SMSL DO400 ES9039MSPRO MQA-CD DAC Bluetooth 5.1 DAC & Headphone AMP

Flagship DAC for Superior Sound Quality

Experience audio in its purest form. The SMSL DO400 is equipped with the ES9039MSPRO, ESS company's flagship DAC chip, boasting 8 channels and offering unmatched dynamic range and low distortion.

Revolutionary MQA Technology

Unfold music's deepest layers. With MQA decoding, immerse yourself in a truly accurate 3D sound field, recreating the magic of live performances. Whether through USB, Optical, Coaxial, or AES, the DO400 breathes life into every note.

Powerful Headphone Amplification

Whether you're using high or low impedance headphones, the DO400 is tailored to deliver the optimal power. With output power ranging from 350mW to a staggering 6000mW, every beat resonates.

Comprehensive Connectivity

Six input options, three headphone outputs, and two line outputs. Be it USB, Bluetooth, Optical, Coaxial, AES/EBU, or 12S (HDMI) input, this device adapts to your audio needs. Simultaneously enjoy multiple outputs, including 4-XLR, 4.4mm, and 6.35mm.

State-of-the-Art Bluetooth 5.1

Go wireless without compromise. Powered by Qualcomm's latest Bluetooth 5.1 chip, the DO400 supports LDAC, APTX/HD, SBC, and AAC, ensuring high-resolution audio over the air.

Elegant Design with Functional Remote Control

The suspended display window paired with a retro knob gives the DO400 a vintage charm, while its full-featured remote control enhances user convenience.

Ultra-Low Distortion Circuitry

Achieve audio clarity like never before. With its PLFC ultra-low distortion headphone amp, enjoy distortion levels as low as 0.0001% under a 16Ω load.

Spec

Model: SMSL DO400

Input: USB/Optical/Coaxial/Bluetooth/12S/AES

Output: RCA/XLR/4.4mm Headphone Jack/6.35mm Headphone Jack/4-Pin XLR Headphone Jack

Line Output Amplitude:

XLR: 5.2Vrms

RCA: 2.5Vrms

Headphome Output Power:

6000mW x2(16Ω)700mW x2(300Ω)

3000mW x2(32Ω) 350mW x2(600Ω)

THD+N:

XLR: 0.00005%(-125dBXUN-WTD)

RCA: 0.00007%(-123dBXUN-WTD)

HPA: 0.00009%(-120dBXUN-WTD)

Dynamic Range:

XLR: 133dB

RCA: 128dB

HPA: 126dB

SNR:

XLR: 133dB

RCA: 128dB

HPA: 126dB

Output Impedance:

Line out: 100Ω

HPA out: near 0Ω

HPA High Gain:

Balanced: +20dB

Unbalanced: +14dB

USB Transmission: USB2.0(Asynchronization)

USB Compatibility: Windows 7/8/8.1/10/11(Needs Driver)Mac OSX10.6以上、Linux(Driverless)

Sampling rate & Bit Width:

USB: PCM 44.1-708kHz(32bit)

DSD: 2.8224-22.5792MHz (1bit)

Opt/Coax: 44.1-192kHz(24bit)

DoP: DoP64(Opt/Coax].DoP256(USB)

MQA Decoder：USB / Optical / Coaxial / AES

MQA-CD Decoder: Optical / Coaxial / AES

Bluotoothspecification(5.1): Support SBC,AAC,aptX,aptX HD,LDAC

Power Consumption: <40W

Standby Powor: <0.5W

Size: 245X186X42mm(WxHxD)

Weight: 1.45kg/3.20lbs