Luxsin X8 DAC & Headphone Amplifier

Description

About the Luxsin X98 DAC & Headphone Amplifier

The Luxsin X8 DAC & Headphone Amplifier’s digital section uses eight Cirrus Logic CS43198 DAC chips. Four converters operate in parallel for each channel, creating a true dual-mono architecture with independent left and right signal paths.

The powerful headphone stage delivers up to 4,840mW per channel into 16 ohms through its balanced outputs. Three gain settings and automatic impedance detection support everything from sensitive headphones to demanding planar-magnetic and high-impedance models.

Luxsin’s DSP platform includes HP-EQ profiles for more than 2,500 headphones, parametric EQ, crossfeed, soundstage adjustment, tone controls, and AI-assisted tuning through natural-language commands.

Inputs include USB-B, USB-C, optical, coaxial, Bluetooth 5.1, and HDMI-based I²S. Balanced XLR and unbalanced RCA outputs allow the X8 to control active speakers or a separate power amplifier.

What We Think

The Luxsin X8 is one of the most interesting headphone products in its class.

Its main attraction is not simply the eight-DAC specification. Instead, it is the combination of substantial headphone power and unusually approachable audio personalisation.

Traditional parametric EQ is powerful, but it can be intimidating. The Luxsin X8 DAC & Headphone Amplifier allows the listener to describe a desired change using everyday language. For example, you could request deeper bass, less vocal sharpness, or smoother treble. The system then creates an EQ adjustment that can be reviewed and refined.

It also includes Luxsin’s extensive HP-EQ headphone database. Therefore, you can begin with a correction profile for a particular headphone, then tailor the result to your own preferences.

The headphone amplifier is more powerful than the Luxsin X9. It delivers up to 4.84 watts per channel into 16 ohms through its balanced outputs. Automatic impedance detection also works across all three headphone connections.

Bluetooth 5.1 audio reception is included. However, the X8 is not a full network streamer. Wi-Fi is used for control, browser access, database functions, and firmware updates rather than native Spotify Connect, TIDAL Connect, Qobuz Connect, AirPlay, or Google Cast playback.

The lower-priced Luxsin X8 DAC & Headphone Amplifier also removes several X9 system features. It has no HDMI ARC, analogue input, dedicated subwoofer output, or hearing-compensation test.

Overall, the X8 is our pick for headphone-first buyers wanting powerful amplification, advanced EQ, flexible digital connectivity, and excellent value.

 

 

 

View Product Manual & Support >> View Fosi Audio Products >>

 

The Luxsin X8 is ideal for:

• Headphone-first desktop audio systems
• Demanding planar-magnetic headphones
• High-impedance dynamic headphones
• Sensitive headphones requiring low output impedance
• Buyers wanting more headphone power than the Luxsin X9
• Listeners interested in AI-assisted EQ
• Users who find manual parametric EQ intimidating
• Owners of several different headphones
• Computer audio up to PCM 768kHz and DSD512
• Bluetooth playback from phones and tablets
• Digital transports with HDMI-based I²S
• Balanced active-speaker systems
• Power-amplifier and passive-speaker systems
• Buyers who do not require HDMI ARC or analogue inputs

 

Reviews & Comments

• Headfonics awarded the X8 8.9 out of 10. The review praised its interactive AI tuning, neutral-warm presentation, app experience, high output power, and compatibility with sensitive and demanding headphones. Headfonics also tested Bluetooth playback and reported support for SBC, AAC, aptX, aptX HD, aptX Low Latency, and LDAC. However, codec availability can depend on firmware and the transmitting device.

 

