EarStudio ES100-24bit 便携式高分辨率蓝牙/USB DAC/耳机 入耳式耳机 带 LDAC、aptX HD、aptX、AAC（3.5 毫米不平衡和 2.5 毫米平衡输出）HE100
- 24 位蓝牙接收器通过无线方式传送工作室品质的声音 - 使用现有的有线耳机、耳机甚至扬声器。
- 尺寸 1 x 2 x 0.5 英寸 / 重 20 克 / 14 小时连续播放 / 具有 10 频段 EQ 和环境模式/USB 音频播放/设备固件更新
- 包括 2 个独立的 Hi-fi DAC 和放大器 (Asahi Kasei AK4375a) – 为单端和全差输出提供*佳双 DACs/AMP 设计
- 模拟音量控制允许使用可编程增益放大器 (PGA) 保持*佳音频性能，即使在低音量级别，该扩音器 (PGA) 是众所周知的*佳控制音量。
- 内置麦克风支持接听电话 而无需麦克风
这款尺寸小工具采用技术包装，支持 Qualcom 的 aptX HD 编解码器，可让您流行 24 位高分辨率音乐无线。 EarStudio 自动将 16 位音乐提升为 24 位音质。 EarStudio 以方便和实惠的价格专注于音质。 我们使用 CSR 8675 Qualcomm 芯片和 2x DACs AK4375a。
EarStudio ES100 通过 Radson 获得*的 DCT 技术在蓝牙上再现声音，从而减少细微数字噪音并清洁蓝牙流中的抖动。
EarStudio 优化了电路结构，专有的 DualDrive 技术，采用 2 个独立的 Hi-Fi DAC 和扩音器。 与其他双 DAC 音频系统不同，完全差异的音频信号路径直接连接到输出插孔，若无开关组件，传输纯信号而无任何丢失或失真，并且具有足够电力。 此外，根据所连接的耳机类型，两种可选操作模式支持 2 倍电流或 2 倍电压。 然后，我们通过模拟音量控制进一步了解详细信息。 数字音量调节在下侧，因为它在 D/A 转换之前缩小 PCM 音频样本，从而产生刺激的声音和声音细节、SNR 和 THD 损失。 EarStudio 提供模拟音量控制，即使在低音量级别也使用可编程增益放大器 (PGA)，这是控制音量的*佳方式。
EarStudio 提供两种输出：单端/双电流 3.5 毫米插孔和全平衡/双电压 2.5 毫米插孔。
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Already on the first listening I had the feeling something is wrong. The "Rich and Solid Bass" is pretty much like on most cheap in ears. Just an over pronounced bass which makes me a headache. At the other end, the "Clear & Open High" is missing. Music doesn't sound that crisp an clear as I'm used to with my other in ears, and not worth any comparision with my over ears. Also no way for "Easy Listening, Medium Thickness Vocal". Details in the voices are missing. Listening to this reduced sound is no joy, it's just a disappointment. Same for the "Pinpoint Sound Localization", it's just not there.
Maybe I had bad luck with this device, because it's probably one from the very first batch. If not, its just a cheap sounding in ear sold for $90.
Beside that acoustic disappointment...
The build quality is okay. Seems to have a metal housing, feels cold.
Lower 2/3 of the thin round cable is fabric coated. Why not the whole cable?
The round cable easily gets tangled up. That's not state of the art.
The cable makes also noise when moving around. But that's an issue with most in ears.
One star for radsone, because I really like the ES100.
Another one because they sound better than the probably $5 in ears which came with my mobile.
That's it for me. Now what to do with them?
This makes them relatively unfatigueing (combined with the very distant sound). The thing I'm not a fan of though is that they are not extremely clear sounding (slightly grainy). Compared to kz zs10 pro there is a harshness to the vocals and instruments. This makes them not very intimate at all. Overall, if you are all about vocal clarity there are better options.
And if you enjoy heavy drums/metal same.
But I wouldn't say that they ruined the experience of any of the music I listened to with them and it's something you can get used to. If you value expansive soundstage and imaging these are great for the price.
However, if you want an earbud that provides even tonality with excellent clarity and presence through the mids with balanced bass and treble you will be pleased. I am most impressed with the soundstage these buds create and how they convey the true nature of the music they're playing. Voices also sound very natural and organic if you're using them for movie-watching.
Build quality is above average, with the buds a 'good' and the cable an 'OK'. The cable suffers from microphonics (you can ploy the usual tricks to mitigate this) and the cable doesn't feel the most robust but that's a bit of a nitpick. The buds themselves feel nice and solid and the microphone works well enough.
Overall I'm very pleased. I was looking for a specific tonality and these match it exactly, with the rest of it being icing on the cake.
I don't know. Did I get a defective pair? I don't think so, because they sound good with the EQ.
I suspect that I could have found something much better for half the money, or even less.
They get two stars for sound out of the box, but I threw in an extra star for build quality, which is good. If we're talking about EQing them, four stars for sound.