Luxsin X9 Reference-Grade DAC & Headphone Amplifier
The Luxsin X9 sets a new benchmark for audiophiles, delivering uncompromising performance with a fusion of advanced engineering and refined design. Built for high-fidelity sound enthusiasts, the X9 combines flagship-grade DAC architecture, precision-balanced circuitry, and innovative technologies like HP-EQ and dynamic negative feedback to achieve stunning clarity, depth, and tonal accuracy. Its robust feature set includes a full-color touchscreen, smart control system, wide connectivity options, and a CNC-machined aluminum chassis for both durability and elegance. Whether used as a headphone amplifier, preamplifier, or reference DAC, the Luxsin X9 is crafted to provide pure sound and pure serenity for every listening session.
Read our recommended Best Headphone Amps here.
Specifications
-
DAC: AK4499EX with OPA1612 op-amp stabilization
-
Volume Control: Fully balanced R2R circuit with 0.1dB accuracy
-
Headphone EQ: HP-EQ real-time hardware-level equalization with 2500+ headphone profiles
-
Impedance Detection: Self-developed automatic headphone impedance measurement with gain recommendation
-
Sound Processing: Digital crossfeed, adjustable soundstage depth and width
-
Dynamic Negative Feedback: OPA1612 + TPA6120A2 for reduced distortion and enhanced tonal purity
-
Touchscreen: 4.0-inch full-color display with blackout mode and auto-standby
-
Visuals: Customizable VU meter styles
-
Build: CNC-machined aluminum chassis with diamond-cut bevel design at 15° incline
-
Components: WIMA capacitors, gold-plated electrolytics, femtosecond clock, OCC silver-plated cables
-
Inputs: USB-B/USB-C, HDMI ARC, optical, coaxial, RCA (unbalanced), Bluetooth 5.0 (AAC/SBC)
-
Outputs: XLR balanced, RCA unbalanced, subwoofer outputs, headphone ports (6.35mm/4.4mm)
-
Performance (XLR): 4.2Vrms output, 20Hz–20kHz ±0.25dB, >128dB SNR, THD+N <0.000096%, Crosstalk >-117dB
-
Performance (RCA): 2.1Vrms output, >125dB SNR, THD+N <0.00010%, Crosstalk >-114dB
-
Performance (Headphones): 4–15Vrms output, >128dB SNR, THD+N <0.00016%
-
Control: Infrared remote, wireless phone/PC control, OTA firmware updates
-
Supported Formats: DSD512, PCM 768kHz 32-bit (USB), PCM 192kHz 24-bit (HDMI ARC/Optical/Coaxial)
Key Features List
-
HP-EQ Technology: Automatically adjusts headphone output using real-time EQ for over 2500 headphone models, delivering sound tuned to the Harman curve or user-customized profiles.
-
Precision Volume Control: Balanced R2R circuit ensures 0.1dB left-right channel accuracy, eliminating distortion and preserving perfect stereo balance.
-
Impedance Detection System: Intelligent measurement of headphone impedance with auto-gain adjustment for optimal performance and no impact on sound quality.
-
Dynamic Negative Feedback: Proprietary OPA1612 + TPA6120A2 circuitry reduces distortion for a transparent, pure, and immersive sonic experience.
-
Touchscreen Interface: 4.0-inch HD display provides intuitive control with blackout and standby modes for immersive listening and energy efficiency.
-
True Full-Balance Design: Fully differential circuitry from DAC to amplifier guarantees maximum resolution, depth, and clarity across all stages.
-
Customizable Sound Experience: Digital crossfeed and adjustable soundstage allow listeners to fine-tune depth and spatial presentation without analog coloration.
-
Premium Build: Diamond-cut aluminum chassis with CNC machining enhances durability, heat dissipation, and ergonomic control.
Q&A Section
Q: What makes the Luxsin X9 unique compared to other DAC/amps?
A: The X9 combines flagship AK4499EX DAC processing, HP-EQ headphone optimization, full-balance circuitry, and advanced digital sound customization in one device, making it a true reference-grade solution.
Q: Does the Luxsin X9 support high-resolution audio formats?
A: Yes, it supports DSD512 and PCM 768kHz 32-bit via USB, as well as PCM 192kHz 24-bit through HDMI ARC, optical, and coaxial inputs.
Q: Can the X9 optimize sound for my specific headphones?
A: Absolutely. Its HP-EQ technology adjusts EQ in real time and provides profiles for over 2500 headphone models, with custom EQ profiles also supported.
Q: How does the impedance detection feature work?
A: The X9 automatically measures headphone impedance and recommends the ideal gain setting, ensuring accurate performance without affecting sound quality.
Q: Is the Luxsin X9 suitable as a preamplifier?
A: Yes, it functions as a high-quality desktop preamp with XLR, RCA, and subwoofer outputs, making it ideal for home and studio setups.
Q: Can I control the X9 remotely?
A: Yes, it supports infrared remote, wireless phone and PC control, and receives OTA firmware updates for ongoing performance improvements.
Q: Does it include crossfeed and soundstage adjustment?
A: Yes, digital crossfeed and adjustable soundstage depth/width allow you to create a more natural and fatigue-free listening experience.
Q: What type of build quality can I expect?
A: The X9 features a CNC-machined aluminum chassis with a diamond-cut bevel, premium audiophile components, and excellent heat dissipation for durability and style.
Luxsin X9 User Manual