Frequently Asked Questions

1. What is the Luxsin X8?
   The X8 is a desktop DAC, balanced headphone amplifier, and digital preamplifier. It combines eight CS43198 DAC chips, powerful headphone outputs, advanced DSP, and AI-assisted EQ.
2. Does the Luxsin X8 have Bluetooth?
   It has Bluetooth 5.1 audio reception. Bluetooth appears in Luxsin’s official specifications, input menu, manual, pairing instructions, and rear-panel diagram. It can receive audio from compatible phones, tablets, and computers.
3. Can the X8 transmit sound to Bluetooth headphones?
   No Bluetooth transmission is published. Bluetooth operates as an input for sending audio to the X8. Use the front headphone connections for listening.
4. Which Bluetooth codecs does the X8 support?
   Independent testing reports SBC, AAC, aptX, aptX HD, aptX Low Latency, and LDAC. However, Luxsin does not provide a consistent codec list across its official documentation. Confirm current firmware support if a particular codec is essential.
5. Why does the X8 use eight DAC chips?
   Four DACs operate in parallel for each channel. This arrangement is designed to lower noise, improve dynamic range, and maintain independent left and right signal paths.
6. How powerful is the balanced headphone output?
   It delivers up to 4,840mW per channel into 16 ohms, 4,300mW into 32 ohms, and 950mW into 300 ohms under Luxsin’s published high-gain conditions.
7. Can the X8 drive sensitive earphones?
   Its output impedance is below one ohm, and low gain is provided. However, it is an extremely powerful amplifier. Begin at minimum volume and confirm that the available range suits the connected earphones.
8. What does AI-assisted EQ do?
   It converts natural-language requests into frequency-response adjustments. You can request deeper bass or smoother treble without manually selecting every PEQ frequency, gain, and bandwidth.
9. What is HP-EQ?
   HP-EQ is Luxsin’s database of correction profiles for more than 2,500 headphone models. Select the connected headphone and target curve, then the X8 applies the associated frequency-response correction.
10. Does HP-EQ work with every sample rate?
    HP-EQ processes PCM signals up to 192kHz. Higher-rate PCM and DSD bypass this DSP processing and pass directly to the DAC.
11. Does the X8 automatically detect headphone impedance?
    It supports automatic impedance detection through its 6.35mm, 4.4mm, and four-pin XLR outputs. Manual gain selection remains available.
12. Can the X8 connect to a television through HDMI ARC?
    Its HDMI-shaped connection is an I²S input, not HDMI ARC. A compatible television can instead connect through optical stereo PCM.
13. Can the X8 operate as a preamplifier?
    Its balanced XLR and unbalanced RCA outputs can feed active speakers or a power amplifier. The outputs can operate separately or simultaneously.
14. What are the main differences between the Luxsin X8 and X9?
    The X8 provides more headphone power, eight CS43198 DACs, AI-assisted EQ, automatic impedance detection on every headphone port, and I²S. The X9 adds an AK4499EX DAC, HDMI ARC, analogue input, R2R volume control, hearing compensation, and dual subwoofer outputs.

 

Key Features

Eight CS43198 DAC Chips

The X8 uses eight Cirrus Logic CS43198 converters.

Four DACs operate in parallel for each channel. The left and right channels have independent power supplies, circuit layouts, and signal paths.

Parallel conversion is designed to reduce noise while improving dynamic range and low-level resolution. Each DAC also has an individual shielding cover to reduce interference and assist thermal stability.

True Dual-Mono Architecture

The left and right audio channels remain independent through the core conversion architecture.

This arrangement helps reduce crosstalk and unwanted interaction between channels. As a result, the X8 is designed to produce stable imaging and clearly separated musical detail.

Advanced Digital Audio Core

Luxsin uses a customised dual-core platform combining HiFi-5 DSP and ARM STAR processing.

The DSP operates at more than 500MHz and has dedicated on-chip memory. This provides the processing capacity required for real-time EQ, crossfeed, headphone profiles, and future firmware features.

AI-Assisted EQ Tuning

The X8 allows tonal adjustments to be requested through natural-language text commands.

For example, the user can ask for stronger sub-bass, smoother upper midrange, reduced treble sharpness, or a warmer overall balance. The system then generates an EQ curve and explains the intended changes.

AI-assisted EQ modifies frequency response. It cannot change the connected headphone’s physical driver, distortion behaviour, sound leakage, isolation, or comfort.

HP-EQ Headphone Database

More than 2,500 headphone profiles are available through Luxsin’s HP-EQ database.

Select the connected headphone model and a target curve, then the Luxsin X8 DAC & Headphone Amplifier loads the relevant correction. Frequently used models can be saved for faster access.

The database continues to evolve through online updates. However, headphone fit, earpad wear, unit variation, and personal preference can still affect the final result.

Hardware-Based DSP

DSP functions are processed by the X8 rather than relying entirely on music-player software.

Available tools include:

• Parametric EQ
• HP-EQ correction
• Crossfeed
• Soundstage-width adjustment
• Bass, midrange, and treble controls
• Loudness compensation
• Music and mood presets
• Configurable digital filters

HP-EQ processes PCM signals up to 192kHz. Higher-rate PCM and DSD bypass this processing and pass directly to the DAC.

Powerful Balanced Headphone Amplifier

The balanced 4.4mm and four-pin XLR outputs deliver substantial power.

Published high-gain output includes:

• 4,840mW per channel into 16 ohms
• 4,300mW per channel into 32 ohms
• 950mW per channel into 300 ohms

This makes the X8 suitable for many demanding planar-magnetic and high-impedance headphones.

Strong Unbalanced Output

The 6.35mm output is also unusually capable.

