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SMSL SP400 User Manual

SMSL SP400
18 pages
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Ver: 1.0
使用说明书
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SMSL SP400 Specifications

General IconGeneral
Input Impedance10kΩ
Output Impedance< 0.1Ω
TypeHeadphone Amplifier
Frequency Response20Hz - 20kHz
InputXLR, RCA
OutputXLR
Power SupplyAC 100-240V

Summary

Safety Notes

Essential safety precautions for unit operation

Covers safe installation environment, correct voltage usage, and avoiding self-modification.

Warranty Terms

Warranty coverage, conditions, and regional considerations

Details warranty period, purchase date proof, excluded damages, and regional policy references.

Features

THXAAA-888 amplifier technology and output power

Highlights THXAAA-888 circuit, output power ratings for different impedances, and frequency response.

Design, controls, and display features

Covers ultra-compact design, pop-less relays, volume control, gain control, and LCD display.

Connectivity and protection features

Details balanced outputs, line inputs, pre-amplifier application, and comprehensive protection systems.

Specifications

Detailed audio section specifications

Lists inputs, outputs, SNR, noise, THD+N, THD, impedance, and frequency response.

Output power and impedance characteristics

Specifies output power for balanced and unbalanced headphone outputs across various impedances.

General section including power, size, and weight

Covers power supply voltage, consumption, standby power, unit dimensions, and weight.

Remote Control Operations

Battery installation and operating guidelines

Instructions for inserting batteries and optimal usage distance/placement for the remote.

Troubleshooting and initial use tips

Advice on signal issues, environmental interference, and the first-time operation sequence.

Display Interface Overview

Identification of front panel controls and connections

Labels and identifies the knob, display, headphone jacks, and remote window on the front panel.

Identification of rear panel connections

Labels and identifies AC input, XLR input, balanced/analog outputs, and RCA input on the rear panel.

Operating Instructions

Main interface display elements

Explains the indicators for input mode, gain level, and volume on the main screen.

Display Settings and Options

Settings menu structure and input selection

Details the 5-page settings menu and how to select input sources (Balanced/Unbalanced).

Gain and volume mode settings

Explains gain adjustment options (Low, Middle, High) and volume control modes.

Advanced Operations

Volume mode and brightness adjustments

Describes volume control modes (ENABLE/DISABLE) and brightness level settings.

Factory reset procedure

Instructions on how to restore the unit to its default factory settings.

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