The Fiio KA15 is a portable USB DAC/headphone amplifier recently released (Fall 2024) by Fiio. Key features are:
High output power: 560 mW per channel into 32 Ohm (in balanced desktop mode)
Dual CS43198 (DAC chips) + SGM8262 (op-amps)
10-band on-device parametric EQ
Not a dongle-type yet...