Luxsin X8 Headphone Amplifier DAC & Pre Amplifier - Ex-Demo (5/5 Condition)
Luxsin X8 Headphone Amplifier DAC & Pre Amplifier - Ex-Demo (5/5 Condition)
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Score: 5 / 5 Mint
The Luxsin X8 is a reference-grade DAC, headphone amplifier, and preamplifier engineered to serve as a high-performance digital audio center for desktop and hi-fi systems. At its core is an eight-chip parallel DAC architecture featuring eight Cirrus Logic CS43198 DACs in a true dual-mono configuration (four per channel) with dedicated custom shielding covers for thermal balance and RF isolation. Driven by a custom Digital Audio Core operating on a dual-core HiFi-5 DSP and ARM STAR architecture, the X8 delivers advanced real-time digital signal processing, hardware-level EQ calibration, and edge-level AI audio execution.
Built with an upgraded amplifier stage utilizing multiple OPA1612 op-amps and TPA6120A2 high-current drivers, the X8 delivers a formidable output power (L+R ≥ 4800 mV + 4800 mV) through 6.35mm, 4.4mm, and XLR4 outputs. It introduces Luxsin's proprietary Full-Interface Impedance Detection, automatically tailoring gain settings without affecting the main audio signal path. The unit features a CNC-machined aluminum chassis angled at 15°, a 4.0-inch 1080P color touchscreen, and a fully separated linear power supply with user-adjustable dual analog rail voltages (12V/15V).
KEY FEATURES & PROPRIETARY TECHNOLOGIES
- 8x CS43198 Dual-Mono Parallel DAC Architecture: Quad DACs per channel operate in a synchronized parallel layout with independent power supplies to maximize dynamic range, lower background noise, and eliminate crosstalk.
- Dedicated DAC Shielding Covers: Individual metallic shielding enclosures protect each CS43198 chip from digital circuit interference while facilitating passive heat dissipation.
- HiFi-5 DSP + ARM STAR Digital Audio Core: High-performance dual-core processing module operating at over 500 MHz provides computational headroom for complex real-time DSP, AI algorithms, and firmware expansion.
- World's First AI-Assisted PEQ Tuning & HP-EQ: Natural language text/voice AI tuning paired with Luxsin's proprietary HP-EQ hardware calibration tool containing target curves for over 2,500 headphone models.
- Comprehensive Acoustic DSP Suite: Integrated hardware crossfeed, stereo width control, tone adjustment, and intelligent volume-compensated loudness filtering.
- Full-Interface Isolated Impedance Detection: Auto-detects headphone impedance across XLR4, 4.4mm, and 6.35mm jacks using a isolated bypass loop to auto-assign optimal gain without signal degradation.
- Variable Voltage Linear Power Supply: Independent digital and analog linear power rails featuring real-time voltage/current monitoring and switchable 12V/15V analog operating rails.
- Multi-Platform Luxsin Controller & Custom IIS Input: Comprehensive remote control via iOS/Android apps, PC/Mac web interfaces, 4.0-inch front touchscreen, and an IIS input supporting eight custom pinout configurations.
SPECIFICATIONS
| Specification | Detail |
|---|---|
| Product Category | Intelligent DAC, Headphone Amplifier & Preamplifier |
| Brand / Manufacturer | Luxsin |
| Model Name | X8 |
| DAC Architecture | 8x Cirrus Logic CS43198 (4 DACs Parallel per Channel, Dual-Mono Layout) |
| Digital Audio Core Processor | Dual-Core HiFi-5 DSP (>500 MHz) + ARM STAR Architecture with On-Chip SRAM |
| Shielding & Thermal Control | Custom Individual Shielding Covers on each DAC Chip |
| Amplifier Circuitry | Multiple OPA1612 Operational Amplifiers + TPA6120A2 High-Current Drivers |
| Headphone Power Output | L+R ≥ 4800 mV + 4800 mV |
| Impedance Auto-Detection | Full-Interface Bypass Detection across 6.35mm, 4.4mm, and XLR4 Outputs |
| Equalization & DSP Functions | AI-Assisted PEQ, HP-EQ (2,500+ Headphone Target Database), Crossfeed, Stereo Width, Tone Adjust, Loudness |
| Power Supply System | Separated Linear Power Supply with Dual Analog Voltage Switch (12V / 15V) |
| Display | 4.0-inch 1080P (960 x 480 Resolution) Full-Color Touchscreen |
| Chassis Construction | Solid CNC-Machined Aluminum Chassis with 15° Angled Front Panel |
| Digital Inputs | USB-B, USB-C, Optical (Toslink), Coaxial (S/PDIF), IIS (Supports 8 Pinout Modes) |
| Headphone Outputs | 1x 6.35mm Unbalanced, 1x 4.4mm Balanced, 1x 4-Pin XLR Balanced |
| System Automation Connections | 12V Trigger In / 12V Trigger Out |
| Control Methods | Mobile App (iOS/Android), Computer Web Interface (Windows/macOS), Touchscreen, Optional IR Remote |
| Firmware Support | Local USB Updates and OTA (Over-The-Air) Online Firmware Updates |
Pre-owned Terms & Condition
Pre-owned Terms & Condition
Our Grading Guarantee
All equipment listed on this site undergoes a multi-point inspection by our staff. While we use a standardised 1–5 Grading Scale, please note that "pre-owned" implies some degree of previous life. We strive for transparency and use the following terms:
- Visual Inspection: Condition grades are subjective but applied conservatively. We provide high-resolution photography of the actual unit for sale (no stock photos). We encourage buyers to zoom in on all images as they constitute part of the formal product description.
- Functional Testing: Unless labelled Grade 1 , all units have been tested for power, input/output integrity, and basic mechanical operation. Vintage units (20+ years) are tested for "period-appropriate" functionality; unless specified, internal components like capacitors are original.
- "Fair" Exclusions: Items graded 1 (Fair) are sold strictly for parts or repair. These items are ineligible for returns, refunds, or "Item Not as Described" claims regarding their condition.
- Return Window: If a unit arrives in a condition significantly different than its assigned grade (e.g., a Grade 4 unit arrives with a shattered faceplate), you must notify us within 24 hours of delivery.
Condition Grading Guide
Condition Grading Guide
Mint
Visually and mechanically indistinguishable from a new unit.
Excellent
Extremely clean. The item has been handled with care and shows only the slightest signs of use.
Very Good
Looks "used" but has been respected.
Good
Functional, but shows its age.
Fair
Functional, but may have some damage or missing parts.
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