4.1 PCIe Sound Card PCI-Express X1 4-Channel Audio Adapter

OULLX 4.1 PCIe Sound Card – Upgrade Your Desktop Audio

Take your desktop PC's audio to the next level with the OULLX 4.1 PCI-Express Sound Card. Powered by the CMI8738 and VIA VT1723 Envy24D multi-channel chips, this internal PCIe X1 card delivers crisp 4.1-channel surround sound for gaming, home theater, music listening, karaoke, and more. Simply install it into any available PCIe X1 slot and enjoy a significant upgrade over your motherboard's onboard audio.

⚠️ Important: Please disable your system's integrated (onboard) sound card before installing and using this 4.1-channel PCIe sound card to avoid conflicts.

Key Features

• CMI8738 4-Channel Sound Chip – Delivers powerful 4.1 surround sound output via a PCI-Express bus slot
• VIA VT1723 Envy24D Multi-Channel Chip – Full duplex operation for simultaneous playback and recording
• 24-Bit / 48 kHz Audio – High-resolution sound sampling for crystal-clear playback and recording quality
• Broad Sound Technology Support – Compatible with DLS voice library, A3D 1.0, DS3D, DirectSound 3D, and EAX sound effects
• S/PDIF In & Out – 24-bit SPDIF OUT included; SPDIF IN available via optional sub-card for flexible digital audio connectivity
• PCI-Express X1 Compliant – Meets PCIe X1 specification revision 1.1 and AC'97 specification revision 2.3
• Multiple Output Channels – Supports Front L/R, Surround L/R, Centre/Subwoofer, and S/PDIF Out
• Optional Sub-Card Expansion – Add rear surround L/R, linear input L/R, mono Mic In, and S/PDIF In
• Noise Elimination – Built-in noise balance elimination function activates when PC power is switched on or off
• Wide OS Compatibility – Supports Windows 10, 7, Vista, XP, Server 2003–2008 (32/64-bit), 2000, ME, and 98SE

Specifications

Perfect For

• 🎮 Immersive 3D gaming with spatial audio
• 🎵 High-fidelity music listening and audiophile setups
• 🎤 Karaoke and home recording
• 🎬 Home theater PC (HTPC) audio enhancement
• 🖥️ Desktop PCs lacking quality onboard audio

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Frequently Asked Questions

Q: Is this PCIe sound card compatible with Windows 10 64-bit systems?

A: Yes! The OULLX 4.1 PCIe Sound Card supports Windows 10 in both 32-bit and 64-bit versions, as well as Windows 7, Vista, XP, and several Windows Server editions. Simply install the included drivers and you're ready to go.

Q: Do I need to disable my onboard sound card before installing this PCIe audio adapter?

A: Yes, it is strongly recommended to disable your motherboard's integrated (onboard) sound card via your BIOS settings before installing this card. This prevents audio conflicts and ensures the PCIe sound card functions correctly.

Q: What audio outputs does this 4.1-channel sound card support?

A: This card supports Front Left/Right, Surround Left/Right, Centre/Subwoofer, and S/PDIF digital output. With an optional sub-card, you can also add rear surround L/R, linear audio input, a mono microphone input, and S/PDIF In for even more connectivity options.

Q: Will this sound card work in any PCI-Express slot?

A: This card requires a PCI-Express X1 slot or larger (X4, X8, or X16 slots are also compatible). It is not compatible with older PCI (non-Express) slots. Check your motherboard specifications to confirm you have an available PCIe slot before purchasing.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.