SMSL DO200 MKII MQA Balanced DAC User Manual

1. Introduzione

This manual provides detailed instructions for the proper setup, operation, and maintenance of your SMSL DO200 MKII MQA Balanced DAC. The DO200 MKII is a high-performance digital-to-analog converter designed to deliver exceptional audio quality for home desktop audio systems. It features dual ES9068AS D/A chips, XMOS XU-316 USB solution, and supports various high-resolution audio formats including DSD512 and PCM up to 768kHz. Please read this manual thoroughly before using the device to ensure optimal performance and longevity.

2. Prodotto finitoview

Caratteristiche principali

• Dual ES9068AS D/A chips for low THD+N (-122dB).
• XMOS XU-316 true 32-bit USB solution, supporting DOP256 and native DSD512, PCM up to 768kHz.
• MQA decoding support for USB, Optical, Coaxial, and AES inputs, including MQA CD.
• Bluetooth 5.0 with LDAC 24bit/96KHz, APTX/HD, SBC, AAC codec support.
• High-resolution color IPS display with dimming and screen-off functions.
• Dotato di telecomando completo di tutte le funzionalità.
• Terminali di connessione di ingresso e uscita placcati in oro di alta qualità.
• Five OPA1612A high-end dual operational amplifiers and numerous audio-grade components.

Identificazione dei componenti

Familiarize yourself with the front and rear panels of the SMSL DO200 MKII DAC.

Descrizione dell'immagine: This image displays the SMSL DO200 MKII DAC from both front and rear perspectives, with key components labeled. The front panel shows the S.M.S.L logo, DO200 MKII model name, a function knob, and a display screen. The rear panel features various input and output ports: XLR Balanced output, Single-ended RCA output, AES/EBU input, I2S input, Coaxial input, USB input, Bluetooth input (with antenna port), Optical input, Power input, and a Power switch. An infrared receiving window is also indicated on the front.

Pannello frontale

• Manopola delle funzioni: Used for navigation and selection within the menu system.
• Schermo di visualizzazione: High-resolution color IPS display showing current settings, input, sampla velocità e il livello del volume.
• Finestra di ricezione a infrarossi: Per comandi a distanza.

Pannello posteriore

• Uscita bilanciata XLR: Per il collegamento ad apparecchiature audio bilanciate.
• Single-ended RCA Output: Per il collegamento ad apparecchiature audio sbilanciate.
• Ingresso AES/EBU: Ingresso audio digitale professionale.
• Ingresso I2S: Ingresso audio digitale ad alte prestazioni.
• Ingresso coassiale: Standard S/PDIF digital audio input.
• Ingresso USB: Porta USB-B per il collegamento a un computer o ad altre sorgenti audio USB.
• Ingresso Bluetooth: Antenna connector for wireless Bluetooth audio reception.
• Ingresso ottico: Standard S/PDIF digital audio input.
• Potenza in ingresso: AC 100-240V power connector.
• Interruttore di alimentazione: Per accendere o spegnere l'unità.

3. Impostazione

Disimballaggio e ispezione iniziale

Carefully remove the DO200 MKII from its packaging. Inspect the unit for any signs of damage during transit. Ensure all accessories are present:

• SMSL DO200 MKII Unit
• Controllo remoto
• Cavo di alimentazione
• Cavo USB
• Antenna Bluetooth
• Manuale dell'utente (questo documento)
• Scheda di garanzia

Descrizione dell'immagine: This image shows the SMSL DO200 MKII DAC along with its included accessories: a power cable, a USB cable, a remote controller, a Bluetooth antenna, a user manual, and a warranty card. The image also provides the dimensions of the DAC unit: 210mm width, 170mm depth, and 40mm height.

Collegamento del dispositivo

1. Collegamento elettrico: Connect the provided power cable to the AC IN port on the rear panel of the DO200 MKII and then to a suitable AC power outlet (100-240V).
2. Antenna Bluetooth: Screw the Bluetooth antenna onto the designated connector on the rear panel for optimal wireless performance.
3. Uscita audio: Connect the DO200 MKII to your amplifier or active speakers using either the XLR balanced outputs or the RCA single-ended outputs. Ensure correct channel (Left/Right) connections.
4. Ingresso audio: Connect your audio source (e.g., computer, CD player, streamer) to the desired input port on the rear panel (USB, Optical, Coaxial, I2S, AES/EBU).
5. Accensione: Flip the power switch on the rear panel to the 'ON' position. The display screen will illuminate.

