AOSHIDA DO100

SMSL DO100 USB DAC User Manual

High Resolution Balanced Audio Decoder

1. Introduzione

Grazie per l'acquistoasing the SMSL DO100 USB DAC. This device is a high-performance digital-to-analog converter designed to deliver exceptional audio fidelity. Featuring dual ES9038Q2M D/A chips, four OPA1612 op-amps, and Bluetooth 5.1 connectivity, the DO100 supports high-resolution audio formats including DSD512 and PCM up to 32bit/768kHz. This manual provides detailed instructions for setup, operation, and maintenance to ensure optimal performance and longevity of your device.

2. Informazioni sulla sicurezza

  • Non smontare l'unità. Per qualsiasi intervento di manutenzione, rivolgersi a personale qualificato.
  • Non esporre l'unità alla pioggia o all'umidità.
  • Evitare di posizionare l'unità vicino a fonti di calore come radiatori, bocchette di riscaldamento, stufe o altri apparecchi (inclusi amplificatori) che producono calore.
  • Utilizzare solo gli accessori specificati dal produttore.
  • Scollegare l'apparecchio durante i temporali o quando non viene utilizzato per lunghi periodi di tempo.
  • Assicurare una ventilazione adeguata attorno all'unità. Non ostruire le aperture di ventilazione.
  • Do not touch the internal components when the device is powered on, especially areas marked with "HIGH VOLTAGE".

3. Prodotto finitoview

3.1 Pannello frontale

The front panel features a clear display, a remote window for infrared signals, and a multi-function knob for control.

SMSL DO100 Front Panel with Display, Remote Window, and Knob labeled

Immagine: Frontale view of the SMSL DO100 DAC, highlighting the digital display, remote sensor window, and the control knob.

3.2 Pannello posteriore

The rear panel provides various input and output connections, along with the power input.

SMSL DO100 Rear Panel with RCA, XLR, Optical, Coaxial, USB Inputs, and AC Power Input labeled

Immagine: Posteriore view of the SMSL DO100 DAC, showing the RCA and XLR balanced outputs, optical, coaxial, and USB inputs, Bluetooth antenna connection, and AC power inlet.

3.3 telecomando

The DO100 comes with a full-function remote control for convenient operation.

SMSL DO100 with remote control

Image: The SMSL DO100 DAC unit positioned next to its remote control, illustrating the compact size of both components.

4. Impostazione

4.1 Disimballaggio

Carefully remove the SMSL DO100 DAC and all accessories from the packaging. Ensure the following items are present:

  • SMSL DO100 DAC Unit
  • Telecomando
  • Cavo USB (tipo C)
  • Cavo di alimentazione
  • Antenna Bluetooth
  • Manuale dell'utente (questo documento)

4.2 Connessioni

Connect your audio sources and output devices to the SMSL DO100 as follows:

  • Ingresso USB: Connect your computer or other USB audio source to the USB-C input port on the rear panel using the provided USB cable.
  • Ingresso ottico: Connect devices such as CD players, game consoles, or TVs to the "OPTICAL" input using a TOSLINK optical cable.
  • Ingresso coassiale: Connect devices with a coaxial digital output to the "COAXIAL" input.
  • Antenna Bluetooth: Screw the provided Bluetooth antenna into the designated connector on the rear panel for optimal wireless performance.
  • Uscita RCA: For single-ended analog output, connect the RCA L/R outputs to your ampdiffusori acustici o attivi che utilizzano cavi RCA.
  • Uscita XLR: For balanced analog output, connect the XLR L/R outputs to your balanced ampdiffusori acustici o attivi che utilizzano cavi XLR.
  • Collegamento elettrico: Connect the power cable to the AC power input (100-240V) on the rear panel and then to a wall outlet.
SMSL DO100 top and rear view con connessioni

Immagine: parte superiore e posteriore views of the SMSL DO100 DAC, showing the layout of all input and output ports, including USB, Optical, Coaxial, RCA, and XLR connections.

4.3 Accensione/spegnimento

After all connections are made, press the multi-function knob on the front panel or the power button on the remote control to turn the unit on. Press again to turn it off.

5. Istruzioni per l'uso

5.1 Selezione dell'ingresso

Rotate the multi-function knob on the front panel to cycle through available inputs (USB, Optical, Coaxial, Bluetooth). The selected input will be displayed on the screen. Alternatively, use the input selection buttons on the remote control.

