FiiO K7, headphone amplifier with DAC

The FiiO K7 is a compact and high-quality USB DAC and balanced headphone amplifier designed for music lovers and audiophiles. It combines digital audio processing with analog amplifiers to deliver clear and detailed sound. It is suitable for connecting to computers, phones and other digital music players.

Dual AK4493S DAC chips: Ensures high-quality audio playback with 384 kHz/32-bit sampling rate and DSD256 support.
THX AAA 788+ amplifiers: Powerful sound with high detail and low distortion, suitable for both low and high impedance headphones.
Two types of headphone connectors: 1/4" unbalanced and 4.4mm balanced connectors.
Various inputs and outputs: RCA analog inputs, coaxial, optical and USB digital connections.
Large volume control with RGB indicators: Convenient and precise volume control with visual lighting effects.
External power supply: Clean and stable power supply, ensuring high-quality sound reproduction.
Power supply design with LDO: Low noise and high quality power for all components.

FiiO K7 headphone amplifier with DAC is a stationary device that will allow you to improve the sound quality of your headphones. Like most other DAC devices, this one can also be easily connected to both a stationary and a laptop. However, it should not be forgotten that this device requires a regular 220V power supply, which means that there is no possibility of using the FiiO K7 as a portable device. Despite the fact that it can be an indispensable assistant for those who value sound quality when working with a computer or simply enjoying their favorite music. The DAC in it effectively converts a digital audio signal into analog, amplifies it and transmits it to the headphones. For example, it is best to connect this device to a computer via a USB port. Then the DAC is used as an external computer sound card, responsible for all audio signal processing. This ensures the best sound quality. In short, it is a high-quality and convenient device.

Internal components

As in every electronic device, in this stationary DAC, the electronic components inside also play a decisive role. Understanding the importance of electronic components, the manufacturer has put truly high-class components into the FiiO K7 headphone amplifier. They have good audio signal throughput and excellent properties necessary for audio signal processing. Also important is how they are arranged inside the housing. This helps to shorten the audio signal chain and maintain good audio signal quality. It is also important to mention the housing, which is resistant to environmental factors that can negatively affect the quality of the audio signal. This housing also ensures the durability of the device.

Convenient and easy to use

These days, convenience plays a really important role. For this reason, this device is made to ensure maximum comfort when using it every day. However, there is a large potentiometer on the front, thanks to which the user can conveniently control the volume level. Of course, there are also other buttons that perform various functions. In any case, the most important functions of the device are always at hand, which is extremely convenient.

Reproducible frequencies (Hz) 20 Hz - 50 kHz
Headphone cable connector 6.35 mm; 4.4 mm
Balanced headphone output Yes
DAC Chip AK4493S*2
Power (mW@32Ω) 1220
Power (mW@300Ω) 140
Power, Balanced Out (mW@300Ω) 560
Power, Balanced Out (mW@32Ω) 2000
Weight, g 610