ddHiFi TC44B is a fully balanced DAC/Amp based on a dual CS43131 chip with USB-C and two headphones outputs. That pleasure costs $89.
The xDuoo XD-05 Plus is a mobile DAC/Amp that can work separately as each option and provides 1W of pure power through the headphone output. It is priced at 289$.
The SMSL SU-9 is a balanced DAC that decodes MQA, and it is based on the Sabre ESS9038 Pro chip. You can get one for $399.
FiiO BTA30 is a DAC with a Bluetooth transmitter and receiver, based on an AK4490 chip. It is priced at 89,99USD.
ddHiFi TC25B is a tiny, USB-C portable DAC with a 2,5mm headphone output. It is priced at 39,99USD.
EarMen Eagle is a pendrive-size mobile DAC/AMP combo powered by ESS ES9281 chip and it costs $119.
Moondrop Star Spaceship Pulse is a budget level IEM with one dynamic driver. It is priced at 39,99$.
iFi iDSD Signature is the newest transportable DAC made by iFi. It pushes 4W of power into the headphone output, decodes MQA, and it is priced at 649$.
Spring 2 is a new flagship of the Chinese company Bqeyz. It is a tri-brid earphone with 1DD, 1BA, and one piezo driver. It is priced at 169$.
Flux FCN-10 is a powerful DAC/AMP pushing 16W of power into 32Ohm, and it can also work as a streamer using DLNA/Airplay. It is priced at 1299$.