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LUXSIN X9
Reference DAC, amplifier, and preamplifier with HP-EQ technology.
All-in-one desktop solution for demanding audiophiles
HP-EQ technology: automatic equalization for over 2,500 headphones
R2R volume control: ultra-fine tuning with 0.1 dB precision
AK4499EX + OPA1612 DAC: elite decoding up to 32-bit/768kHz and DSD512
Powerful amplification: up to 15 Vrms, 6.35 mm and 4.4 mm outputs
Configurable soundstage and digital crossfeed
4" touchscreen with real-time VU meter
USB-B/C, HDMI ARC, optical, coaxial, RCA, Bluetooth 5.0 inputs
XLR, RCA, and subwoofer outputs
Ergonomically tilted machined aluminum chassis
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Luxsin X9: Reference DAC, Preamplifier and Headphone Amplifier with HP-EQ Technology
The Luxsin X9 is much more than just a DAC or headphone amp—it's a complete desktop audio solution that merges premium design with cutting-edge technologies to deliver a purist, precise, and personalized listening experience. Designed for demanding audiophiles and sound professionals, the X9 integrates innovative features such as HP-EQ automatic headphone adjustment, R2R volume control, intelligent impedance calibration, and a fully balanced audio architecture, all wrapped in a sleek, machined aluminum chassis.
Adaptive Sound with HP-EQ
The exclusive HP-EQ system applies real-time hardware-level EQ based on the impedance and frequency response of your headphones. Compatible with over 2,500 headphone models, it also supports custom EQ profiles with one-click switching between tonal signatures, ensuring an always-optimal listening experience.
R2R Volume Control for Absolute Precision
With a fully balanced R2R volume control, the X9 allows ultra-fine adjustments with a precision of 0.1 dB between left and right channels, ensuring perfect balance and distortion-free fidelity.
Smart Impedance Detection
Thanks to its automatic impedance self-check and gain adjustment, the X9 intelligently evaluates connected headphones (6.35 mm or 4.4 mm) and selects the ideal output configuration. This process is non-intrusive and does not affect the audio signal.
Elite-Grade DAC: AK4499EX + OPA1612
The X9 uses the high-end AK4499EX DAC, paired with an OPA1612 op-amp, achieving a total harmonic distortion (THD+N) of less than -120 dB. The internal design includes an ultra-low ripple power supply (40 nV) and star-grounded power distribution, separating digital and analog stages for maximum sonic purity.
Customizable Soundstage and Crossfeed
The X9 features advanced digital crossfeed, simulating a natural speaker-like stereo image for a more relaxed listening experience. Users can also digitally adjust the depth and width of the soundstage without adding distortion or coloration.
Touchscreen Display and Real-Time VU Meters
Its 4-inch 1080p touchscreen (960 x 400) offers a clear and intuitive interface. Customizable real-time VU meters display audio dynamics with precision, merging aesthetics and functionality.
Fully Balanced Architecture and Dynamic Feedback
Each stage—from DAC to amplification—follows a fully differential balanced design. The Dynamic Negative Feedback (DNF) technology enhances linearity, reduces distortion, and improves microdynamic performance.
Versatile Connectivity for Any Setup
The Luxsin X9 seamlessly fits into Hi-End desktop, studio, or home theater setups thanks to a comprehensive set of connections:
Inputs: USB-B, USB-C, HDMI ARC, Optical, Coaxial, Bluetooth 5.0 (SBC/AAC), Analog RCA
Outputs: XLR balanced, RCA, dual subwoofer
Headphone Outputs: 6.35 mm and 4.4 mm (up to 15 Vrms)
Smart OS and OTA Updates
Running on a real-time operating system (RTOS) optimized for performance, the X9 supports control via infrared, Bluetooth, mobile app (iOS and Android), and OTA (Over-the-Air) updates for future enhancements.
Premium Build: Style and Durability
Machined from CNC aluminum with diamond-cut edges, the X9 not only offers excellent heat dissipation but also features an elegant 15° inclined design—perfect for desktop audiophile environments.
Technical Specifications
DAC: AK4499EX + AK4191EQ
Digital Processor: AKM 7739
Amplification: OPA1612 + TPA6120A2
Max Resolution: PCM 768 kHz / 32-bit, DSD512
Dynamic Range: >128 dB
THD+N: Up to -120.3 dB
Digital Inputs: USB-B, USB-C, Optical, Coaxial, HDMI ARC
Analog Inputs: RCA
Analog Outputs: XLR, RCA, dual subwoofer
Wireless: Bluetooth 5.0 (SBC/AAC)
Display: 4" TFT touchscreen (960 x 400)
Dimensions: 300 x 206 x 65 mm
Weight: 3.72 kg
Power Consumption: 25 W
Included in the Box
Luxsin X9 DAC/Amplifier
Power cable
USB-B cable
USB-C OTG cable
Remote control
User manual
Luxsin X9: Balance, Power, and Detail at the Highest Level
If you're looking for a reference-grade DAC and headphone amplifier with automatic EQ, balanced architecture, adjustable soundstage, and top-tier construction quality, the Luxsin X9 sets a new benchmark for high-end desktop audio.
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