In high gain, Luxsin publishes:

• 2,900mW per channel into 16 ohms
• 1,750mW per channel into 32 ohms
• 230mW per channel into 300 ohms

A 3.5mm-to-6.35mm adaptor is included for headphones with a standard portable plug.

Less Than One-Ohm Output Impedance

Both balanced and unbalanced headphone outputs have a published output impedance below one ohm.

This supports predictable frequency response with a wide variety of headphones and sensitive earphones. However, the X8’s high power requires careful volume and gain management.

Automatic Impedance Detection

The X8 can detect headphone impedance through its 4.4mm, four-pin XLR, and 6.35mm outputs.

It then applies a recommended gain setting. This is a useful starting point, although experienced users should still compare the available gain levels.

Per-Output Settings Memory

The X8 remembers independent settings for each headphone output.

Stored parameters include volume, EQ, sound effects, and crossfeed. Therefore, changing from a balanced headphone to an unbalanced model does not require the setup to be recreated.

Bluetooth 5.1 Audio Input

Bluetooth allows compatible phones, tablets, and computers to send audio directly to the X8.

Luxsin’s official product page specifies Bluetooth 5.1. The manual also lists Bluetooth as a selectable source and shows a dedicated Bluetooth antenna on the rear panel.

Independent testing reports support for SBC, AAC, aptX, aptX HD, aptX Low Latency, and LDAC. However, Luxsin does not clearly publish a definitive codec list on its main specification page. Therefore, confirm current firmware support if one particular codec is essential.

Bluetooth is provided for audio reception. The X8 does not transmit audio to wireless headphones.

High-Resolution USB Audio

USB-B and USB-C support PCM up to 32-bit/768kHz and native DSD512.

USB-B suits computers and dedicated transports. USB-C OTG supports compatible phones, tablets, laptops, and digital streaming devices.

The rear USB-A connection is used for local firmware updates rather than music playback.

HDMI-Based I²S Input

The HDMI-shaped I²S connection supports PCM up to 32-bit/768kHz and native DSD512.

Eight configurable interface modes improve compatibility with digital transports from different manufacturers.

This is not an HDMI ARC or conventional television input. Connect only compatible I²S equipment after confirming its pin configuration.

Optical and Coaxial Inputs

Optical and coaxial S/PDIF inputs support PCM up to 24-bit/192kHz.

These inputs are suitable for CD transports, network streamers, televisions with compatible stereo PCM output, and other digital sources.

Balanced and Unbalanced Line Outputs

Rear XLR and RCA outputs allow the X8 to operate as a digital preamplifier.

The XLR outputs provide a published level of 4.2Vrms. RCA output is rated at 2.1Vrms.

XLR and RCA can be selected individually or used simultaneously. Fixed or variable volume behaviour should be checked before connecting a power amplifier.

Four-Inch Colour Touchscreen

The 960 × 480 touchscreen presents source, output, format, volume, EQ, and system information.

Multiple VU-meter displays are available. The front panel is inclined by 15 degrees, making the interface easier to view and operate on a desk.

App and Browser Control

The X8 can be managed through the Luxsin app for Android and iOS or through a browser on the same network.

Wi-Fi also supports online firmware and headphone-database updates. It does not provide native music-service streaming.

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System Match Ideas

The Luxsin X8 DAC & Headphone Amplifier makes an excellent partner for demanding planar-magnetic headphones and a dedicated network streamer.

Connect the streamer through USB, coaxial, optical, or compatible I²S. USB offers the highest published PCM and DSD capability. Meanwhile, coaxial and optical provide straightforward digital connections for many source components.

Connect the headphones through four-pin XLR or 4.4mm balanced. Allow the X8 to detect their impedance and recommend a gain setting. Then confirm that the suggested setting provides sufficient volume range without unnecessary gain.

Select the matching HP-EQ profile and compare it with bypass mode. If further adjustment is needed, use AI-assisted EQ to describe the desired tonal change.

For casual listening, pair a phone through Bluetooth 5.1. For the best possible source quality, use USB or another wired digital input.

For speaker listening, connect the XLR outputs to balanced active monitors or a suitable power amplifier. Begin at a low volume and confirm variable preamplifier mode before playback.

