SMSL DO400 Bluetooth 5.1 Digital Headphone Power AMP ES9039MSPRO MQA-CD DAC Fully Balanced Audio Decoder Headphone Amplifier

Features

1. Support MQA decoding and MQA-CD;

2. New 3rd generation XMOS XU-316, PCM support up to 32bit/768kHz,DSD support to DSD512;

3. The new generation flagship DAC chip ES9039MSPRO of USA ESS has built-in MQA hard decoding;

4. High output power: 6W at 16 ohm and 3W at 32 ohm ;

5. Fully balanced design, 4-way ultra-low distortion precision linear feedback circuit (PLFC)

6. hree types of headphone output connectors: 4-XLR, 4.4mm and 6.35mm, to meet different purposes;

7. Specially designed linear regulated power supplies for discrete components and multiple low-noise regulated power supplies provide analog circuits with low noise power supply;All input ports except Bluetooth support DSD transmission, coaxial, optical fiber, AES/EBU

8. support DoP64;

9. Firmware upgrade function, users can upgrade the firmware of the system and USB by themselves;

10. Built-in low-noise power processing, while improving power efficiency and lower power consumption;

11. Qualcomm's latest Bluetooth 5.1 chip supports LDAC 24bit/96kHz, APTX/HD, SBC;High-quality gold-plated input and output connection terminals;

12. Japan Audio Society (JAS) Hi-Res certification;

13. Equipped with remote control and full-featured remote control.

Specifications

-- Input:USB / Optical / Coaxial / Bluetooth / I2S / 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 x 2(16Ω)

3000mW x 2(32Ω)

700mW x 2(300Ω)

350mW x 2(600Ω)

-- THD+N:XLR 0.00005%(-125dB)(UN-WTD)

RCA 0.00007%(-123dB)(UN-WTD)

HPA 0.00009%(-120dB)(UN-WTD)

-- Dynamic range:

XLR 133dB RCA 128dB HPA 126dB

SNR:XLR 133dB RCA 128dB HPA 126dB

-- Output Impedance:

LINE OUT 100Ω

HPA near0Ω

-- 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 or Later.Linux(Driverless)

-- MQA decoder:USB / Optical / Coaxial / AES

-- MQA-CD decoder:Optical / Coaxial / AES

-- Sampling rate & Bit Width:

USB PCM 44.1 ~ 768kHz(32bit)

DSD 2.8224 ~ 22.5792MHz(1bit)

Optical / Coaxial 44.1 ~ 192kHz(24bit)

DoP DoP256(USB), DoP64(Optical / Coaxial)

-- Bluetooth specification:5.1(support SBC,AAC,aptX,aptX HD,LDAC)

-- Power Consumption:<40W

-- Standby power:<0.5W

-- Size:245x186x42mm(WxHxD)

-- Weight:1.45kg/3.20lbs