Website:https://www.earmen.com/
The manufacturer uses a Dual-DAC structure — one ES9038 chip from ESS Technology per audio channel. The DAC supports decoding of PCM formats up to 32 bit/768 kHz, DSD up to DSD512 and MQA.
EarMen CH-Amp is accurate, clean, fast, transparent and always musical. It works great on the full EarMen stack, but you can safely use it with any DAC or other source. Earmen CH-Amp has received various awards from audio industry professionals.
The USB DAC in the Earmen ST-Amp is implemented on the ES9280 chip from ESS Technology and is capable of processing digital streams in PCM format with parameters up to 32 bits / 384 kHz and DSD up to DSD128. For connecting headphones, there are 6.35 mm jack and 4.4 mm balanced jack connectors on the front panel. The device also has a balanced 4.4 mm input on the back panel.