5.Does the M11 support digital USB Audio out?-FiiO---BORN FOR MUSIC
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FiiO E10K TC Review - Headfonia Reviews
FiiO LT-TC1
FiiO's All-new Headphone Amplifier & USB-C DAC K3 is Now Available! (Give out 4 free K3s: 2 each on Facebook and Head-Fi!)-FiiO---BORN FOR MUSIC
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FiiO K9 Pro Headphone Amplifier Desktop USB DAC THX AAA 788 — HiFiGo
Review : FiiO K3 - Legacy - Headfonia Reviews
FiiO KA3 USB DAC-AMP • Audio Reviews and News
FiiO JadeAudio KA3 Headphone Amps Tiny USB DAC High Resolution Amplifier Supports 32bit/768kHz and DSD512 Headphone Outputs 3.5mm/4.4mm for Smartphone/Laptop/PC/Player : Electronics
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