USB optical coaxial input

FiiO K7BT Balanced HiFi DAC Bluetooth Headphone Amplifier AK4493S*2, XMOS XU208 PCM384kHz DSD256,USB/Optical/Coaxial/RCA Inputs, 6.35mm/4.4mm Output(US Plug)
Experience pristine audio clarity with the Fii O K7 BT Balanced Hi Fi DAC Bluetooth Headphone Amplifier. Featuring the advanced AK4493 S2 DAC and XMOS XU208 processor, it supports PCM384 kHz and DSD256 formats for high-resolution sound. Enjoy versatile connectivity via USB, optical, coaxial, and RCA inputs, plus balanced 6.35 mm and 4.4 mm outputs.…
SMSL DS200 Headphone Amp DAC Bluetooth 5.1 Dual CS43131 Chip DAC Amp 3.5mm/4.4mm Balanced HP MQA/MQA-CD Full Decoder XMOS XU-316 32bit/768kHz DSD256 USB/BT/Optical/Coaxial Input…
Experience unparalleled audio clarity with the SMSL DS200 Headphone Amp DAC featuring dual CS43131 chips and Bluetooth 5.1 connectivity. Enjoy balanced 3.5mm and 4.4mm outputs, full MQA/MQA-CD decoding, and support for 32bit/768kHz and DSD256 formats. Compact and versatile with USB, optical, and coaxial inputs for superior sound performance.

FiiO K7BT Balanced HiFi DAC Bluetooth Headphone Amplifier AK4493S*2, XMOS XU208 PCM384kHz DSD256,USB/Optical/Coaxial/RCA Inputs, 6.35mm/4.4mm Output(US Plug)