Feature(may vary by option.)

●【Excellent Sound Performance】Adopting DAC chips AK4191+AK4499EX and XMOS XU-316 chip, maximum support for 32bit/768kHz and DSD512 allows you to experience studio-grade sound.
●【Rich Connectivity】Featuring few types of inputs, including USB, Optical, Coaxial, and I2S, and 2 kinds of headphone outputs (4.4mm, 6.35mm) and 2 kinds of line outputs (XLR, RCA), ensuring various devices.
●【MQA/MQA-CD Decoding Support】By using the MQA decoder, it is possible to maximize the sound quality of a full recording while preserving the detail and dynamic range of the audio.
●【Excellent DAC Headphone Amplifier】Utilizing the TPA6120A2 headphone amplifier chip, it has built-in low-noise power processing while improving power efficiency for lower power consumption.
●【New Exterior Design】Suspended display window design, tempered glass fully laminated color IPS display, support DOP independent display function, accurately determine the current decoding format, retro function knob design.
●If you have any questions during use, AOSHIDA will quickly guide you to solve them.

[Silver]




[Black]





Description

SMSL DO300EX MQA DAC Balanced Headphone AmplifierSMSL DO300EX MQA DAC Balanced Headphone Amplifier

SMSL DO300EX Audio Decoder & Headphone Amplifier

SMSL DO300EX MQA DAC Balanced Headphone AmplifierSMSL DO300EX MQA DAC Balanced Headphone Amplifier

DAC chip AK4191+AK4499EX

DO300EX adopts AKM flagship DAC chip, AK4191+AK4499EX, with MQA hardware decoding, and distortion as low as 0.00006% (- 124dB).

SMSL DO300EX MQA DAC Balanced Headphone AmplifierSMSL DO300EX MQA DAC Balanced Headphone Amplifier

XMOS XU-316

DO300EX uses the third generation XMOS with 16 core high-end independent control chips XU-316, and uses 5 pieces of 0PA1612A.

SMSL DO300EX MQA DAC Balanced Headphone AmplifierSMSL DO300EX MQA DAC Balanced Headphone Amplifier

Power chip

Utilizing the QCC5125 chip and the TPA6120A2 chip, achieve low-noise power processing while improving power efficiency for lower power consumption.

SMSL DO300EX MQA DAC Balanced Headphone AmplifierSMSL DO300EX MQA DAC Balanced Headphone Amplifier

More function

SMSL DO300EX will allow you to enjoy a different kind of sound.

4.4mm/ 6.35mm Headphone Interface

SMSL DO300EX HiFi Desktop DAC PreamplifierSMSL DO300EX HiFi Desktop DAC Preamplifier

On the front panel, a 6.35mm single ended headphone interface and a 4.4mm balanced headphone interface are provided, with an integrated high-performance stereo headphone amplifier.

Capable of providing significant thrust for each interface simultaneously. Suitable for different types of headphones.

DO300EX RCA/XLR/4.4mm/6.35mm Headphone Output HiFi Desktop DAC PreamplifierDO300EX RCA/XLR/4.4mm/6.35mm Headphone Output HiFi Desktop DAC Preamplifier

Rich Input And Output Interfaces

DO300EX RCA/XLR/4.4mm/6.35mm Headphone Output HiFi Desktop DAC PreamplifierDO300EX RCA/XLR/4.4mm/6.35mm Headphone Output HiFi Desktop DAC Preamplifier

Different connection usage scenarios

Different connection usage scenariosDifferent connection usage scenarios

Full Function Remote Control

Equipped with a new SMSL remote control, it has a better feel and quality, and supports full function remote control.

SMSL DO300EX MQA DAC Balanced Headphone Amplifier AK4191 AK4499EX XU316SMSL DO300EX MQA DAC Balanced Headphone Amplifier AK4191 AK4499EX XU316

Product Accessories

1*DO300EX; 1*AC power cable; 1*USB Cable; 1* Remote control; 1*Manual; 1*SMSL card

SMSL DO300EX VS SMSL DO300 VS SMSL DO400EX

SMSL DO300EX MQA DAC Balanced Headphone Amplifier AK4191 AK4499EXSMSL DO300EX MQA DAC Balanced Headphone Amplifier AK4191 AK4499EX

SMSL DO300EX DAC Headphone amp

SMSL DO300 Balanced DACSMSL DO300 Balanced DAC

SMSL DO300 DAC

SMSL DO400 MQA DAC Balanced Headphone AmplifierSMSL DO400 MQA DAC Balanced Headphone Amplifier

SMSL DO400 DAC Headphone amp

DAC chip:

AK4191+AK4499EX

DAC chip:

ES9039MSPRO

DAC chip:

ES9039MSPRO

Earphone output power:

2Wx2(16Ω), 1Wx2(32Ω)

Earphone output power:

No headphone output

Earphone output power:

6Wx2(16Ω), 3Wx2(32Ω)

DOP Display:

Support

DOP Display:

Support

DOP Display:

Support

MQA decoding:

MQA full decoding, USB/optical/coaxial

MQA decoding:

MQA full solution, USB/ optical / coaxial

MQA decoding:

MQA full solution, USB/optical/coaxial

Operational Amplifier:

5 pcs OPA1612A

Operational Amplifier:

11 pcs OPA1612A

Operational Amplifier:

11 pcs OPA1612A

How to restore DO300EX to factory settings?

Select input mode (non Bluetooth mode) and select "Factory Settings" in the DO300EX menu.

How to solve the problem of no sound from headphones?

Please ensure that DO300EX has selected the correct input and output modes. Test the output of different headphone ports. Or contact the seller to resolve the issue.

How to solve any problems with the product during use?

Any usage issues, please feel free to contact the seller for resolution.

Product information