S.M.S.L M300SE High-Performance Mini USB DAC

1. Introduktion

The S.M.S.L M300SE is a compact, high-performance Digital-to-Analog Converter (DAC) and headphone amplifier designed to deliver exceptional audio quality. It incorporates advanced technologies such as dual Cirrus Logic CS43131 DAC chips, a 3rd generation XMOS XU316 processor, and Bluetooth 5.0 connectivity. This manual provides essential information for setting up, operating, and maintaining your M300SE device.

Nøglefunktioner omfatter:

• Dual Cirrus Logic CS43131 DAC chips for ultra-low distortion (0.00013% / -117dB).
• 3rd generation XMOS XU316 for PCM up to 32bit/768kHz and native DSD256.
• Full MQA decoding support.
• Reinforced glass panel and 1.29-inch OLED display with adjustable text color.
• CNC-machined aluminum alloy casing for durability and premium feel.
• True balanced output circuit with XLR terminals.
• 4.4mm balanced and 6.35mm unbalanced headphone outputs.
• Bluetooth 5.0 input with low latency and stable wireless transmission.
• Selectable output modes, preamp function, and remote control operation.
• Adjustable screen brightness and auto-off settings.
• Various digital filter modes and MQA-CD/DoP support for optical/coaxial inputs.

2. Pakkens indhold

Kontroller venligst, at alle varer er til stede i pakken:

• S.M.S.L M300SE Unit
• Simple Instruction Manual
• Bluetooth antenne
• Fjernbetjening
• USB kabel

3. Produktet er slutview

The S.M.S.L M300SE features a clear layout for easy operation and connectivity. Below are the main components and their functions:

Frontpanel

• Vise: Viser aktuel indgang, sampling rate, and other status information.
• Indgangstilstandsskifter: Button to cycle through available input sources.
• Afbryderen: Button to turn the device on or off.
• 6.35 mm hovedtelefonstik: Unbalanced headphone output.
• 4.4mm Balanced Headphone Jack: Balanceret hovedtelefonudgang.
• Betjeningsknap: Multi-function knob for volume control and menu navigation.

Bagpanel

• Balanced (XLR) Output Terminals: For connecting to balanced audio equipment.
• 3.5mm Line (RCA) Output Terminal: For connecting to unbalanced audio equipment.
• Koaksial indgang: Digital lydindgang.
• Optisk indgang: Digital lydindgang.
• Bluetooth-antenne: Connector for the included Bluetooth antenna.
• Auxiliary Power (5V): Optional power input for enhanced stability.
• USB-indgang: Til tilslutning til en computer eller anden USB-lydkilde.

4. Opsætning

4.1 Strømtilslutning

1. Connect the provided USB cable to the USB input port on the rear panel of the M300SE.
2. Tilslut den anden ende af USB-kablet til en strømkilde (f.eks. en computers USB-port eller en 5V USB-strømadapter).
3. For optimal performance, especially when using high-impedance headphones, consider using the Auxiliary Power (5V) input with a dedicated 5V power adapter (not included).

4.2 Lydindgangsforbindelser

Vælg en af ​​følgende inputmetoder:

• USB-indgang: Connect your computer or other USB audio source to the USB input port on the rear panel using the provided USB cable.
• Optisk indgang: Connect an optical cable from your audio source to the Optical input port.
• Koaksial indgang: Connect a coaxial cable from your audio source to the Coaxial input port.
• Bluetooth-indgang: Screw the Bluetooth antenna onto the designated connector on the rear panel.

4.3 Lydudgangsforbindelser

Choose the appropriate output for your listening setup:

• Hovedtelefonudgang: Connect your headphones to either the 6.35mm unbalanced jack or the 4.4mm balanced jack on the front panel.
• Balanced Line Output (XLR): Connect XLR cables from the M300SE's XLR output terminals to your balanced amplifier eller aktive højttalere.
• Unbalanced Line Output (RCA): Connect a 3.5mm to RCA cable from the M300SE's 3.5mm line output to your unbalanced amplifier eller aktive højttalere.

5. Betjeningsvejledning

5.1 Tænd/sluk

Press the Power Switch button on the front panel or the remote control to turn the device on or off.

5.2 Indgangsvalg

Press the Input Mode Switch button on the front panel or the 'Input Switch' button on the remote control to cycle through USB, Optical, Coaxial, and Bluetooth inputs.

5.3 Lydstyrkekontrol

Rotate the Operation Knob on the front panel or use the VOL+ / VOL- buttons on the remote control to adjust the volume level.

