SMSL HO100
The SMSL HO100 is the newest budget headphone amplifier from SMSL. It can output up to 1.5W into 32ohm and it's priced at $149.
affordable
SMSL DO100
The SMSL DO100 is the newest budget DAC from SMSL. It uses a dual ES9038Q2m chip and it's priced at $239.