Luxsin Audio X8 DAC and Headphone Amplifier
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Available - Usually ships within 2-3 days
Features
| Headphone Socket | No |
|---|---|
| Brand Color | None |
| Warranty The length of time your product is protected by warranty | 2 Years |
| Product Type | Other |
Tech Specs
Basic Parameters
- Model: Luxsin X8
- Color: Black
- Dimensions (L × W × H): 236 × 236.8 × 64 mm
- Weight: 2750 g
- Display: 4" LCD (480 × 960) touchscreen
- Input power: AC 100–120 V / 220–240 V, 50/60 Hz
- DAC: Cirrus Logic CS43198 × 8
- Power supply: Ultra-low-noise, voltage-adjustable linear power supply
- WiFi: 2.4 GHz / 5 GHz
- Bluetooth: Qualcomm SXW5125, Bluetooth 5.1
- Firmware: OTA online upgrade / local upgrade
- Control methods: Touchscreen, mobile app (Android / iOS), web browser, IR remote (optional)
- Rated power: 25 W
Packing List
- Power cable × 1
- USB-B cable × 1
- 3.5 mm to 6.35 mm adapter × 1
Input / Output
- USB-A input: For local upgrade
- USB-B input: PCM up to 768 kHz / 32-bit; DSD512 (Native)
- USB-C input: PCM up to 768 kHz / 32-bit; DSD512 (Native)
- IIS input: PCM up to 768 kHz / 32-bit; DSD512 (Native)
- Coaxial input: PCM up to 192 kHz / 24-bit
- Optical input: PCM up to 192 kHz / 24-bit
- Trigger in: Standard 3.5 mm connector
- Trigger out: Standard 3.5 mm connector
- Analog output: RCA
- Digital output: XLR
- Headphone outputs:
- 6.35 mm unbalanced
- 4.4 mm balanced
- 4-pin XLR balanced
XLR Output Audio Characteristics
- SNR: ≥ 129.5 dB
- THD+N: < −121.8 dB (unweighted)
- Crosstalk: ≥ 133 dB (1 kHz @ 200 kΩ)
- Noise floor: < 1.1 µVrms
- Output level: 4.2 Vrms (1 kHz @ 200 kΩ)
RCA Output Audio Characteristics
- SNR: ≥ 124.5 dB
- THD+N: < −120 dB (unweighted)
- Crosstalk: ≥ 125 dB (1 kHz @ 100 kΩ)
- Noise floor: < 1.3 µVrms
- Output level: 2.1 Vrms (1 kHz @ 100 kΩ)
Balanced Headphone Output (4.4 mm / 4-pin XLR)
Low Gain
- L+R ≥ 4840 mW + 4840 mW (16 Ω, THD+N < 1%), 8.8 Vrms
- L+R ≥ 2500 mW + 2500 mW (32 Ω, THD+N < 1%), 8.9 Vrms
- L+R ≥ 270 mW + 270 mW (300 Ω, THD+N < 1%), 9 Vrms
Medium Gain
- L+R ≥ 4840 mW + 4840 mW (16 Ω, THD+N < 1%), 8.8 Vrms
- L+R ≥ 3900 mW + 3900 mW (32 Ω, THD+N < 1%), 11.2 Vrms
- L+R ≥ 430 mW + 430 mW (300 Ω, THD+N < 1%), 11.4 Vrms
High Gain
- L+R ≥ 4840 mW + 4840 mW (16 Ω, THD+N < 1%), 8.8 Vrms
- L+R ≥ 4300 mW + 4300 mW (32 Ω, THD+N < 1%), 11.8 Vrms
- L+R ≥ 950 mW + 950 mW (300 Ω, THD+N < 1%), 16.9 Vrms
- Output impedance: < 1 Ω
- THD+N: < −117 dB (1 kHz / 0 dB @ 32 Ω)
- SNR: ≥ 123 dB
- Crosstalk: ≥ 119 dB (1 kHz @ 32 Ω)
Unbalanced Headphone Output (6.35 mm)
Low Gain
- L+R ≥ 1300 mW + 1300 mW (16 Ω, THD+N < 1%), 4.5 Vrms
- L+R ≥ 630 mW + 630 mW (32 Ω, THD+N < 1%), 4.5 Vrms
- L+R ≥ 70 mW + 70 mW (300 Ω, THD+N < 1%), 4.5 Vrms
Medium Gain
- L+R ≥ 2000 mW + 2000 mW (16 Ω, THD+N < 1%), 5.6 Vrms
- L+R ≥ 1000 mW + 1000 mW (32 Ω, THD+N < 1%), 5.6 Vrms
- L+R ≥ 100 mW + 100 mW (300 Ω, THD+N < 1%), 5.6 Vrms
High Gain
- L+R ≥ 2900 mW + 2900 mW (16 Ω, THD+N < 1%), 6.8 Vrms
- L+R ≥ 1750 mW + 1750 mW (32 Ω, THD+N < 1%), 7.5 Vrms
- L+R ≥ 230 mW + 230 mW (300 Ω, THD+N < 1%), 8.4 Vrms
- Output impedance: < 1 Ω
- THD+N: < −115 dB (1 kHz / 0 dB @ 32 Ω)
- SNR: ≥ 121 dB
Description
The Luxsin Audio X8 DAC and Headphone Amplifier represents the next stage in Luxsin’s rapid evolution as a high-performance audio brand. Building on the success of the reference grade X9, the X8 has been shaped by extensive user feedback, real-world testing, and continuous firmware refinement.
