The SMSL DO300EX digital-to-analog converter promises detailed and accurate sound reproduction with an AKM AK4191 + AK4499EX DAC chip pairing, as well as 32bit 768kHz DSD512 resolution and MQA-CD decoding through an XMOS XU-316 USB interface chip. Wireless Bluetooth 5 connectivity is provided by a QCC5125 chip, supporting aptX, aptX HD, and LDAC codecs.
Headphone amplification is handled by a TPA6120A2 chip, delivering 1W @ 32 Ohm power through 4.4mm and 6.35mm outputs, sufficient for driving most Hi-Fi headphones. In addition to single-ended RCA and balanced XLR outputs, AES/EBU, I2S, COAX, optical, Bluetooth, and USB-C inputs are also available. The front panel features a scratch-resistant color IPS display protected by tempered glass that is easy to read and can be turned off freely.
The DO300EX is a versatile DAC and high-power headphone amplifier combined, making it an excellent fit for most existing desktop audio systems. The product weighs 1540g. The package includes an RC-8C remote control, Bluetooth antenna, EU power cable, and USB cable.
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