The FiiO K9's ace up its sleeve is the THX AAA 788+ amplifier, giving it an extraordinary 1% undistorted power output up to 780mW at 300Ω and up to 2000mW at 32Ω. No matter if you use low-impedance or high-impedance headphones, the K9 will drive it with aplomb.

2023年12月14日 · Equipped with the THX AAA 788+ headphone amplifier technology specifically designed for desktop use, it delivers 780mW of undistorted power at 300ohm load and 2000mW at 32ohm load, providing sufficient power to drive the most headphones.

2023年3月31日 · Buy FiiO K9 Desktop Headphone Amplifier AMP USB ES9068AS*2 DAC Bluetooth HiFi Audio THX AAA 788+ LDAC DSD512: Amplifiers - Amazon.com FREE DELIVERY possible on eligible purchases

The K9 Pro is equipped with the legendary AKM AK4499, renowned in the audio industry for its exceptional performance and unparalleled decoding capabilities, supporting up to 384 kHz and native DSD256 audio.

2023年8月26日 · Today, we review the FiiO K9, which is a new dual ES9068AS version of their flagship desktop DAC and THX-equipped headphone amplifier.

2023年9月4日 · In this article we assess the new $499 USD FiiO K9 DAC and Amplifier. Don't miss our comprehensive K9 review, now on Headfonia!

2024年3月18日 · Lynn reviews the FiiO K9 AKM, which is a new flagship desktop AK4191EQ+AK4499EX USB-DAC and balanced THX headphone amplifier.

2024年4月9日 · Today, I will be reviewing the FiiO K9, a stationary DAC and amplifier that serves as a simplified version of the K9 PRO. The K9 PRO originally utilized the AK4499EQ chip, but due to production issues following a fire in 2020, FiiO had to transition to the ES9038 PRO chip.

2025年1月22日 · The FiiO K9 Pro is a digital-to-analog converter and headphone amplifier roughly the size of Big Pun, catering to audiophiles and music enthusiasts. It functions as a standalone audio device, acting as an intermediary between digital audio sources, such as computers or mobile devices, and headphones or external speakers.

2023年6月27日 · Extremely versatile desktop unit with plenty of clean power. Built in linear power supply. Makes a difference in SQ. Drives everything from sensitive stuff to not so sensitive stuff. Bluetooth signal and sound quality is excellent connected to a phone. Excellent for active speakers. Media and gaming from your computer gets a huge upgrade in sound.