ALC4080
High-end USB audio codec with 120dB SNR for gaming and Hi-Fi applications
Product Overview
Description
The Realtek ALC4080 is a premium USB audio codec delivering audiophile-grade 120dB SNR for high-end gaming motherboards and Hi-Fi PC audio applications requiring exceptional sound quality.
This codec features a USB 2.0 interface for modern motherboard designs, bypassing legacy HD Audio limitations. The 120dB SNR DAC and 110dB SNR ADC provide studio-quality audio reproduction.
ALC4080 includes DTS:X Ultra support, customizable EQ profiles, and advanced gaming audio features. It's the choice for premium gaming motherboards and audiophile PC builds where audio quality is paramount.
Product Series
ALC
Primary Application
Premium gaming motherboards
Key Features
- 120dB SNR DAC
- 110dB SNR ADC
- 384kHz/32bit support
- USB 2.0 interface
- DTS:X Ultra support
- Custom EQ profiles
- High-performance headphone amp
- Gaming audio features
Specifications
| Channels | 7.1 Channel |
|---|---|
| DAC SNR | 120 dB (A-Weighted) |
| ADC SNR | 110 dB (A-Weighted) |
| Sample Rates | Up to 384kHz/32bit |
| Headphone Amp | High-performance amp |
| Interface | USB 2.0 |
| Features | DTS:X Ultra, Custom EQ |
| Operating Temperature | 0°C to +70°C |
| Package | QFN-48 |
| Power | 3.3V/5V |
Applications
Premium gaming motherboards
Electronic system design
Audiophile PC builds
Electronic system design
High-end laptops
Electronic system design
Content creation workstations
Electronic system design
Hi-Fi PC systems
Electronic system design
FAE Expert Insights
"ALC4080 is significant step up in PC audio quality. The 120dB SNR is genuinely impressive - you can hear the difference in music and games. The USB interface is modern and the DTS:X Ultra adds real value for gaming. We recommend this for any premium motherboard where audio quality is a selling point."
Audiophile-grade audio for premium PC builds
— Sarah Johnson, BeiLuo
Frequently Asked Questions
What makes ALC4080 better than standard audio codecs?
ALC4080 delivers 120dB SNR compared to ~97dB in standard codecs - a significant 23dB improvement. This translates to lower noise floor, better dynamic range, and more detailed sound. The USB interface provides cleaner digital signal path, and the 384kHz/32bit support enables high-resolution audio playback. DTS:X Ultra adds immersive gaming audio.
Significant audio quality improvement. Worth the premium for audio enthusiasts.
Does ALC4080 require special drivers?
ALC4080 uses standard USB audio class drivers built into Windows 10/11, enabling plug-and-play operation. Realtek also provides enhanced drivers with additional features like DTS:X Ultra, custom EQ, and gaming audio profiles. Both options work well - use standard drivers for simplicity or Realtek drivers for advanced features.
Standard USB audio works out of box. Realtek drivers add advanced features.
Is ALC4080 suitable for music production?
ALC4080 is suitable for entry-level to mid-level music production with its 120dB SNR and 110dB ADC. The low latency and high-quality ADC make it viable for recording. However, professional producers may prefer dedicated audio interfaces with even higher specs and professional connectivity (XLR, balanced outputs). For hobbyist and semi-pro use, ALC4080 is excellent.
Good for hobbyist/semi-pro production. Professional studios may want dedicated interfaces.
What is DTS:X Ultra and how does it benefit gaming?
DTS:X Ultra is an advanced spatial audio technology that creates immersive 3D soundscapes. For gaming, it provides accurate positional audio cues - you can hear where enemies are located in 3D space. It also enhances music and movies with virtual surround sound. The technology uses advanced HRTF (Head-Related Transfer Function) processing for realistic spatial audio through headphones.
DTS:X Ultra adds real value for gaming and entertainment. Enhanced immersion.
How does the USB interface benefit audio quality?
The USB interface provides several benefits: (1) Digital signal stays digital until the codec, avoiding analog noise pickup, (2) Isolation from motherboard electrical noise, (3) Modern interface supported by all operating systems, (4) Simpler routing on PCBs. The USB 2.0 bandwidth is more than sufficient for high-resolution multi-channel audio.
USB provides cleaner signal path and modern connectivity. No downside vs HDA.