 

Specifications

Brand: Luxsin
Model: X8
Product Type: DAC, headphone amplifier, and digital preamplifier
DAC Configuration: Eight Cirrus Logic CS43198 chips
DAC Architecture: Four DACs per channel in dual-mono parallel configuration
DSP Architecture: HiFi-5 DSP + ARM STAR dual-core
DSP Clock Speed: Greater than 500MHz
Headphone Amplifier Devices: OPA1612 and TPA6120A2
Maximum USB PCM: 32-bit/768kHz
Maximum USB DSD: Native DSD512
Maximum I²S PCM: 32-bit/768kHz
Maximum I²S DSD: Native DSD512
Optical Maximum: PCM 24-bit/192kHz
Coaxial Maximum: PCM 24-bit/192kHz
USB-B Input: Yes
USB-C OTG Input: Yes
USB-A: Local firmware updates only
I²S Input: HDMI-style connection with eight interface configurations
HDMI ARC: No
Optical Input: One
Coaxial Input: One
Bluetooth: Yes, audio reception
Bluetooth Version: 5.1
Bluetooth Hardware: Qualcomm solution
Published Chipset Identification: Luxsin documents inconsistently identify it as SXW5125 or QCC5125
Reported Bluetooth Codecs: SBC, AAC, aptX, aptX HD, aptX Low Latency, and LDAC
Bluetooth Transmission: No
Analogue Input: No
Balanced Line Output: Stereo XLR
Unbalanced Line Output: Stereo RCA
Subwoofer Output: No dedicated subwoofer output
Digital Audio Output: No
Balanced Headphone Outputs: 4.4mm and four-pin XLR
Unbalanced Headphone Output: 6.35mm
Headphone Output Impedance: Less than one ohm
Gain Settings: Low, medium, and high
Automatic Impedance Detection: All three headphone outputs
Headphone Database: More than 2,500 models
AI-Assisted EQ: Yes
Parametric EQ: Yes
Crossfeed: Yes
Soundstage Adjustment: Yes
Tone Control: Bass, midrange, and treble
Loudness Compensation: Yes
HP-EQ Processing Limit: PCM up to 192kHz
Display: Four-inch colour touchscreen
Display Resolution: 960 × 480
App Control: Android and iOS
Browser Control: Yes
Wi-Fi: 2.4GHz and 5GHz
Native Music Streaming: Not published
Firmware Updates: OTA and local USB
Remote Control: Optional
12V Trigger Input: Yes
12V Trigger Output: Yes
Chassis: CNC-machined aluminium
Front-Panel Angle: 15 degrees
Power Supply: Ultra-low-noise adjustable linear supply
Rated Power Consumption: 25W
Power Requirement: AC 100–120V or 220–240V, 50/60Hz
Width: 236.8mm
Depth: 236mm
Height: 64mm
Weight: 2.75kg
Finish: Black

Balanced Headphone Output

Load	Low Gain	Medium Gain	High Gain
16 ohms	4,840mW per channel	4,840mW per channel	4,840mW per channel
32 ohms	2,500mW per channel	3,900mW per channel	4,300mW per channel
300 ohms	270mW per channel	430mW per channel	950mW per channel

Maximum High-Gain Voltage into 300 Ohms: 16.9Vrms
THD+N: Better than −117dB at 1kHz into 32 ohms
Signal-to-Noise Ratio: At least 123dB
Crosstalk: At least 119dB at 1kHz into 32 ohms

Unbalanced Headphone Output

Load	Low Gain	Medium Gain	High Gain
16 ohms	1,300mW per channel	2,000mW per channel	2,900mW per channel
32 ohms	630mW per channel	1,000mW per channel	1,750mW per channel
300 ohms	70mW per channel	100mW per channel	230mW per channel

THD+N: Better than −115dB at 1kHz into 32 ohms
Signal-to-Noise Ratio: At least 121dB

XLR Line Output

Output Level: 4.2Vrms
Signal-to-Noise Ratio: At least 129.5dB
THD+N: Better than −121.8dB, unweighted
Crosstalk: At least 133dB at 1kHz
Noise Floor: Less than 1.1µVrms

RCA Line Output

Output Level: 2.1Vrms
Signal-to-Noise Ratio: At least 124.5dB
THD+N: Better than −120dB, unweighted
Crosstalk: At least 125dB at 1kHz
Noise Floor: Less than 1.3µVrms

Published Package Contents:

• Luxsin X8
• Power cable
• USB-B cable
• 3.5mm-to-6.35mm headphone adaptor
• Documentation

The infrared remote is optional and is not listed in the standard package.

 

Why Buy From Rapallo

✔ Practical advice from experienced New Zealand audio specialists
✔ Help matching headphones to the correct gain range
✔ Guidance on balanced and unbalanced connections
✔ Assistance configuring USB, Bluetooth, and I²S sources
✔ Help using HP-EQ and AI-assisted tuning
✔ Guidance on connecting active speakers or a power amplifier
✔ Advice on adding a dedicated network streamer
✔ Carefully selected headphones, cables, amplifiers, and speakers
✔ New Zealand-based service and after-sales support
✔ Secure nationwide delivery
✔ Support before and after your purchase