Luxsin X8 Headphone Amplifier DAC & Pre Amplifier
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Product Overview & Specifications
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 |
Customer Reviews
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Luxsin X8 Headphone Amplifier DAC & Pre Amplifier
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