Still keeping its price tag under $200, how far can FiiO push the performance of affordable desktop DAC/Amps K5 Pro and K7?
The D2R Add-on Receiver is an expansion kit for your D2 24-bit Wireless DAC. You can add up to 2 D2R add-on Receivers for a total of 3 zones. It connects wirelessly to your existing D2 setup and can output 24bit/96KHz digital or analog audio to your high end system or powered speakers. Add sound to an additional room or even make your Audioengine S8 Powered Subwoofer wireless.
Audioengine D1 24-bit DAC
FiiO K7 Review – An Improvement Over The K5 Pro? - Home Studio Basics
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
Subjective and functional review of FiiO K5 Pro ESS
Fiio K7 vs. Fiio K5 Pro ESS (+ SMSL C200) : r/headphones
[High-performance DAC&USB decoding chip]: The K5Pro ESS headphone amps achieves new heights in sound quality and comes with a high level of resolution
FiiO K5Pro ESS Amplifier Headphone Amps Stereo High Resolution Portable Desktop DAC 768K/32Bit and Native DSD512 for Home Audio/PC 6.35mm Headphone
The K5 Pro DAC and Headphone Amplifier from FiiO is a high-performance headphone amplifier and USB DAC that features coaxial, optical, and RCA line inputs, and 1/4 inch headphone and RCA line outputs. It can be used as a bridge for several music playback devices allowing your computer, speakers, and headphones to work together delivering an emotional experience with realistic detail from your music.
FiiO K5 Pro DAC and Headphone Amplifier
FiiO K7 Review — Headfonics
FiiO K7 and K5 Pro ESS Desktop Headphone DAC/Amp Hands-on Review: Impressive Affordable Audio Power
FiiO K7 review: This outstanding DAC drives headphones, too