Driver Installation (for Windows USB)

For Windows operating systems, a specific driver (XMOS driver) is required for the USB input to function correctly. This driver is typically available on the SMSL official webluogo. Segui questi passi:

1. Download the latest XMOS USB driver for the DO200 MKII from the SMSL official support page.
2. Install the driver on your Windows computer before connecting the DAC via USB.
3. Once installed, connect the DO200 MKII to your computer using the provided USB cable.
4. Select the DO200 MKII as the audio output device in your computer's sound settings.

Note: macOS, Linux, and other operating systems typically do not require additional drivers for USB audio.

4. Istruzioni per l'uso

Controlli di base

• Manopola delle funzioni: Rotate to adjust volume or navigate menu options. Press to confirm selections or enter menus.
• Telecomando: Provides full control over all functions, including input selection, volume, menu navigation, and filter settings.

Selezione dell'input

Use the function knob or the remote control to cycle through available input sources (USB, Optical, Coaxial, I2S, AES/EBU, Bluetooth). The selected input will be displayed on the screen.

Controllo del volume

Rotate the function knob clockwise to increase volume and counter-clockwise to decrease. The current volume level is shown on the display. The remote control also has dedicated volume up/down buttons.

Navigazione nei menu

Press the function knob to enter the main menu. Rotate the knob to scroll through options. Press again to select an option. Use the remote control's navigation buttons for similar functionality.

Decodifica MQA

The DO200 MKII supports MQA decoding on USB, Optical, Coaxial, and AES inputs. When playing MQA content, the display will indicate 'MQA' or 'MQA Studio' to confirm active decoding. It also supports MQA CD playback when connected to a compatible CD player via Coaxial or Optical.

Descrizione dell'immagine: This diagram illustrates how the SMSL DO200 MKII supports MQA-CD playback. It shows a CD player connected to the DAC via either a Coaxial or Optical cable. The DAC's display indicates 'MQA' and the sample rate, confirming MQA decoding functionality for both USB and S/PDIF inputs.

Funzionamento Bluetooth

Per utilizzare l'ingresso Bluetooth:

1. Select 'Bluetooth' as the input source on the DO200 MKII.
2. On your mobile device or computer, search for Bluetooth devices and select 'SMSL DO200 MKII' to pair.
3. Una volta effettuato l'abbinamento, l'audio del tuo dispositivo verrà trasmesso in streaming al DAC.

Descrizione dell'immagine: This image highlights the Bluetooth 5.0 capability of the SMSL DO200 MKII. It shows the DAC unit with its Bluetooth antenna, and text indicating support for Qualcomm's latest Bluetooth chip, LDAC 24bit/96kHz, APTX/HD, SBC, and AAC codecs.

PCM Filter Settings

The DO200 MKII offers various PCM filter options to tailor the sound to your preference. These filters include:

• Lineare veloce
• Fase minima
• Minimo lento

Access these settings via the menu. Experiment with different filters to find the one that best suits your listening environment and musical taste.

Descrizione dell'immagine: This image illustrates the PCM filter options available on the SMSL DO200 MKII. It presents a frequency response graph showing the characteristics of 'Fast Linear', 'Minimum Phase', and 'Slow Minimum' filters, demonstrating their impact on the audio signal.

Impostazioni di visualizzazione

The IPS color display offers dimming and screen-off functions. These can be configured in the menu to reduce visual distraction, especially in a dark listening environment.

Descrizione dell'immagine: This image focuses on the tempered glass display panel of the SMSL DO200 MKII. Text highlights that the panel offers higher transmittance and longer service life, along with a high-resolution color IPS display with a screen-off function.

5. Connettività

The SMSL DO200 MKII offers a comprehensive range of input and output options to integrate seamlessly into various audio setups.

