FiiO K11
Display, gain switch, USB-DAC
FiiO K11 R2R
FiiO K13 R2R
Display, gain switch, Tone control, USB-DAC, Bluetooth
FiiO KA17
gain switch, USB-DAC
iFi Audio Go link Max
USB-DAC
FiiO BTR17
Display, Microphones, Tone control, USB-DAC, Bluetooth
FiiO K7
Mackie Hm-4
FiiO Jiezi A
Tone control, USB-DAC
FiiO Jade Audio Jiezi B 4.4 mm Gold
Fosi Audio ZH3
Display, gain switch
Fosi Audio K7
Display, Tone control, Bluetooth
iFi Audio Zen Dac 3
Bass Boost, USB-DAC
FiiO KA13
