Headphone amplifiers fiio in comparison

FiiO R7 is the brand s first-ever desktop digital audio player equipped with a high-performance ESS Sabre DAC chipset and high-power THX-788+ desktop-grade amplification chipset. It brings you the perfect combination of input and output options allowing you to use it independently or use it with other devices on your desktop chain. FiiO R7 supports high-resolution PCM and native DSD audio signal decoding. With Qualcomm s 8-core Snapdragon 660 SoC chipset and 4 GB of RAM, R7 boasts open Android 10 OS with support for countless streaming and media applications!

Digital Audio Remaster technology increases sound sampling rate beyond source format limits

The 6418 Hi-Res Architecture The most common issue with Tube-based amplifiers is the signal interference. They usually have electromagnetic interferences mostly around wireless devices. In order to solve this, Muse HiFi has worked closely with ESS factory to customize their 6418 version of the ES9038Q2M chips. This 6418 Architecture solves the interference caused by the Bluetooth signal transmission and ensures clean output signal free from any background and current noise interferences. So you are getting the goodness of a high-resolution ESS Sabre DAC chipset along with tube amplification on the M5 Ultra.

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High power output

POWERFUL Thanks to 2 x 35 watts RMS output power and 8 ohms impedance, this auna Amp VT HiFi amplifier provides top-class entertainment within your home.

Multifunctional four-channel headphone amplifier This 4-channel amplifier has 4 independent stereo high-power amplifier sections, each output has a separate volume knob, which allows up to four people to listen to the mix for tracking, live use and listening Wear headphones and watch TV while exercising.

QUALITY MATERIAL & ELABORATE PORTABLE DESIGN S9 PRO manufactured by CNC integrated molding technology can be called works of art due to the difficulty and high time costs, showing the fine workmanship, stable structure and pleasing appearance which is incomparable to welded or split products

BUILT-IN PROTECT CIRCUIT. It built-in relay for a mute circuit when turned on amplifier to avoid POP noise and make sure the tube is worked in its best condition.

Sound quality optimization Equipped with CS43131 decoding chip, it fully unleashes the potential of CD sound quality, and adopts 2nd PLL circuit to effectively reduce JITTER during CD reading, ensuring high fidelity audio output.

Versatile DAC Amp The K7 is designed for both HiFi headphone audiophiles and music lovers. It can serve as a powerful hub for building your desktop audio system. Whether your're enjoying music, gaming or working, the K7 handles it all with ease.

EXTRAORDINARY HIFI EXPERIENCE FROM EXCEPTIONAL DAC Equipped with the ESS9038Q2M DAC, will bring you an extraordinary aggressive audio experience. Clean yet transparent. Excellent bass with fairly good sufficient depth, mid sounds full, and the smooth sparkly treble feels lively. Obviously S9 PRO is the master when compared with S9.