This sound card adopts /HT8738 chip Supports 4-channel surround sound output, supports DLS sound library technology, supports A3D 1.0 and DS3D, and is compatible with DirectSound 3D and EAX sound effects. Supports 24-bit SPDIF, OUT and SPDIF IN at the same time, and also supports optical fiber input and output through daughter cards The chip's signal-to-noise ratio reaches 120dB, PCI plug and play bus interface - full duplex playback and recording - HRTF 3D spatial positioning sound effect, support DircetSound 3D and A3D interface Wide range of platforms, support MSDOS, WINDOWS3X, 9X, NT, WIN2000, LINUX and other platforms - MPU-401 GAME/MIDI port and surround sound SB 16 support - Downloadable wavetable synthesizer Support Direct Music - SPDIF digital sound indicators: ①24-bit stereo, 44KHz sound sampling recording and playback ②120dB sound quality full duplex playback recording ③Automatic detection of SPDIF /IN 3D sound technology Supports 3D interface for D3D and Aureatr Support 2/4 speakers and DLS Support wave table music synthesizer Compatible with traditional sound cards Full duplex playback and recording Support 98/ Windows2000/XP/NT signal voltage (0.5V-5V) Colour:Photo Color Material:ABS Package Contents: 1 x Sound Card 1 x Optical Disc Only the above package content, other products are not included. Note: Light 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. Supports 4-channel surround sound output, supports DLS sound library technology, supports A3D 1.0 and DS3D, and is compatible with DirectSound 3D and EAX sound effects. Supports 24-bit SPDIF, OUT and SPDIF IN at the same time, and also supports optical fiber input and output through daughter cards Wide range of platforms, support MSDOS, WINDOWS3X, 9X, NT, WIN2000, LINUX and other platforms - MPU-401 GAME/MIDI port and surround sound SB 16 support - Downloadable wavetable synthesizer This sound card adopts /HT8738 chip The chip's signal-to-noise ratio reaches 120dB, PCI plug and play bus interface - full duplex playback and recording - HRTF 3D spatial positioning sound effect, support DircetSound 3D and A3D interface