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SMSL D400 ES User Manual

SMSL D400 ES
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使用说明书
本说明书的内容可能会随版本更改
如有变动, 恕不另行通知 Ver 1.0
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SMSL D400 ES Specifications

General IconGeneral
Dimensions225x185x43mm (WxHxD)
Weight1.25kg
THD+NLine Out: 0.00009% (-120dB); Headphone Amp: 0.0001% (-120dB)
Signal-to-Noise Ratio (SNR)>120dB (A-weighted)
InputUSB, Optical, Coaxial, Bluetooth
OutputRCA, XLR
USB CompatibilityUSB 2.0
Bit DepthUp to 32-bit
Sampling Rate (USB)PCM 44.1 - 768kHz
Sampling Rate (Optical/Coaxial)44.1 - 192kHz
Bluetooth Codec SupportSBC / AAC / aptX / aptX-HD / LDAC
TypeDAC/Headphone Amplifier
Supported Sampling RatesUSB: PCM 44.1 - 768kHz; DSD 2.8224 - 22.5792MHz; Optical/Coaxial: 44.1 - 192kHz
SNR>120dB (A-weighted)
USB TransmissionAsynchronous

Summary

Safety Precautions and Warranty Information

Environmental and Usage Guidelines

Instructions for proper installation, voltage usage, and handling.

Important Notes and Warranty Terms

Product information disclaimer and detailed warranty conditions.

Product Features and Specifications

Key Audio and Processing Features

Highlights MQA support, advanced DAC chip, and jitter reduction technologies.

Connectivity, Power, and Build

Details Bluetooth, power management, and physical construction aspects.

Technical Specifications Overview

Input/Output and Signal Performance

Details input/output methods, amplitude, THD+N, dynamic range, and SNR.

Audio Format and Bluetooth Capabilities

Lists supported sampling rates, bit depths, and Bluetooth codecs.

Power Consumption and Physical Dimensions

Specifies power usage, unit dimensions, and weight.

Remote Control Operation and Care

Remote Control Troubleshooting and Storage

Guidance on remote effectiveness, long-term storage, and battery disposal.

Remote Control Button Functions

Explains the operation of each button on the remote control.

Remote Control Battery Requirements

Specifies the type of batteries needed for the remote control.

Component Identification and Controls

Front Panel Components and Display

Identifies power button, menu, knob, display, and IR receiver.

Rear Panel Input/Output Ports

Details all connection ports including USB, Optical, Coaxial, AES/EBU, and Outputs.

Knob and Bluetooth Operational Guidance

Explains knob functions and Bluetooth device management procedures.

Device Functionality Overview

Input and Output Signal Management

Lists all supported input and output signal types for the device.

PCM Filter Options

Details the various PCM filter modes and their characteristics.

Advanced Audio Function Settings

DSD Filter Selections

Explains the available DSD filter modes and their cutoff frequencies.

Sound Color Customization

Describes the nine sound color modes for audio customization.

Pre-Amplifier Mode Configuration

Controls the output interface volume adjustment functionality.

Specialized Configuration Options

DPLL Jitter Management

Adjusts DPLL bandwidth for optimal jitter tolerance and performance.

FN Key Function Assignments

Defines the specific functions assigned to the FN button.

I2S Interface Mode Selection

Configures the I2S interface mode for compatibility with different sources.

I2S and Audio Phase Adjustments

I2S DSD Channel Mapping

Configures DSD channel pin assignments for I2S input.

Audio Phase Inversion

Allows adjustment of audio phase for correct channel output.

Display and System Management

Screen Dimming and Brightness Settings

Configures automatic screen dimming and adjusts display brightness.

System Reset Procedures

Guides on resetting Bluetooth pairing or all system settings.

Safety and Warranty Information (English)

Essential Safety Precautions

Covers installation environment, voltage, self-modification, and long-term use.

Important Usage Notes

Product specifications are for reference only and subject to change.

Comprehensive Warranty Terms

Details warranty period, purchase verification, exclusions, and repair process.

Product Features and Capabilities (English)

Audio Format and Decoding Support

Highlights MQA, MQA-CD, DSD, and DOP format support.

Core Processing and Circuitry

Details XMOS, ESS DAC, parallel circuit, and jitter reduction technologies.

Display, Connectivity, and Power Systems

Covers IPS display, low-noise power, Hi-Res certification, and build quality.

Bluetooth and Audio Enhancement Features

Describes Bluetooth chip, codecs, and inclusion of remote control.

Detailed Product Specifications (English)

Input/Output and Signal Performance Metrics

Covers input/output types, amplitude, THD+N, dynamic range, and SNR.

USB and Bluetooth Standards

Details USB asynchronous transmission, OS compatibility, and Bluetooth codecs.

Sampling Rates, Bit Depths, and Power

Lists sampling rates, bit depths for various inputs, and power consumption.

Physical Dimensions and Weight

Specifies the unit's physical size and weight.

Remote Control Usage Guidelines (English)

Remote Control Care and Troubleshooting

Guidance on remote effectiveness, long-term storage, and battery disposal.

Remote Control Button Functions

Explains the operation of each button on the remote control.

Remote Control Battery Specifications

Specifies the type of batteries needed for the remote control.

Interface and Control Element Identification

Front Panel Component Identification

Identifies front panel controls: power, menu, knob, display, IR receiver.

Rear Panel Input/Output Port Identification

Details all rear panel connectivity ports: USB, Optical, Coaxial, AES/EBU, Outputs.

Knob and Bluetooth Operational Guidance

Explains knob functions and Bluetooth device management procedures.

Device Functionality and Settings

Input and Output Signal Options

Lists all supported input and output signal types for the device.

PCM Filter Configurations

Details the various PCM filter modes and their characteristics.

Advanced Audio Functionality Settings

DSD Filter Selections

Explains the available DSD filter modes and their cutoff frequencies.

Sound Color Customization Modes

Describes the nine sound color modes for audio customization.

Pre-Amplifier Mode Configuration

Controls the output interface volume adjustment functionality.

Specialized Configuration Options

DPLL Jitter Reduction Settings

Adjusts DPLL bandwidth for optimal jitter tolerance and performance.

FN Key Function Assignments

Defines the specific functions assigned to the FN button.

I2S Interface Mode Selection

Configures the I2S interface mode for compatibility with different sources.

I2S and Audio Phase Adjustments

I2S DSD Channel Mapping

Configures DSD channel pin assignments for I2S input.

Audio Phase Inversion

Allows adjustment of audio phase for correct channel output.

Display and System Reset Functions

Screen Dimming and Brightness Settings

Configures automatic screen dimming and adjusts display brightness.

System and Bluetooth Reset Procedures

Guides on resetting Bluetooth pairing or all system settings.

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