Features: 1. The built-in audio chip supports 24bit, 192kHz sampling rate to achieve powerful and clear 2. 7.1- , compatible with 2.1/5.1 stereo surround equipment 3. harmonic distortion ( short) during playback (90dB) / recording (-85dB), audio data with a signal-to-noise ratio of 100dB, low-latency ASIO driver ( Input Output) 4. Extended full-duplex mixing (such as recording and editing the file while playing the audio source; on a music or on the Internet, 5. Can record from source (eg: or simfy) and directly; to remix your favorite , publish on platforms such as SoundCloud. Specification: Product Name: PCIe CM8828 7.1CH Warm Compensation Sound Card Main controller: CM8828+CM9882A Bus Type: PCI 1.1 Interface interface: LINE: line input, MIC: microphone input, FRONT: front output; REAR: rear surround output, C/SUB: center/subwoofer output, SIDE: side surround output Sampling rate: 44.1 ~ 192 kHz / 24 bits Signal to noise ratio: 100db Harmonic Distortion: -85db playback / -90db recording Control Surface: Xear Smart Software Switch Control Surface Working mode: extended full duplex (simultaneous playback and recording function) Audio Modes: for Xear Living 1.1, Xear VoClear, Xear Sonic, Xear Surround, Xear Pro 1.0, Xear SingFX, Xear Voice, Xear Audio Brilliant Embedded Mode: Embedded 8051-based MCU that can transcode HD Audio commands Application areas: home theater, -scale 3D games, audio playback and other entertainment : Windows 98SE/Server 2000/XP/Server 2003/Vista/Win 7/Win 8/Win 10 Hardware Requirements: At least 1 G for /AMD CPU; 1 GB RAM; 1 free PCI-E slot; 1 free digital expansion slot Material: PCB+Metal colour: black Package Contents: 1 x PCIe CM8828 7.1CH warm fill sound card 1 x Short Bezel Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.