Amazon.com: FiiO NEWK3 Amplifier Headphone Amps Portable High Resolution 384kHz/32bit DSD256 USB Type-C Lossless for PC/Laptop/Smartphones/Speaker Home Audio : Electronics
FiiO Q3 Headphone Amps Amplifier Portable High Resolution DAC DSD512 for Smartphones/PC/Laptop/Home/Car Audio Compatible with iOS/Android 2.5/3.5/4.4mm Output (Q3-MQA)
blucoil FiiO K5 Pro ESS Amplifier Headphone Amps Stereo High Resolution Portable Desktop DAC 768K/32Bit and Native DSD512 Bundle USB-A Mini Hub, 3' USB Extension Cable and Aluminum Headphone Hook
Amazon.com: Fiio E07K Andes USB DAC and Portable Headphone Amplifier Black : Electronics
Amazon.com: FiiO Q3 Amplifier Headphone Amp High Resolution DAC DSD512 for Smartphone/PC/Laptop/Home/Car Audio 2.5/3.5/4.4mm Output : Electronics
FiiO K5 Pro Headphone Amps Portable Desktop DAC and Amplifier 768K/32Bit and Native DSD512 for Home/PC 6.35mm Headphone Out/RCA Line-Out/Coaxial/Optical Inputs
Amazon.com: FiiO JadeAudio KA1 Headphone Amps Amplifier Tiny USB DAC High Resolution 3.5mm Lossless for Smartphones/PC/Laptops/Players(Type C, Black) : Electronics
Amazon.com: FiiO NEWK3 Amplifier Headphone Amps Portable High Resolution 384kHz/32bit DSD256 USB Type-C Lossless for PC/Laptop/Smartphones/Speaker Home Audio(Titanium) : Electronics
Amazon.com: FiiO JadeAudio KA3 Headphone Amps Tiny Amplifier USB DAC High Resolution Supports 32bit/768kHz and DSD512 Headphone Outputs 3.5mm/4.4mm for Smartphones/Laptop/PC/Players : Electronics
FiiO Q5S High Resolution DAC and Headphone Amplifier
Amazon.com: BoxWave Cable Compatible with FiiO A3 Portable Headphone Amplifier (Cable by BoxWave) - Micro USB DuraCable, Braided Micro USB Charging Cable for FiiO A3 Portable Headphone Amplifier - Space Grey : Electronics
FiiO Q1 Mark II Hi-Res MFi Certified Portable Amplifier with DAC (Black) : Amazon.in: Electronics