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Product description
1 Support MQA Decoding
2 MQA Indicator Light
1 USB Input OTP/COAX Output
2 For PC/ipad
3 For most Mobile Phone
4 Compact and Portable
1 Front Side
2 Back Side
3 Right Side
4 Left Side
SMSL PO100
PO100 & PO100PRO
USB
Input
USB
/
USB Specifications
UAC1,UAC2
COAXIAL/OPTICAL
Output
I2S/COAXIAL/OPTICAL
16/24bit
Bit depth
16 ~24bit/32bit
MAC,WIN10
USB Compatibility
WIN7/8/8.1/10/11
/
JITTER
75ps(typical)
44.1~192kHz
Sampling Rate
44.1-768kHz/192kHz
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Input
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USB Specifications
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Output
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Bit depth
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USB Compatibility
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JITTER
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Sampling Rate
— SMSL PO100 PRO 
SMSL PO100 PRO
PO100 comparison with SMSL PO100pro: Both use the XU316 chip with type-C USB input and optical/coaxial output, but PO100 not support IIS output
XMOS XU316 chip: XMOS design, asynchronous transmission, type-C USB interface is used for input. The sampling rate supports PCM44.1Bit/192kHz; Support DOP64
Input&Output: SMSL PO100 digital to analog converter with type-C USB input, support optical and coaxial output at the same time
User-friendly: MAC system and WIN10 above do not need to be driven. Accessories coming with a USB Type-C to C and USB A to Type-C cable for Phone/PC/Player/Streamer
Support MQA Decoding: PO100’s MQA playback does not require additional software. When playing MQA audio, it is suggested to adjust the volume of the computer to the maximum for the best audio output
Mini and Portable: SMSL PO100 is a very compact usb to coaxial audio adapter(only 0.75g) that can be easily stowed in bags and backpacks for light travel
Attention: It is not supported to directly connect the PO100 with an active speaker. Please connect PO100 to the backend device and then to the speaker
Tips: If the product cannot be recognized by the computer/phone or has other problems during use, please replace the USB cable or download the firmware upgrade from the SMSL official website.
PO100 does not have volume control function. You can adjust the volume according to your preferences on the audio source device or backend device (such as DAC, computer, etc.)
Customers say
Customers find the USB to optical audio adapter works like a champ and provides good value for money. They appreciate its noise reduction capabilities and signal transfer performance, with one customer noting it acts as a USB ground loop isolator. The sound quality receives mixed feedback, with some customers reporting a big improvement while others say it doesn’t enhance audio performance.
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