4.1 Channel PCI Sound Card CMI8738 – Internal Audio Adapter PC

4.1 Channel PCI Sound Card 8738 – Internal Audio Adapter for Desktop PC

Upgrade your desktop PC's audio with the OULLX 4.1 Channel PCI Sound Card, powered by the reliable CMI8738 chipset. Whether your onboard audio has stopped working, is producing static, or the ports are damaged, this internal PCI sound card delivers a clean, independent audio solution — no more compromising on sound quality.

⚠️ Important Notes Before Purchase:

• Each package includes a CD driver disc. You must install the CD driver (or use driver software such as DriverGenius) before the sound card will function.
• Not compatible with MSI, ASRock, BIOSTAR, Lenovo, HP, Dell, or Server motherboards.
• Requires a standard PC computer headset with separate microphone and headphone jacks — mobile phone headsets (combined jack) are not compatible.

Why Choose This PCI Sound Card?

This card is the perfect fix for common onboard audio issues, including:

• Damaged or non-functional motherboard audio or microphone ports
• Onboard sound card producing no audio output
• Excessive background noise or static from the motherboard's built-in audio

Key Features

• 🎵 4.1 Sound Channels – Full surround audio experience with independent processing
• 🔌 PCI Interface – Easy installation into any standard PCI slot on compatible motherboards
• 🖥️ CMI8738 Chipset – Proven, stable audio chipset for consistent performance
• 🎮 3D Audio Support – Compatible with Microsoft DirectSound 3D and Aureal 3D interfaces
• 🔊 Multi-Speaker Support – Supports 2 or 4 speaker configurations with DLS
• 🎼 Wavetable Music Synthesizer – Rich, hardware-synthesized MIDI playback
• 🔁 Full Duplex – Simultaneous playback and recording without interruption
• 💿 Broad OS Compatibility – Supports Windows 98, 2000, XP, NT, Win7 (32/64-bit), Win8, and Win10
• ♻️ Legacy Sound Card Compatible – Works alongside or as a replacement for older audio hardware

Specifications

What's in the Box?

• 1x OULLX 4.1 Channel PCI Sound Card (CMI8738)
• 1x CD Driver Disc

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Frequently Asked Questions

Q: What is the CMI8738 PCI Sound Card and how does it work?

A: The CMI8738 is a proven internal PCI audio chipset. This sound card plugs directly into a standard PCI slot on your desktop PC motherboard and provides an independent 4.1-channel audio output, bypassing your onboard audio entirely. Once the CD driver is installed, it is recognized by Windows and ready to use.

Q: Is this PCI sound card compatible with my motherboard?

A: This card is compatible with most standard desktop PC motherboards that feature a PCI slot. However, it is not compatible with MSI, ASRock, BIOSTAR, Lenovo, HP, Dell, or server motherboards. Please verify your motherboard brand and available PCI slots before purchasing.

Q: Do I need to install drivers for this sound card?

A: Yes, driver installation is required. Each package includes a CD driver disc. If your PC does not have a CD drive, you can use driver management software such as DriverGenius to locate and install the correct driver automatically.

Q: Can I use my mobile phone headset with this sound card?

A: No. This sound card is designed for standard PC computer headsets that use separate microphone and headphone 3.5mm jacks. Mobile phone headsets that use a single combined audio/mic jack are not compatible with this card's port layout.

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.