FiiO K9Pro ESS Desktop DAC/AMP

FiiO K9Pro ESS Desktop DAC/AMP — image 1
FiiO K9Pro ESS Desktop DAC/AMP — image 2
FiiO K9Pro ESS Desktop DAC/AMP — image 3
87%
94%
Audio Performance
88%
Build Quality
91%
Bluetooth Connectivity
82%
Ease of Use
89%
Power Output
80%
Setup & Installation
86%
Compatibility
90%
Versatility of Outputs
88%
MQA Support
85%
Size and Portability
75%
Customer Support
92%
Value for Money
More

Overview

The FiiO K9Pro ESS Desktop DAC/AMP offers a premium audio experience for audiophiles and enthusiasts alike. With support for high-resolution audio, this device can handle sample rates up to 384 kHz and DSD256, ensuring clear, detailed sound for a wide variety of music genres. Its compact design fits well in desktop setups, offering a clean, clutter-free environment. Multiple connectivity options, including USB, optical, and coaxial, ensure flexibility, while Bluetooth 5.1 delivers reliable wireless audio for modern devices. This DAC/AMP is built to elevate your listening experience, whether for home audio systems or PC setups.

Features & Benefits

This DAC/AMP features dual ES9038PRO DACs that provide superior audio quality, delivering an impressive dynamic range and clarity. Bluetooth 5.1 capabilities with support for lossless codecs like LDAC and aptX make it an excellent choice for those who prefer wireless audio. It also offers versatile outputs—XLR, 4.4mm balanced, and 6.35mm single-ended—to cater to different headphone types and setups. Furthermore, it supports MQA rendering, allowing you to stream high-resolution audio from services like Tidal. With the power to drive high-impedance headphones, this device is perfect for audiophiles who demand the best.

Best For

The FiiO K9Pro ESS Desktop DAC/AMP is ideal for audiophiles looking for a top-tier desktop audio solution. It's well-suited for users with high-impedance headphones, as it can easily handle up to 600Ω impedance. Those seeking high-resolution Bluetooth audio will appreciate the stable, high-quality wireless connection. Its multiple connection types, including USB, optical, and coaxial, make it perfect for a variety of PC or home audio setups. Whether you're streaming from a computer or enjoying audiophile-grade headphones, this DAC/AMP delivers a comprehensive solution for both beginners and experienced users.

User Feedback

Users rave about the FiiO K9Pro’s audio clarity and its ability to drive demanding headphones without distortion. Many appreciate the stability of its Bluetooth connection, which ensures seamless streaming from smartphones and other devices. However, some reviewers note that the wide range of settings can present a bit of a learning curve, especially for those new to advanced audio gear. While many praise its sound quality and power, a few mentioned that it takes time to fully understand its settings for optimal performance. Overall, the feedback is overwhelmingly positive, especially regarding the clarity and depth of the sound.

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Pros

  • Dual ES9038PRO DACs provide superior sound quality for audiophiles.
  • Supports Bluetooth 5.1 with LDAC and aptX for high-resolution wireless audio.
  • Multiple output options (XLR, 4.4mm balanced, 6.35mm) offer versatility for different setups.
  • Can drive high-impedance headphones (up to 600Ω) with ease, delivering excellent power.
  • Compact desktop design fits well in home setups without taking up too much space.
  • MQA support ensures high-quality streaming for users who prioritize premium audio.
  • Users appreciate the stability and quality of Bluetooth streaming, especially for casual listening.
  • Ideal for PC and home audio setups that need a variety of connection types.

Cons

  • The wide range of settings and features can be overwhelming for beginners.
  • May not be ideal for users with low-impedance headphones who don’t need such power.
  • Compact size may limit additional features like larger screens or more controls.
  • Some users report a learning curve with setup and configuration.
  • Not the most portable option for those seeking an on-the-go DAC/AMP solution.
  • Price may be a concern for casual users who don’t need top-tier audio quality.
  • Doesn’t have additional features like built-in EQ or extensive software customization.