5.2 Controllo del volume

The multi-function knob also controls the output volume. Rotate it clockwise to increase volume and counter-clockwise to decrease. The volume level will be shown on the display. The remote control also has dedicated volume up/down buttons.

5.3 Filtri digitali

The SMSL DO100 features multiple digital filters to fine-tune the sound signature. These filters are subtle but can be adjusted to match your preference or speaker characteristics. Refer to the on-screen menu (accessed via the knob or remote) for filter options.

Graph showing different digital filter responses

Image: A graph illustrating the frequency response curves of various digital filters available on the SMSL DO100, demonstrating their subtle effects on audio output.

5.4 Associazione Bluetooth

Per associare un dispositivo Bluetooth:

  1. Select Bluetooth as the input source on the DO100. The display will show "BT" and indicate pairing mode.
  2. Sul tuo dispositivo mobile (smartphone, tablet, ecc.), attiva il Bluetooth e cerca i dispositivi disponibili.
  3. Select "SMSL DO100" from the list of devices.
  4. Once connected, the display will show the Bluetooth codec being used (e.g., LDAC, aptX HD).
SMSL DO100 with Bluetooth 5.1 and phone playing music

Image: The SMSL DO100 DAC on a desk, with a smartphone displaying a music player interface, illustrating its Bluetooth 5.1 connectivity for wireless audio streaming.

5.5 DSD Playback

The DO100 supports DSD512 via USB input and DOP64 via coaxial and optical inputs. For DSD playback via USB, you may need to install specific drivers on your computer. Please visit the SMSL official websito per i driver e il software più recenti.

6. Manutenzione

  • Pulizia: Utilizzare un panno morbido e asciutto per pulire l'esterno dell'unità. Non utilizzare detergenti liquidi o spray.
  • Ventilazione: Assicurarsi che le aperture di ventilazione non siano bloccate per evitare il surriscaldamento.
  • Magazzinaggio: Se si conserva l'unità per un periodo prolungato, scollegarla dall'alimentazione e conservarla in un luogo fresco e asciutto.

7. Risoluzione Dei Problemi

ProblemaPossibile causa/soluzione
Nessun potereCheck if the power cable is securely connected. Ensure the power outlet is functional.
Nessuna uscita audioVerify input source selection. Check volume level. Ensure output cables (RCA/XLR) are correctly connected to your amplifier/speakers. Confirm amplificatore/altoparlanti siano accesi e impostati sull'ingresso corretto.
Suono distortoCheck source audio quality. Ensure cables are not damaged. Try different digital filters.
Problemi di connessione BluetoothEnsure the DO100 is in Bluetooth input mode and discoverable. Delete previous pairings on your device and try re-pairing. Move closer to the unit to reduce interference.
USB playback issues (e.g., dropouts)Ensure correct drivers are installed for your operating system. Try a different USB cable. Adjust DLL (Digital Lock Loop) settings if available in the menu (as suggested by user reviews, setting DLL to 8 or greater can solve dropouts).

8. Specifiche

The following table outlines the technical specifications of the SMSL DO100 DAC:

CaratteristicaDettaglio
ModelloSMSL DO100
IngressoUSB / ottico / coassiale / Bluetooth
Produzione Amplitude (Volume Adjustable)XLR: 4.0 Vrms, RCA: 2.0 Vrms
THD+N0.00008% (-121dB)
Gamma dinamicaXLR: 127 dB, RCA: 125 dB
Rapporto segnale/rumoreXLR: 126 dB, RCA: 124 dB
Impedenza di uscita100Ω
Trasmissione USBUSB1.1, USB2.0 (Asynchronization)
Profondità del bitUSB: 1 bit, 16-32 bit; Ottico/coassiale: 1 bit, 16-24 bit
Samptasso di lingUSB: PCM 44.1-768kHz, DSD 2.8224-22.5792MHz (DSD512); Optical/Coaxial: PCM 44.1-192kHz, DSD DOP64
Specifiche BluetoothBluetooth 5.1 (LDAC 24bit/96kHz, aptX-HD 24bit/48kHz, aptX, SBC, AAC)
Consumo energetico5W
Potenza di standby<0.5Settembre
Dimensioni (LxPxA)Dimensioni: 150x128x39mm
Peso dell'articolo1.32 libbre
MaterialeMetallo e vetro

Nota: le specifiche sono soggette a modifiche senza preavviso.

9. Garanzia e supporto

For warranty information and technical support, please refer to the official AOSHIDA or SMSL website, or contact your local dealer. Keep your purchase receipt as proof of purchase for warranty claims.

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