The SMSL DO400 is a completely symmetrical digital-analog converter and headphone amplifier promising high dynamics, extremely low distortions and convincing performance, as well as a flagship ES9039MSPRO DAC chip 32bit 768kHz DSD512 resolution and MQA-CD decoding through an XMOS XU-316 USB interface. The Bluetooth 5 wireless connection is responsible for a QCC5125 chip, which also supports aptx, aptx HD and LDAC codecs.

The 4-Pin XLR, 6.35mm and 4.4mm headphones and up to 2x3000MW @ 32 OHM will open the world of quality listening with countless high-end headphones. In addition to single RCA and symmetrical XLR outputs, you can find AES/EBU, I2S, Coax, Optical, Bluetooth and USB-B inputs. The front panel has a hardened glass protected color IPS display easy to read and freely turn off.

The DO400 supports ear and headphones with high-quality components, active stereo speakers, amplifiers, players and all kinds of desktop audio tools. The product weighs 1450g. The package includes a RC-8C remote control, Bluetooth antenna, EU power cable and USB-B cable.