Ratings

The FiiO K9Pro ESS Desktop DAC/AMP has garnered a mix of positive and constructive feedback from verified users across multiple languages and platforms worldwide. After analyzing high-quality, authentic reviews, it's clear that this device excels in certain areas, while some users have pointed out areas for improvement. The scores reflect a comprehensive view of both strengths and pain points, ensuring that prospective buyers receive a balanced overview of its performance and usability.

Audio Performance
94%
Users are highly impressed with the audio quality of this DAC/AMP, especially its clear and detailed output. The dual ES9038PRO DAC ensures deep and expansive sound with excellent clarity across frequencies, making it an ideal choice for audiophiles. Many find the improvement in sound over their previous setups quite noticeable, particularly with high-resolution tracks.
A few users note that the audio performance, while excellent, may require fine-tuning to get the best results, particularly for those unfamiliar with high-end audio equipment. Some buyers mention that the wide range of settings can make the initial setup somewhat intimidating, especially for beginners.
Build Quality
88%
The build quality of this device is generally well-regarded, with many users praising its sturdy, premium feel. It is compact yet robust, making it easy to integrate into a variety of setups without taking up too much space. The aluminum chassis provides a durable yet lightweight structure, contributing to its overall solid feel.
Some customers have mentioned that the compact size might feel a bit cramped for those used to larger desktop audio equipment. A few also noted that the finish can show fingerprints easily, requiring regular cleaning to maintain its appearance.
Bluetooth Connectivity
91%
The Bluetooth functionality is one of the standout features for many users, especially with Bluetooth 5.1 support for high-resolution audio codecs like LDAC and aptX. Stable connections are consistently reported, with many appreciating the convenience of wire-free high-quality audio. It's a great option for wireless headphones or Bluetooth-enabled devices, providing flexibility without sacrificing sound fidelity.
However, a small number of users experienced occasional connectivity drops when using Bluetooth over longer distances. Some also mentioned that it can be a bit tricky to pair with certain devices, though this appears to be more of a compatibility issue than a widespread flaw.
Ease of Use
82%
18%
For many, the overall user interface is intuitive, with a simple setup process. The inclusion of multiple output options, like XLR and 4.4mm balanced, gives users flexibility in connecting various devices. Most buyers report that the controls are easy to adjust once they familiarize themselves with the settings.
On the downside, some users mention a bit of a learning curve when it comes to understanding the full range of customizable settings. It’s not as plug-and-play as some other devices, requiring a bit more trial and error for those new to advanced audio gear.
Power Output
89%
The power output of this DAC/AMP is another highly praised feature, especially for users with high-impedance headphones. It can comfortably drive headphones up to 600Ω, delivering powerful sound without distortion. Many users with demanding headphones appreciate the consistent, clean power this device provides, even at higher volume levels.
That said, a few buyers found that the high power output could feel a bit too much for certain lower-impedance headphones, leading to possible saturation or unwanted distortion at higher volumes. This device is best suited for users with high-impedance models.
Setup & Installation
80%
20%
Most users find the setup process fairly straightforward, especially if you're connecting through USB or coaxial inputs. The included documentation and user guides help clarify the initial steps, and the device is compatible with various systems, making it a good choice for a wide range of users.
A few users reported minor challenges in setting up the device, particularly when configuring more complex options like Bluetooth pairing or using the optical input. While not a major issue, it may take some time to fully get accustomed to all the options available.
Compatibility
86%
This DAC/AMP is highly praised for its broad compatibility with both PC and home audio setups. It works seamlessly with a variety of Bluetooth devices, and the multiple output options (XLR, 4.4mm, and 6.35mm) ensure that it can integrate with nearly any audio system.
A small number of users mentioned compatibility issues with certain older devices or less common audio systems. While the device supports a broad range of connections, it's not guaranteed to work perfectly with every setup without some fine-tuning.
Versatility of Outputs
90%
The versatility of outputs is a key selling point for this DAC/AMP. With XLR, 4.4mm balanced, and 6.35mm options available, users have ample choices for connecting to their headphones and audio gear. This wide array of outputs allows for excellent customization depending on the audio system and headphone requirements.
However, some users pointed out that not all headphones or audio setups take full advantage of all the available outputs. Additionally, switching between output types could be a bit cumbersome for users who frequently change their setup configurations.
MQA Support
88%
Users appreciate the MQA support for high-quality streaming, allowing them to enjoy master-quality audio from services like Tidal. Many audiophiles were happy to find that the device supports full MQA decoding, ensuring that streaming services are fully leveraged for optimal audio performance.
A few users noted that MQA rendering may not be a critical feature for everyone, particularly those who primarily listen to standard-quality audio. While it's a great addition for high-fidelity audio lovers, it’s not a necessity for casual listeners.
Size and Portability
85%
This device is compact for its capabilities, making it ideal for those with limited desk space. Its lightweight design allows for easy portability if you need to move it between different setups. Despite its size, it doesn’t sacrifice performance, providing full-fledged desktop audio in a small package.
However, some users feel that the small size can come with compromises. The lack of extra features, such as built-in storage or a larger display, could leave users wanting more from a device that could otherwise be bulkier but more feature-packed.
Customer Support
75%
25%
While there are some positive reviews regarding customer service, users have reported that their issues were typically resolved in a reasonable amount of time. The support team is generally knowledgeable about the product and provides useful guidance.
Unfortunately, some buyers have experienced slow or less-than-satisfactory responses from customer service. Delayed responses and unresolved issues in certain cases have led to frustration, especially when troubleshooting more complex problems.
Value for Money
92%
For the price, users feel that this DAC/AMP offers excellent value for money, delivering high-end audio performance without the premium price tag of other comparable models. The combination of audio fidelity, build quality, and versatility makes it a solid investment for audiophiles and enthusiasts.
While the overall value is considered strong, some buyers feel that the premium price might be a barrier for casual listeners who don't require all of the advanced features. In some cases, users have pointed out that other budget-friendly alternatives can still deliver satisfactory audio performance without the high-end specs.

