PCIe Sound Card with 5.1-Channel Audio Support Features a high-performance audio chip for multi-channel surround sound output. Supports 6-channel audio playback and recording at 24-bit/48 kHz resolution. Compatible with SPDIF IN and SPDIF OUT (optional daughter card required for SPDIF IN). Designed for immersive audio experiences in home theater, gaming, music listening, and karaoke applications. Key Specifications: - Full-duplex 5.1-channel PCIe sound card - Compliant with PCI Express x1 specification (Revision 1.1) - Compliant with AC'97 standard (Revision 2.3) - Supports front left/right, surround left/right, center/subwoofer, and S/PDIF-Out outputs - Optional daughter card adds rear surround left/right, line-in left/right, mono microphone input, and S/PDIF-In - Built-in noise cancellation functionality Compatibility: Windows 7, Vista, XP, Server 2003–2008 (32-bit and 64-bit), Windows 2000, ME, and 98SE. Requires a PC with an available PCIe slot. Physical Details: - Color: Black - Construction: PCB with metal shielding - Form Factor: Internal expansion card Package Includes: 1 x PCIe Sound Card Note: This product is not compatible with Windows 10 or Windows 11 (64-bit). Color appearance may vary slightly due to screen settings and lighting conditions. Dimensions may vary by ±1–3 cm.