FiiO's K9 Pro utilizes a pair of cutting-edge ES9038 Pro DAC chips from Sabre Technologies. These flagship grade 8-channel DACs offer unrivaled decoding capabilities for high-resolution audio signals. The upgraded K9 Pro ESS model has dual ES9038 Pro DAC chips, surpassing the original single AK4499 DAC in the OG K9 Pro. This new DAC chipset allows for ultra-low THD+N levels (<0.00025%) and high SNR ratings (>129dB), resulting in a pristine and superior performance.
Powerful Signal Amplification Circuit
Consisting of two high-performance THX AAA 78+ amplifier chips, the K9 Pro ESS provides a clean and powerful output signal. It brings the best out of our connected headphones/in-ear monitors with its clean output power signal. There is no noticeable background noise or distortion even with highly-sensitive headphones and in-ear monitors, simply plug in your favourite headphones on the K9 Pro ESS and indulge yourself in an extraordinary sound experience.
Precise Design Profile
FiiO has years of expertise in designing HiFi audio products. They have designed the new K9 Pro ESS with a fully differential circuit in which the signal goes through the DAC, Volume, and AMP sections in a fully balanced manner. It also has a six-stage audio circuitry to ensure the users get the best possible sound performance. The analogue and digital circuits have separated designs with partitions for clean performance.
Multiple Input/Output Options
The FiiO K9 Pro is a hub for all your audio needs. It features multiple audio input/output options that include RCA/Coaxial/Bluetooth/Optical/USB/4.4mm input ports. For output the device features line-out functionality via 4-Pin XLR balanced*2, RCA line-out and headphone output via 4.4mm/4-Pin XLR
Dual Independent Femtosecond Clocks
FiiO has featured dual independent Femtosecond clocks to provide a precise clock management system. It makes it easier to handle different sources while maintaining maximum quality performance.
True MQA Support With Hi-Res Signal Decoding
MQA, Master Quality Authenticated is the latest technology where we get high-res performance in small file sizes. K9 Pro ESS supports full MQA unfolding allowing the users to listen to the true master quality performance as the artist intended while recording. Apart from these high-res MQA Support, the K9 Pro also supports high-res 32-Bit/384kHZ PCM as well as native DSD256 decoding.
High-Resolution Bluetooth Support
FiiO K9 Pro ESS features Qualcomm’s latest QC5124 Bluetooth processor chip. It not only provides a stable, reliable Bluetooth connection but also brings support for high-resolution wireless codecs including LDAC, APTX HD, AptX Adaptive, and more. Simply connect your smartphone or any other media device with Bluetooth support and feed the audio signal to the K9 Pro ESS over a Wireless Bluetooth connection.
App-control and Other Features
Built-in Bluetooth low energy (BLE) technology allows you to use the FiiO control App to control functions like channel balance, sleep timer, etc. at any time, even when not in Bluetooth mode.
The K9 Pro supports the unfolding of MQA tracks, allowing you to listen to high-resolution audio files that are not only reasonably sized but also retain master-level sound quality that brings you directly into the recording studio.
Apart from the long list of features mentioned above the device also features a linear power supply for clean power management, FiiO Application support on smartphones (Bluetooth connections), and many more features. This can be your one point solution for all your high-end musical needs.
The K9 Pro AKM Vs The K9 Pro ESS
The core difference between the OG K9 Pro AKM and the latest K9 Pro ESS will be the Dual DAC chipset with the latest K9 Pro ESS. With a Dual DAC chipset configuration, you get to experience the power of dual ES9038 Pro DAC chips producing crisp resolution and details. The new K9 Pro ESS got 7 digital filters now and it also has an aluminium alloy volume knob with PVD Gold-plated edges. K9 Pro ESS has got a better, improved look. The new K9 Pro has also got slight improvements in the power output ratings. Other features such as Bluetooth, gain level, are identical on both devices.