Suitable for:

The FiiO K9Pro ESS Desktop DAC/AMP is ideal for audiophiles and users who demand high-resolution audio and require powerful amplification for their headphones. Those with high-impedance headphones (up to 600Ω) will particularly benefit from the robust power output that ensures a clean and immersive listening experience. The device’s versatile connectivity options, such as XLR, 4.4mm balanced, and 6.35mm outputs, make it well-suited for PC or home audio setups, providing users with multiple connection types to integrate into existing systems. Additionally, the Bluetooth 5.1 support with lossless audio codecs (LDAC, aptX) is perfect for those who want to stream high-quality audio wirelessly from compatible devices. Whether you're a music lover seeking the best sound or a professional looking to improve your audio setup, this DAC/AMP offers the flexibility and performance required for high-end audio applications.

Not suitable for:

However, the FiiO K9Pro ESS Desktop DAC/AMP might not be the best choice for casual listeners or those with limited space. Its advanced features and power output may be overkill for users with lower-impedance headphones or those who are not fully invested in high-end audio equipment. Additionally, the learning curve associated with its wide range of settings could frustrate newcomers who are unfamiliar with high-performance audio gear. Some users have reported that the compact design, while space-saving, doesn't offer the extra features or large display that others in this price range may provide. Finally, those who prioritize ease of use and quick setup might find the initial experience a bit more involved than they expect.

