PCI-E CMI8738 5.1CH 3D Surround Sound card

For 4/6-Channel surround sound output, Compatible with DLS sound library technology. A3D 1.0 and DS3D, DirectSound 3D and EAX sound.

  • PO.: ST17
  • P/N.: SE-SC8738A-6CH
  • Bus Type: PCI Express X1
  • Media Port: 3.5mm Audio jack
  • Main Chipset: CMI8738+ASM1083

CM8738+ASM1083 Based HRTF 3D Extension Positional Audio Chip

For 4/6-Channel surround sound output, Compatible with DLS sound library technology

A3D 1.0 and DS3D, DirectSound 3D and EAX sound.


PCI Express 5.1-channel stereo surround sound card, using CMI8738 multi-channel audio chip processor. 

Support 4/6 channel surround sound output, compatible with DLS sound library technology, A3D 1.0 and DS3D, DirectSound 3D, EAX sound. An audio system compatible with Intel HD single-chip specifications can be connected to the controller of the HAD codec. Built into home audio electronic equipment or personal computers, it provides high-fidelity sound and becomes the professional audio processing center in your life. 


    ▪ 6CH DAC for AC3® 5.1CH purpose.

    ▪ HRTF-based 3D positional audio, supporting DirectSound™ 3D interface

    ▪ Supports 4.1/5.1 speakers, C3DX positional audio in 4 / 6 CH speaker mode

    ▪ Legacy audio SBPRO™ compatible

    ▪ DLS-based wavetable music synthesizer, supports DirectMusic™

    ▪ Built-in 32ohm Earphone buffer

    ▪ Drivers support EAX®, Karaoke Key, Echo…

    ▪ MPU-401 port/ Dual game port

    ▪ 16-bit full duplex CODEC

    ▪ 32-bit PCI bus master

General specification

Bus interface

PCI Express* 1.1

Audio channel5.1CH(Supports 4.1/5.1 speakers, C3DX positional audio in 4/6 CH speaker mode)
Sampling Rate


Resolution (Word-length)16-bit
Operating SystemsWindows 98SE / Server 2000 / Server 2003 / Server 2008 / Server 2012 32-64bit

Windows XP / Vista / Windows 7/ Windows 8 / Windows 8.1 / Windows 10 (32-64bit)

Hardware&Software Features

Audio jack3.5mm Mic-in
3.5mm Line-in
3.5mm Front out
3.5mm Rear out
3.5mm Bass/Center out
software FeaturesA3D, DS3D, Direct sound 3D, EAX sound
CertificationsFCC, CE, RoHS
Operating temperature0 to 70 ℃
Storage temperature-40 to 125 ℃
Packing Accessories list

1 x PCIe CMI8738 5.1 Channel Sound Card
1 x User's Manual

1 x Low-profile bracket

1 x CD Driver


Only the above package contents, other products are not included.The allowable error of size measurement is +/- 1~3mm, 

and the weight of the product is subject to the actual product. 

DimensionsL93 x W63mm(measured without PCIe bracket)
Package SizeL175 x W125 x H30 (Built-in blister)
Product weight 44.6g
Package weight




PO#P/NSpecificationsOrdering Note
ST17SE-SC8738A-4CHPCIe CMI8738 5.1Channel Sound card  
Based on CMI8738 Audio Processor
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