Product features
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We combined Qualcomm`s new QCC5100 Bluetooth IC with the Cirruc Logic CS43131 as a DAC to create a "Bluetooth engine" that sounds great.
Supports all current HD Bluetooth audio formats ? Qualcomm`s aptX Adaptive and aptX HD, Sony`s LDAC, HWA, LHDC, regular aptX and aptX low latency, AAC (Apple iOS devices) and SBC (common Bluetooth codec).
Among the codecs that support 24bit, aptX Adaptive and aptX HD can support up to 48kHz, while LDAC and LHDC support up to 96kHz.
iFi Yerfa`s "Bluetooth engine" can also be updated wirelessly, so new encoding formats may be added in the future.
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Burr-Brown TrueNative® chipset to keep the file format unchanged when decoding, or to ensure "Bit-Perfect". This means that you will listen to the music as the artist recorded it intended.
The Burr-Brown chip has become a widely used component in iFi products, chosen for its loose-hearted and natural-sounding "musicality" and True Native architecture. When it comes to chip handling, we have full experience and know how to make the most of it.
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MQA (Master Quality Authenticated)
MQA is an award-winning UK technology that delivers sound consistent with the original mastering recording. The main MQA file is fully validated and small enough to stream or download. xDSD Gryphon uses MQA technology to receive and decode MQA audio files and provide "master" sound.
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Balanced amplifier audio circuit, fully symmetrical dual mono headphone amplifier with symmetrical gold-plated 4.4mm balanced connections, advanced engineering is more expensive, but reduces the noise floor to a whispering quiet level.
![](https://www.ifi-audio.com.cn/wp-content/uploads/2018/06/Balanced-Performance-274x300.png)
High-end headphones are equipped with balanced wiring because the balanced wiring eliminates the crosstalk and distortion associated with traditional three-contact lines sharing ground returns.
iFi`s exclusive S-Balanced technology can be compatible with both single-ended and balanced headphones and provide better performance. Noise and distortion can be reduced by up to 3x (9dB) compared to standard balanced lines, reducing crosstalk and distortion by more than 50%, even with single-ended headphones.
![](https://www.ifi-audio.com.cn/wp-content/uploads/iFi_Diablo_Icons_02_OptimalLoop-300x300.png)
"Negative feedback" is used in the amplifier circuit to compare and correct the errors of the input and output signals, control the gain, and reduce distortion.
But "one-size-fits-all" negative feedback can solve one problem and amplify others, negatively impacting sound quality.
During the development of iFi Yerfa, we realized that "one size fits all" cannot solve the problem and that different parts of the circuit should benefit from a specific optimized feedback circuit. The resulting carefully developed negative feedback system contains multiple feedback paths, each optimized for a specific function and working in tandem with the others to provide excellent overall performance with only positive results.
![](https://www.ifi-audio.com.cn/wp-content/uploads/iFi_Diablo_Icons_02_PureWave-300x300.png)
Balanced, differential analog circuit design has long been popular with listeners because of its ability to reduce noise and interference within the signal path by completely separating the left and right channels.
The short and direct signal transmission path forms a symmetrical dual mono topology, and iFi calls this circuit concept PureWave to refer to the sound purity it achieves.
![](https://www.ifi-audio.com.cn/wp-content/uploads/SilentLine-OLED-300x152.png)
The OLED display in the xDSD Gryphon uses the SilentLine design. This ensures that no electromagnetic noise interferes with the audio signal.
The way it switches between settings is designed to ensure sound transparency ? FET-based switching is handled by a microcontroller and "wakes up" only when the user changes the setting, eliminating any harmful sound distractions.
![](https://www.ifi-audio.com.cn/wp-content/uploads/CyberSync-300x202.png)
CyberSync is a software-driven volume control technology that runs in the analog section and syncs very differently with any digital source device connected to the xDSD Gryphon.
It provides perfect volume synchronization between the source device and the decoder. It detects which operating system (OS) the decoder is connected to ? iOS, Android, Windows, Mac OS, or Linux ? and instructs the audio source`s operating system to bypass its software volume control. Whether using the xDSD Gryphon`s volume control knob or adjusting the volume on the source device, CyberSync ensures that the adjustments are performed entirely by Gryphon`s advanced analog control chips, while also displaying the adjustments on the source device`s screen. Volume profiles vary between operating systems and applications, but CyberSync ensures perfect synchronization between the source device and decoder every time.
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