Development began even before the X9 reached the market, allowing Luxsin to carry forward proven concepts while rethinking both hardware and software from the ground up. The result is an intelligent DAC and headphone amplifier that balances cutting-edge technology with long-term reliability.
Designed with sound quality, usability, and stability as equal priorities, the X8 reflects Luxsin’s commitment to delivering products that evolve alongside the needs of modern audiophiles.
Parallel DAC Architecture and Signal Integrity
At the core of the Luxsin Audio X8 DAC and Headphone Amplifier is an advanced parallel DAC architecture using eight Cirrus Logic CS43198 chips. Each channel operates with four DACs in parallel within a true dual mono layout, with fully independent power supplies and signal paths for left and right channels.
This approach minimizes crosstalk while improving dynamic range, signal-to-noise ratio, and low-level detail retrieval. Precisely summed analog outputs ensure stable imaging and a clear spatial presentation.
A dedicated high-speed data buffering and clock distribution circuit keeps all DACs operating within the same reference domain, preventing timing mismatch and preserving absolute synchronization for accurate and natural sound reproduction.
Dedicated Shielding and Digital Audio Core
Each CS43198 DAC within the X8 is protected by a custom shielding cover that isolates sensitive analog stages from digital circuitry and high-frequency interference. This shielding also assists with heat dissipation and thermal balance, ensuring consistent long-term performance.
Supporting the DAC stage is Luxsin’s proprietary Digital Audio Core, a powerful processing module built on a dual-core HiFi 5 DSP and ARM STAR architecture. Operating at over 500 MHz with large on-chip memory, it provides the computational headroom needed for advanced real-time processing.
Its scalable design allows for future expansion, including edge-level AI audio processing, ensuring the X8 remains technologically relevant for years to come.
AI-Assisted EQ and Advanced HP EQ System
The X8 introduces a new era of personalization through the world’s first AI-assisted EQ tuning system. Using simple voice or text commands, listeners can instantly adjust overall tonal balance or fine-tune specific aspects of the sound.
This intuitive approach makes professional-grade tuning accessible to all users through mobile apps or a PC web interface. Complementing this is Luxsin’s proprietary HP EQ system, which performs hardware-level headphone calibration.
With a database covering over 2,500 headphone models, HP EQ aligns frequency response to target curves such as Harman, while allowing users to save and instantly recall multiple sound profiles for different listening preferences.
Comprehensive DSP and Intelligent Amplification
Beyond EQ, the Luxsin Audio X8 DAC and Headphone Amplifier offers a full suite of DSP functions designed to enhance realism and comfort. Crossfeed simulates speaker style listening, stereo width adjustment shapes soundstage presentation, tone controls refine overall character, and loudness compensation maintains balance at low volumes.
An advanced full interface impedance detection system automatically matches gain across all outputs without affecting signal purity. Power delivery is handled by an upgraded headphone amplifier stage using multiple OPA1612 op amps and TPA6120A2 drivers. With output levels reaching L and R greater than 4800 mV each, the X8 drives even the most demanding flagship headphones with authority, speed, and precision.
Power Design, Interface, and Connectivity
The X8 employs a fully separated linear power supply with independent regulation for digital and analog circuits, significantly reducing noise and enhancing background clarity.
Adjustable analog voltage rails provide additional control and stability. Visually, the X8 continues Luxsin’s signature design language with a CNC-machined aluminum chassis and a 4-inch high-resolution color touchscreen angled for ergonomic operation.
User settings are automatically saved per output, allowing seamless switching without readjustment. Control is available through mobile apps, web interfaces, and an optional infrared remote. With USB, optical, coaxial, and IIS inputs, and 12-volt trigger support, the X8 integrates effortlessly into both headphone and full system audio setups.
Key Features
- Parallel DAC : 8 × CS43198The X8 features eight Cirrus Logic CS43198 DAC chip
- DAC Dedicated Shielding: Each of the eight CS43198 DACs is equipped with a custom shielding cover.
- Digital Audio Core: The Digital Audio Core in the X8 is a high-performance processing module deeply customized by Luxsin.
- Built on a dual-core HiFi-5 DSP and ARM STAR architecture.
- The AI Era of PEQ: World's First AI-Assisted EQ Tuning.
- Advanced HP-EQ system: HP-EQ is Luxsin’s proprietary acoustic technology that performs hardware-level EQ calibration.
- Comprehensive DSP Functions: Crossfeed, Stereo Width Adjustment, Tone Adjust and Loudness.