Description
- AK4191&AK4499EXS.M.S.L DO300EX adopts AK4191+AK4499EX flagship DAC chip, supports MQA decoding, supports MQA-CD, and fully taps the potential of audio. The chip ensures unparalleled audio clarity with distortion levels as low as 0.00006% (-124dB). Let you have high-fidelity sound.
- High-performance headphone amplifierThe front of the MQA CD DAC has two headphone outputs: a balanced 4.4mm jack and an unbalanced 6.35mm jack. The headphone amplifier circuit uses the TPA6120A2 chip. DO300EX can adapt to many different types of headphones, thanks to its wide range of connectors and high output power: 2x 2000mW/16, 2x 1000mW/32.
- New 3rd Generation XMOS XU-316The USB DAC adopts the 3rd generation XMOS, a high-end independent control chip XU-316 with 16 cores, and adopts 5x OPA1612A to make PCM up to 32-bit 768kHz and DSD up to DSD512,
- Comprehensive ConnectivityThis powerful device Headphone Amplifie DAC provides you with a large number of input options, including USB, Bluetooth, Optical, Coaxial, and even 12S (HDMI). For output, you have two headphone jacks (4.4mm and 6.35mm) and line outputs (XLR and RCA). With PRE MODE, your choices are unlimited.
- Advanced Bluetooth and Multiple Headphone InterfacesThe Audio DAC is equipped with Qualcomm Bluetooth 5.1 chip and supports LDAC 24bit/96kHz, APTX/HD, SBC and AAC. You can enjoy high-resolution files through wireless transmission.
Product typeDAC & Headphone amplifier
Inputs1x USB-C
1x Coaxial
1x Optical Toslink
1x I2S via HDMI
Bluetooth Outputs1x Stereo RCA analog output
1x XLR stereo balanced output
1x 4.4mm jack balanced headphone output
1x 6.35mm jack unbalanced headphone output
Supported sample ratesPCM 32bit 768kHz, DoP64, DoP256 DSD512, MQA, MQA-CD
Output levelXLR : 5.2Vrms
RCA : 2.5Vrms
Headphone outputs power2x 2W / 16
2x 1W / 32
THD+NXLR & RCA : 0.00006% (-124dB, unweighted)
Headphone outputs : 0.0001% (-120dB, unweighted)
Dynamic rangeXLR : 132dB
Headphone outputs : 127dB
SNRXLR : 132dB Headphone outputs : 127dB
Output impedance XLR : 200
RCA : 100
Headphone outputs : near 0
Heaphone outputs gainLow : 0dB
High : +7dB
USB transmission2.0 asynchronous
USB compatibilityWindows 7/8/8.1/9/10/11 (with driver)Mac OS 10.6 and +Linux
MQA decodingMQA : USB, Optical Toslink, Coaxial
MQA-CD : Optical Toslink, Coaxial
Supported bluetooth codecsAAC, SBC, aptX, aptX HD, et LDAC
Power consumption<20W
Standbye power consumption<0.5W
Dimensions222 x 207 x 39mm
Weight1.54kg
Package1x DAC / Headphone amplifier DO300EX SMSL
1x Mains cable
1x USB cable
1x Bluetooth antenna
1x Remote control