When I hook it up to play there is music for a second or two and then no music for a second or two. This repeats itself over and over again. Ideas?

I do not have that problem with this device, HOWEVER, I do have that very same problem with another SMSL dac ( M500 MKII), and I have not been able to figure out why this happens. I do not use Windows, and I only play wav files with Linux based software, and Linux operating system. Make your own conclusions.

how come the output voltage is so low when I connect it to the optical on my TV? I thought the output was suppose to be 2 Vrms.

only tried whit coaxial in rca out

Without a separate power input, how much faster does the battery drain on the cell phone?

It consumes very low energy. I don't use it via USB. I haven't tested it.

I'd like to listen to one of those new MQA-encoded CDs. Will the optical output of my legacy CD player pass the MQA-encoded signal to this SMSL?

Yes, because the SMSL is reading, converting the signal and your legacy CD player is functioning as a transport only.

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🎶 Elevate your sound game—hear what others only dream of!

MQA CD READY - Unlock the full potential of your MQA CDs with flawless digital decoding for pristine playback.
COMPACT POWERHOUSE - Sleek, lightweight design (195g) fits effortlessly into any desktop or audio setup without clutter.
TRUE 3 D SOUNDSTAGE - MQA decoding delivers immersive, studio-quality spatial audio that transports you to the live performance.
PURE AUDIOPHILE CLARITY - Experience distortion below 0.00013% with the cutting-edge AK4493S DAC chip.
UNIVERSAL COMPATIBILITY - Seamlessly connects via USB to all major OS platforms including Windows, Mac, Linux, Android, and iOS.

The S.M.S.L SU-1 is a high-resolution DAC featuring the latest AK4493S chip, delivering ultra-low distortion audio with support for MQA and MQA-CD formats. Compatible with all major operating systems via USB, it offers a compact and powerful solution for audiophiles seeking authentic 3D sound reproduction and seamless integration into any professional or home audio setup.

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Compatible Devices	Headphone
Color Name	Black
Batteries Included	No
Batteries Required	No
Brand	Fanmusic
Manufacturer	S.M.S.L
Item Model Number	SU-1
Product Dimensions	9 x 7.8 x 2.7 cm; 195 g
Item Weight	195 Grams

S.M.S.L SU-1 MQA MQA-CD Audio Decoder AK4493S XU316 768kHz/32Bit DSD512 High Resolution DAC

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