5.4 Skærmindstillinger

The M300SE allows adjustment of display brightness and auto-off settings:

• Lysstyrke: Use the remote control to adjust the display brightness through 4 levels.
• Automatisk slukning: Configure the screen display auto-off timer via the menu.

5.5 Præamp Mode

The M300SE can function as a DAC with fixed output or as a preamplifier with volume control. This setting is accessible through the device menu or remote control.

• Preamp Tilstand TIL: The device acts as a preamplifier, allowing volume control of the line outputs (XLR/RCA).
• Preamp Mode OFF (Pure DAC Mode): The line outputs provide a fixed, maximum level signal, and volume control is bypassed.

5.6 MQA-afspilning

The M300SE supports full MQA decoding via its USB input, and MQA-CD playback via optical and coaxial inputs. When playing MQA content, the display will indicate 'MQA' or 'MQA Studio'.

5.7 Bluetooth -parring

Sådan tilslutter du en Bluetooth-enhed:

1. Sørg for, at Bluetooth-antennen er korrekt fastgjort.
2. Select Bluetooth as the input source on the M300SE. The display will show 'BT'.
3. On your mobile device or computer, search for Bluetooth devices and select 'S.M.S.L M300SE'.
4. Once paired, audio will stream wirelessly to the M300SE.

5.8 Fjernbetjeningsfunktioner

Den medfølgende fjernbetjening giver nem adgang til forskellige funktioner:

• Afbryderen: Tænder/slukker enheden.
• Op ned: Navigation buttons for menu options.
• Main Menu/Confirm: Åbner hovedmenuen og bekræfter valg.
• Indgangskontakt: Skifter gennem inputkilder.
• Mute-knap: Slår lyden fra/til.
• FN knap: Function button, typically for accessing specific settings or filters.
• VOL+ / VOL-: Justerer lydstyrken op eller ned.

6. Specifikationer

7. Fejlfinding

• Ingen lydoutput:
  • Ensure the M300SE is powered on and the correct input source is selected.
  • Check all cable connections (USB, optical, coaxial, XLR, RCA, headphone).
  • Kontroller, at lydstyrken ikke er slået fra eller indstillet for lavt.
  • If using USB, ensure the correct audio output device is selected in your computer's sound settings. You may need to install specific drivers for your operating system (check the S.M.S.L webwebsted).
  • Hvis du bruger Bluetooth, skal du sørge for, at enheden er korrekt parret og tilsluttet.
• Forvrænget lyd:
  • Check if the volume is too high, causing clipping. Reduce the volume.
  • Sørg for, at lydkilden ikke sender et forvrænget signal.
  • Kontroller, at sampling rate and bit depth settings on your source device match the capabilities of the M300SE or are within its supported range.
  • Prøv et andet lydkabel for at udelukke kabelproblemer.
• Problemer med Bluetooth-forbindelse:
  • Sørg for, at Bluetooth-antennen er korrekt fastgjort.
  • Make sure the M300SE is in Bluetooth input mode.
  • Move your Bluetooth device closer to the M300SE to ensure a strong signal.
  • Prøv at ophæve parringen og parre enheden igen.
  • Restart both the M300SE and your Bluetooth source device.
• Skærm virker ikke:
  • Check if the display auto-off function is enabled and the screen has timed out. Press any button to reactivate.
  • Sørg for, at enheden modtager strøm.

8. Vedligeholdelse

• Rensning: Use a soft, dry cloth to clean the exterior of the device. Avoid using abrasive cleaners, solvents, or strong chemicals, as they may damage the finish.
• Opbevaring: Opbevar enheden et køligt, tørt sted væk fra direkte sollys og ekstreme temperaturer.
• Håndtering: Håndter enheden forsigtigt for at undgå fysisk skade. Undgå at tabe den eller udsætte den for kraftige stød.
• Ventilation: Sørg for tilstrækkelig ventilation omkring enheden for at forhindre overophedning. Bloker ikke ventilationsåbninger.

9. Garanti og support

S.M.S.L products are manufactured to high-quality standards. For warranty information, please refer to the warranty card included with your product or visit the official S.M.S.L webwebsted. Behold din købskvittering som købsbevis i tilfælde af garantikrav.

For technical support, driver downloads, or further assistance, please visit the official S.M.S.L webwebstedet eller kontakt deres kundeserviceafdeling. Kontaktoplysninger kan typisk findes på produktemballagen eller den officielle webwebsted.