You can download HQPlayerDesktop 3.13 for Mac from our software library for free. The program is categorized as Audio & Video Tools. The actual developer of this free Mac application is Signalyst.
From the developer:
HQPlayerDesktop is a high-quality audio player. The application features several selectable high-quality upsampling and downsampling algorithms, as well as selectable dither, noise shaping, and modulator algorithms. For digital room correction and other equalization purposes, selectable convolution algorithms are included.
You may want to check out more Mac applications, such as AMV Converter, iShout or HyperStudio 5 Legacy Player, which might be similar to HQPlayerDesktop.