Ingressi

• USB: Connects to computers (Windows, macOS, Linux) for high-resolution audio playback. Supports DSD512 and PCM 768kHz.
• Ottico (TOSLINK): For digital audio sources like CD players, TVs, or game consoles.
• Coassiale (RCA): Another S/PDIF digital input for various audio sources.
• I2S: A high-performance digital interface, often used with dedicated digital transports.
• AES/UEB: Professional digital audio input, typically found in studio equipment.
• Bluetooth 5.0: Wireless input for streaming audio from smartphones, tablets, and other Bluetooth-enabled devices. Supports LDAC, APTX/HD, SBC, AAC.

Risultati

• Uscita bilanciata XLR: Provides a balanced analog audio signal, ideal for connecting to balanced amplifiers or active speakers for reduced noise and improved signal integrity over longer cable runs.
• RCA Single-ended Output: Standard unbalanced analog audio output for connecting to a wide range of amplificatori e sistemi audio.

6. Specifiche

7. Risoluzione Dei Problemi

If you encounter issues with your SMSL DO200 MKII, refer to the following common problems and solutions:

• Nessun potere:
  • Ensure the power cable is securely connected to both the DAC and the power outlet.
  • Verificare che l'interruttore di alimentazione sul pannello posteriore sia in posizione "ON".
  • Verificare che la presa di corrente funzioni.
• Nessuna uscita audio:
  • Confirm the correct input source is selected on the DO200 MKII.
  • Check that the volume level is not set to minimum or muted.
  • Assicurati che amplifier/altoparlanti attivi siano accesi e impostati sull'ingresso corretto.
  • Verify all audio cables (XLR/RCA) are securely connected.
  • For USB input on Windows, ensure the XMOS driver is installed and the DO200 MKII is selected as the default audio device.
• Problemi di connessione Bluetooth:
  • Assicurarsi che l'antenna Bluetooth sia collegata correttamente.
  • Make sure the DO200 MKII is in Bluetooth input mode.
  • Unpair and re-pair the device from your source device's Bluetooth settings.
  • Reduce distance between the source device and the DAC, and remove any obstructions.
  • If experiencing interruptions, try disabling Wi-Fi on the source device as suggested in some user reviews, especially if using a portable player.
• Distorted or Intermittent Audio:
  • Controllare che tutti i collegamenti dei cavi non siano allentati o danneggiati.
  • Garantire la sample rate of your audio source matches the DAC's capabilities or is within its supported range.
  • Try a different audio cable to rule out cable issues.
  • If using USB, ensure the driver is correctly installed and updated.

Se il problema persiste dopo aver provato queste soluzioni, contattare l'assistenza clienti.

8. Manutenzione

To ensure the longevity and optimal performance of your SMSL DO200 MKII DAC, follow these maintenance guidelines:

• Pulizia: Use a soft, dry, lint-free cloth to clean the exterior of the unit. Avoid using harsh chemicals, solvents, or abrasive cleaners, as these can damage the finish and display.
• Ventilazione: Ensure the unit has adequate ventilation. Do not block the ventilation holes or place the unit in an enclosed space without proper airflow.
• Ambiente: Operate the DAC in a clean, dry environment, away from direct sunlight, excessive heat, humidity, and dust.
• Spegnimento quando non in uso: If the unit will not be used for an extended period, it is advisable to power it off and disconnect it from the mains power supply.
• Gestione dei cavi: Ensure audio and power cables are not excessively bent or strained, which can lead to damage over time.

9. Garanzia e supporto

The SMSL DO200 MKII is manufactured by SMSL and distributed by AOSHIDA. Your product comes with a warranty, the terms of which are detailed on the included warranty card. Please retain your proof of purchase for warranty claims.

Informazioni sulla garanzia

• Refer to the warranty card included in the packaging for specific warranty duration and conditions.
• The warranty typically covers manufacturing defects under normal use.
• Damage caused by misuse, unauthorized modifications, or improper installation is generally not covered.

Assistenza clienti

For technical assistance, warranty service, or further inquiries, please contact the retailer or the manufacturer's official support channels. Contact information can usually be found on the AOSHIDA or SMSL official websiti.