DESCRIPTION
Description
SMSL Silvery DO400 ES9039MSPRO MQA Audio Decoder 4-Channel PLFC Fully Balanced Headphone Amplifier for XMOS
Features:
- Support MQA decoding and MQA-CD
- New 3rd generation XMOS XU-316, PCM support up to 32bit/768kHz,DSD support to DSD512
- The new generation flagship DAC chip ES9039MSPRO of USA ESS has built-in MQA hard decoding
- High output power: 6W at 16 ohm and 3W at 32 ohm
- Fully balanced design, 4-way ultra-low distortion precision linear feedback circuit (PLFC)
- Three types of headphone output connectors: 4-XLR, 4.4mm and 6.35mm, to meet different purposes
- 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
- Support for DoP64
- Firmware upgrade function, users can upgrade the firmware of the system and USB by themselves
- Built-in low-noise power processing, while improving power efficiency and lower power consumption
- For Qualcomm's latest Bluetooth 5.1 chip supports for LDAC 24bit/96kHz, APTX/HD, SBC
- High-quality gold-plated input and output connection terminals
- For Japan Audio Society (JAS) Hi-Res certification
- Equipped with remote control and full-featured remote control
Specification:
- 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: 5.2Vrms for XLR; 2.5Vrms for RCA
- Headphone output power: 6000mW x 2 (16ohm); 3000mW x 2 (32ohm); 700mW x 2 (300ohm); 350mW x 2 (600ohm)
- THD + N:
XLR: 0.00005% (-125dB) (UN-WTD)
RCA: 0.00007% (-123dB) (UN-WTD)
HPA: 0.00009% (-120dB) (UN-WTD)
- Dynamic range: 133dB for XLR; 128dB for RCA; 126dB for HPA
- SNR: 133dB for XLR; 128dB for RCA; 126dB for HPA
- Output impedance:
Line out: 100ohm
HPA: near 0ohm
- HPA high gain: +20dB for balanced; +14dB for unbalanced
- USB transmission: USB2.0 (Asynchronization)
- USB compatibility: for Windows 7/8/8.1/10/11(needs driver); for Mac OSX10.6 or later; for Linux (driverless)
- MQA decoder: USB / Optical / Coaxial / AES
- MQA-CD decoder: optical / coaxial / AES
- Sampling rate & bit width:
USB PAM: 44.1 ~ 768KHz (32bit)
DSD 2.8224 ~ 22.5792MHz (1bit)
Optical / Coaxial: 44.1 ~ 192KHz (24bit)
DoP: DoP256 (USB), DoP64 (Optical / Coaxial)
- Bluetooth specifications: 5.1 (support for SBC, AAC, aptX HD, LDAC)
- Power consumption: < 40W
- Standby power: < 0.5W
- Size: 245 x 186 x 42mm
- Weight: 1.45kg
Package Included:
- 1 x Audio Decoder
- 1 x Power Cable
- 1 x USB Cable
- 1 x Remote Control
- 1 x Bluetooth Antenna
- 1 x User Manual
Features:
- Support MQA decoding and MQA-CD
- New 3rd generation XMOS XU-316, PCM support up to 32bit/768kHz,DSD support to DSD512
- The new generation flagship DAC chip ES9039MSPRO of USA ESS has built-in MQA hard decoding
- High output power: 6W at 16 ohm and 3W at 32 ohm
- Fully balanced design, 4-way ultra-low distortion precision linear feedback circuit (PLFC)
- Three types of headphone output connectors: 4-XLR, 4.4mm and 6.35mm, to meet different purposes
- 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
- Support for DoP64
- Firmware upgrade function, users can upgrade the firmware of the system and USB by themselves
- Built-in low-noise power processing, while improving power efficiency and lower power consumption
- For Qualcomm's latest Bluetooth 5.1 chip supports for LDAC 24bit/96kHz, APTX/HD, SBC
- High-quality gold-plated input and output connection terminals
- For Japan Audio Society (JAS) Hi-Res certification
- Equipped with remote control and full-featured remote control
Specification:
- 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: 5.2Vrms for XLR; 2.5Vrms for RCA
