Crazy price and great value for what it does!
Dolby Surround Sound without having to open up your PC!
CM108 is a highly integrated single chip USB audio solution. All essential analog modules are embedded in CM108, including dual DAC and earphone driver, ADC, microphone booster, PLL, regulator, and USB transceiver. It is very suitable for USB headset, USB earphone or USB audio interface box application. Many features are programmable with jumper pins or external EEPROM. In addition, audio adjustment can be easily controlled via specific HID compliant volume control pins. For value added application, external codec or audio DSP can be connected to CM108 via I2S pin for further processing. 4 GPIO pins can be accessed with customer application software for additional value added application.
USB spec. 2.0 full speed compliant, USB audio device class spec. 1.0 and USB HID class spec. 1.1 compliant
Dolby digital audio streaming via S/PDIF out.
Embedded high performance 8 Channel 16 bit audio DAC output
2 channel 16 Bit ADC input
Volume control(Volume up , volume down, mute)and Playback with soft-mute HID button.
Include Xear 3D Sound Simulation Software.
Support 48 / 44.1 KHz sampling rate for both playback and recording
Bus power mode
Embedded USB transceiver and power on reset circuit