン系(S M L)、軸が腰のあるタイプのシリコン系(S M L) が入っていますが、どれも低音がスカスカで、バランスが悪いです。L にすれば、少しは低音出てきますが、それでも足りないです。SpinFit CP500 に替えると、ある程度低音が出ますが、やはり低音の量が少し足りないです。よく聴くと結構低い低音も出ているのですが、中音、高音が耳に入ってきて、少し足りない印象です。他のイヤホン、ヘッドホンと聴き比べをすると、ことさら、このような印象になります。しかし、イヤピースを替えて、このイヤホンだけを聴いていると、耳慣れするのか、とても気持ちいいバランスに感じるのです。少し低音の量が足りないですが、中音から伸びやかな高音へ続いていきます。分離感も高くシンバルやハイハットのシャーーァーーーンときれいに音がきれいに小さくなっていくのが聴こえます。価格帯の近い Intime 碧 2 と聴き比べると低音、中音、高音とバランスの良いのは、碧 2 です。中音、高音の気持ちよさは心鏡（こちら）です。分離感もこちらが上。追記: 星４から３へ変更さらに低音が欲しくて ”Symbio Eartips スーパーフロウ・リカバリー フォームイヤーピース” に交換してみました。SpinFit CP500 と比べるともう少しだけ低音が出ます。高音は少しだけトゲが出る感じがします。SpinFitの方がトゲがない。約6500円のイヤホンに追加で1500円のイヤピース交換で計8000円。それでも少し足りない低音。MoonDrop Aria 9000円を買った方が良かったのではと思いました。別売のイヤピースを購入すること自体しないでしょ。交換して音が少し変わるって事を確認できる事は楽しいけど、反面お金の無駄使いかと。ここの部分で３に変更しました。イヤピースを交換するならば、SpinFitではなくSymbioをお勧めします。ウレタンが嫌いでシリコンならSpinFitです。

Not for bassheads. Great audiophile sound, just don’t expect super thumpy bass. The vocals and MIDs/highs are a real treat. At this price, you likely can’t do better unless you want a lot of thumping.