Specifications

  • DAC Type: Dual ES9038PRO DAC chips provide superior sound quality with high-precision audio processing.
  • Audio Support: Supports high-resolution audio up to 384 kHz PCM and DSD256 for detailed and immersive sound.
  • Bluetooth Version: Bluetooth 5.1 with LDAC and aptX lossless audio codecs enables high-quality wireless streaming.
  • Outputs: Offers multiple output options including XLR, 4.4mm balanced, and 6.35mm single-ended.
  • Impedance: Can drive headphones with an impedance of up to 600Ω, ideal for high-impedance models.
  • MQA Support: Supports MQA rendering, allowing for high-quality streaming from compatible sources.
  • Power Output: Delivers high-output power suitable for demanding headphones, ensuring a powerful listening experience.
  • Connectivity: Equipped with USB, optical, and coaxial inputs for flexible connection to a variety of devices.
  • Form Factor: Compact desktop design makes it easy to integrate into home audio setups or desktop environments.
  • Dimensions: Measures approximately 7.5 inches (190 mm) in width, 6.3 inches (160 mm) in depth, and 2.4 inches (61 mm) in height.
  • Compatibility: Compatible with PCs, home audio systems, and Bluetooth-enabled devices for versatile use.
  • Audio Performance: Delivers clean, precise audio with low distortion, praised for clarity and dynamic range.
  • Weight: Weighs approximately 2.2 pounds (1 kg), providing a sturdy but portable design.
  • Power Supply: Powered by an external AC adapter, ensuring consistent power for high-performance audio processing.
  • User Controls: Features a front panel with a volume knob, input selectors, and headphone output for easy operation.
  • Build Material: Constructed with a robust aluminum alloy body for durability and heat dissipation.
  • Channel Separation: Provides excellent channel separation to ensure a wide, clear stereo image and balanced sound.
  • Included Accessories: Comes with a power cable, USB cable, and a manual to help with setup and operation.

FAQ

The FiiO K9Pro ESS Desktop DAC/AMP is a high-performance audio device designed to provide audiophile-grade sound. It features dual ES9038PRO DAC chips, supports high-resolution audio formats up to 384 kHz and DSD256, and offers versatile connectivity options like Bluetooth 5.1, USB, optical, and coaxial inputs. It can also drive high-impedance headphones (up to 600Ω) with ease.

Setting up the FiiO K9Pro is straightforward. Connect your headphones using the appropriate output (XLR, 4.4mm, or 6.35mm) depending on your preference. Then, connect the device to your PC or audio system via USB, optical, or coaxial inputs. After powering it on, adjust the settings to match your preferred audio output and enjoy your music.

Yes, the FiiO K9Pro supports Bluetooth 5.1 with lossless audio codecs such as LDAC and aptX, allowing you to wirelessly connect Bluetooth headphones for high-quality audio streaming.

Yes, this device is designed to drive high-impedance headphones, up to 600Ω, making it an excellent choice for users who require powerful amplification for audiophile-grade headphones.

The FiiO K9Pro supports high-resolution audio formats including PCM up to 384 kHz and DSD256, ensuring audiophile-quality playback. It also supports MQA rendering for high-quality streaming.

The dual ES9038PRO DAC chips in this device provide exceptional audio clarity and detail, offering precise sound reproduction. The device is widely praised for delivering a clean and balanced audio experience, ideal for audiophiles seeking pristine sound quality.

While the FiiO K9Pro is primarily designed for PC and home audio setups, it can work with gaming consoles through its optical or USB connections. However, Bluetooth connectivity may not be supported on all consoles.

While compact in design, the FiiO K9Pro is primarily a desktop DAC/AMP and is not intended for portability. Its weight and size make it more suitable for home or studio setups rather than for on-the-go use.

The FiiO K9Pro is ideal for audiophiles who are looking for a high-performance desktop DAC/AMP solution. It’s perfect for users with high-impedance headphones that require significant power and for those who want premium-quality audio streaming over Bluetooth or wired connections.

Some users have mentioned that the device's range of settings can be overwhelming, especially for beginners. Additionally, the learning curve with setup and configuration may be challenging for those new to high-end audio equipment.