This 7.1 built-in sound card is an advanced sound card designed for desktop computers, with the following features: 1. 7.1-channel support: The sound card supports 7.1-channel output, which can provide an immersive audio experience. Whether watching movies, playing games or listening to music, you can experience richer, lifelike sound effects. 2. Built-in sound card: The sound card is built into the motherboard or expansion card, which is perfectly combined with the computer hardware to provide more stable and high-quality audio processing and output, avoid external interference, and provide more pure and clear sound. 3. Independent PCI-E interface: The sound card adopts an independent PCI-E interface, which is connected to the motherboard through a slot, and is independent from other hardware devices, reducing interference and providing more accurate and reliable audio transmission. 4. Professional-level recording: The sound card has a professional-level recording function and can perform high-quality audio recording. Whether it is an anchor, voice actor or recording engineer, they can achieve high-fidelity and clear recording effects through the sound card. 5. Karaoke set: The sound card is suitable for karaoke lovers. It can be combined with microphones, speakers and other equipment to form a karaoke set, providing high-quality audio input and output, allowing you to enjoy professional-level karaoke experience. This 7.1 built-in sound card has the characteristics of 7.1 channel support, built-in sound card, independent PCI-E interface, professional recording and karaoke suits, etc. It is suitable for audio processing, recording and karaoke needs of desktop computers, and provides users with better Audio effects and professional-grade audio experience.