It’s marketed as a DAC/headphone amp combo, but this affordable desktop device sounds just as great while connected to a preamp or powered speakers.
FiiO Q7 Desktop-Class Headphone Amplifier with Bluetooth Q7 B&H
FiiO K7 Review – An Improvement Over The K5 Pro? - Home Studio Basics
Just upgraded to the fiio k7 and love it! : r/headphones
FiiO K5Pro ESS Amplifier Headphone Amps Stereo High Resolution Portable Desktop DAC 768K/32Bit and Native DSD512 for Home Audio/PC 6.35mm Headphone Out/RCA Line-Out/Coaxial/Optical Inputs (Black) : Electronics
DAC/AMP Fiio K7 BT - store
Fiio K7 Review - Major HiFi
Review and Measurements of Fiio K5 Pro
K7_reviews
Fiio K7 Review - Major HiFi