- Headphone output power: 6000mW x 2 (16ohm); 3000mW x 2 (32ohm); 700mW x 2 (300ohm); 350mW x 2 (600ohm)
- THD + N:
XLR: 0.00005% (-125dB) (UN-WTD)
RCA: 0.00007% (-123dB) (UN-WTD)
HPA: 0.00009% (-120dB) (UN-WTD)
- Dynamic range: 133dB for XLR; 128dB for RCA; 126dB for HPA
- SNR: 133dB for XLR; 128dB for RCA; 126dB for HPA
- Output impedance:
Line out: 100ohm
HPA: near 0ohm
- HPA high gain: +20dB for balanced; +14dB for unbalanced
- USB transmission: USB2.0 (Asynchronization)
- USB compatibility: for Windows 7/8/8.1/10/11(needs driver); for Mac OSX10.6 or later; for Linux (driverless)
- MQA decoder: USB / Optical / Coaxial / AES
- MQA-CD decoder: optical / coaxial / AES
- Sampling rate & bit width:
USB PAM: 44.1 ~ 768KHz (32bit)
DSD 2.8224 ~ 22.5792MHz (1bit)
Optical / Coaxial: 44.1 ~ 192KHz (24bit)
DoP: DoP256 (USB), DoP64 (Optical / Coaxial)
- Bluetooth specifications: 5.1 (support for SBC, AAC, aptX HD, LDAC)
- Power consumption: < 40W
- Standby power: < 0.5W
- Size: 245 x 186 x 42mm
- Weight: 1.45kg
Package Included:
- 1 x Audio Decoder
- 1 x Power Cable
- 1 x USB Cable
- 1 x Remote Control
- 1 x Bluetooth Antenna
- 1 x User Manual
Payment Terms
1. We accept PayPal,Payoneer,Visa Card,Google pay,Credit card etc.
2. We ship to your eBay or Paypal address. Please make sure your eBay and Paypal address is correct before you pay.
2. We ship to your eBay or Paypal address. Please make sure your eBay and Paypal address is correct before you pay.
Shipping Terms
1. We will process the order within the handling time ,if you have any questions, please contact us via eBay message or email.
2. For remote regions of DHL/FedEx..., extra shipping costs might be charged. Usually it costs about 30USD-50USD. We will contact you if shipping company informed us your address belongs to remote area. Thanks for your understanding.
2. For remote regions of DHL/FedEx..., extra shipping costs might be charged. Usually it costs about 30USD-50USD. We will contact you if shipping company informed us your address belongs to remote area. Thanks for your understanding.
Return Terms
If you receive the item that not satisfied or defective, please do not open case and kindly notify us within 30 days. We will guide you the returning process for replacement or refund.
Custom Duties & Taxes
1. It is buyer's responsibility to cover the import duties, taxes.We do not charge any taxes and fees, and the possible taxes and fees will be collected by the platform or by third parties such as customs and carriers.
2. Please check with your country's customs office and inform us what/how much should declare before shipping.
2. Please check with your country's customs office and inform us what/how much should declare before shipping.
Feedback
1. Please kindly leave us a positive feedback and 5 star DSR if you satisfied with our product and service. Please feel free to contact us firstly if you have any problem with your order, we are responsible and credible seller and will solve the issue it for you asap.
2. If you are dissatisfied for any reason, please don't be quick to leave us neutral or negative feedback. We work hard to make sure EVERY CUSTOMER 100% SATISFIED and resolve any problem for you and always leave positive feedback to all our customers.
2. If you are dissatisfied for any reason, please don't be quick to leave us neutral or negative feedback. We work hard to make sure EVERY CUSTOMER 100% SATISFIED and resolve any problem for you and always leave positive feedback to all our customers.
On Feb 23, 2026 at 22:50:44 PST, seller added the following information:
