AOSHIDA DO100
SMSL DO100 USB DAC User Manual
High Resolution Balanced Audio Decoder
1. Pengenalan
Terima kasih kerana membeliasing 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. Maklumat Keselamatan
- Jangan buka unit ini. Rujuk semua servis kepada kakitangan yang berkelayakan.
- Jangan dedahkan unit kepada hujan atau lembapan.
- Elakkan meletakkan unit berhampiran sumber haba seperti radiator, daftar haba, dapur, atau radas lain (termasuk amppenghidup) yang menghasilkan haba.
- Gunakan hanya lampiran/aksesori yang ditentukan oleh pengilang.
- Cabut plag radas ini semasa ribut petir atau apabila tidak digunakan untuk jangka masa yang lama.
- Pastikan pengudaraan yang betul di sekeliling unit. Jangan sekat sebarang bukaan pengudaraan.
- Do not touch the internal components when the device is powered on, especially areas marked with "HIGH VOLTAGE".
3. Produk Lebihview
3.1 Panel Depan
The front panel features a clear display, a remote window for infrared signals, and a multi-function knob for control.

Imej: Depan view of the SMSL DO100 DAC, highlighting the digital display, remote sensor window, and the control knob.
3.2 Panel Belakang
The rear panel provides various input and output connections, along with the power input.

Imej: Belakang 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 Alat Kawalan Jauh
The DO100 comes with a full-function remote control for convenient operation.

Image: The SMSL DO100 DAC unit positioned next to its remote control, illustrating the compact size of both components.
4. Persediaan
4.1 Membongkar
Carefully remove the SMSL DO100 DAC and all accessories from the packaging. Ensure the following items are present:
- SMSL DO100 DAC Unit
- Alat Kawalan Jauh
- Kabel USB (Jenis-C)
- Kabel Kuasa
- Antena Bluetooth
- Manual Pengguna (dokumen ini)
4.2 Sambungan
Connect your audio sources and output devices to the SMSL DO100 as follows:
- Input USB: Connect your computer or other USB audio source to the USB-C input port on the rear panel using the provided USB cable.
- Input Optik: Connect devices such as CD players, game consoles, or TVs to the "OPTICAL" input using a TOSLINK optical cable.
- Input sepaksi: Connect devices with a coaxial digital output to the "COAXIAL" input.
- Antena Bluetooth: Screw the provided Bluetooth antenna into the designated connector on the rear panel for optimal wireless performance.
- Keluaran RCA: For single-ended analog output, connect the RCA L/R outputs to your amppembesar suara atau pembesar suara aktif menggunakan kabel RCA.
- Keluaran XLR: For balanced analog output, connect the XLR L/R outputs to your balanced amppembesar suara atau pembesar suara aktif menggunakan kabel XLR.
- Sambungan Kuasa: Connect the power cable to the AC power input (100-240V) on the rear panel and then to a wall outlet.

Image: Top and rear 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 Hidupkan/Mati Kuasa
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. Arahan Operasi
5.1 Pemilihan Input
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 Kawalan Kelantangan
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 Penapis Digital
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.

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 Berpasangan Bluetooth
Untuk memasangkan peranti Bluetooth:
- Select Bluetooth as the input source on the DO100. The display will show "BT" and indicate pairing mode.
- Pada peranti mudah alih anda (telefon pintar, tablet, dll.), dayakan Bluetooth dan cari peranti yang tersedia.
- Select "SMSL DO100" from the list of devices.
- Once connected, the display will show the Bluetooth codec being used (e.g., LDAC, aptX HD).

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 Main Semula DSD
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 webtapak untuk pemacu dan perisian terkini.
6. Penyelenggaraan
- Pembersihan: Gunakan kain lembut dan kering untuk membersihkan bahagian luar unit. Jangan gunakan pembersih cecair atau aerosol.
- Pengudaraan: Pastikan bukaan pengudaraan tidak disekat untuk mengelakkan terlalu panas.
- Storan: Jika menyimpan unit untuk tempoh yang lama, putuskan sambungannya daripada kuasa dan simpan di tempat yang sejuk dan kering.
7. Penyelesaian masalah
| Masalah | Kemungkinan Punca / Penyelesaian |
|---|---|
| Tiada kuasa | Check if the power cable is securely connected. Ensure the power outlet is functional. |
| Tiada keluaran bunyi | Verify input source selection. Check volume level. Ensure output cables (RCA/XLR) are correctly connected to your amplifier/speakers. Confirm amplifier/speakers are powered on and set to the correct input. |
| Bunyi herot | Check source audio quality. Ensure cables are not damaged. Try different digital filters. |
| Isu sambungan Bluetooth | Ensure 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. Spesifikasi
The following table outlines the technical specifications of the SMSL DO100 DAC:
| Ciri | Perincian |
|---|---|
| Model | SMSL DO100 |
| Input | USB / Optik / Sepaksi / Bluetooth |
| Keluaran Amplitude (Volume Adjustable) | XLR: 4.0Vrms, RCA: 2.0Vrms |
| THD+N | 0.00008% (-121dB) |
| Julat Dinamik | XLR: 127dB, RCA: 125dB |
| SNR | XLR: 126dB, RCA: 124dB |
| Impedans Keluaran | 100Ω |
| Penghantaran USB | USB1.1, USB2.0 (Asynchronization) |
| Kedalaman Bit | USB: 1bit, 16-32bit; Optical/Coaxial: 1bit, 16-24bit |
| SampKadar ling | USB: PCM 44.1-768kHz, DSD 2.8224-22.5792MHz (DSD512); Optical/Coaxial: PCM 44.1-192kHz, DSD DOP64 |
| Spesifikasi Bluetooth | Bluetooth 5.1 (LDAC 24bit/96kHz, aptX-HD 24bit/48kHz, aptX, SBC, AAC) |
| Penggunaan Kuasa | 5W |
| Kuasa Siap Sedia | <0.5W |
| Saiz (WxDxH) | 150x128x39mm |
| Berat Barang | 1.32 paun |
| bahan | Logam dan Kaca |
Catatan: Spesifikasi boleh berubah tanpa notis.
9. Waranti dan Sokongan
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.
Sumber Dalam Talian:
- Panduan Pengguna Rasmi (PDF): Muat turun PDF
- AOSHIDA Store on Amazon: Lawati Kedai
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