1. Giriş
The S.M.S.L DL200 is a versatile digital-to-analog converter (DAC) and headphone amplifier designed to deliver high-fidelity audio. It features advanced components and multiple input/output options, making it suitable for various audio setups. This manual provides essential information for the proper installation, operation, and maintenance of your DL200 unit.
2. Ürün Bittiview
Familiarize yourself with the front and rear panels of the S.M.S.L DL200 to understand its controls and connection points.

Şekil 2.1: Ön ve Arka Panel Düzeni
The image displays the front and rear panels of the S.M.S.L DL200. The front panel features a 6.35mm headphone jack, a 4.4mm balanced headphone jack, a digital display, and a multi-function control knob. The rear panel includes the AC power input, USB Type-C input, Optical input, Bluetooth antenna connector, Coaxial input, RCA stereo outputs, and balanced TRS stereo outputs.
2.1 Ön Panel
- 6.35 mm Kulaklık Girişi: Standart tek uçlu kulaklık çıkışı.
- 4.4 mm Kulaklık Girişi: Balanced headphone output for enhanced audio performance.
- Görüntülemek: Mevcut girişi gösterir, sampling rate, volume level, and menu options.
- Kontrol Düğmesi: Used for power on/off, volume adjustment, input selection, and menu navigation.
2.2 Arka Panel
- Güç Girişi: AC güç kaynağına bağlanır.
- USB Girişi (Type-C): Bilgisayara veya başka bir USB ses kaynağına bağlanır.
- Optik Giriş: Connects to optical digital audio sources.
- Bluetooth Anteni: For wireless Bluetooth audio reception.
- Koaksiyel Giriş: Connects to coaxial digital audio sources.
- RCA Çıkışı: Unbalanced stereo analog audio output.
- Balanced (TRS) Output: Balanced stereo analog audio output.
3. Kurulum
Follow these steps to set up your S.M.S.L DL200 for optimal performance.
3.1 Güç Bağlantısı
- Ensure the DL200 is placed on a stable, flat surface.
- Connect the provided power cable to the AC power input on the rear panel and then to a wall outlet.
3.2 Ses Kaynağı Bağlantısı
The DL200 supports multiple digital audio inputs:
- USB Bağlantısı: Connect your computer or other USB audio source to the USB Type-C input on the rear panel using a high-quality USB cable. The DL200 offers two USB modes for compatibility.
- Optik/Koaksiyel Bağlantı: Connect your optical or coaxial digital audio source to the respective inputs on the rear panel.
- Bluetooth Bağlantısı: Attach the Bluetooth antenna to the designated connector on the rear panel.

Figure 3.1: USB 2.0/1.1 Compatibility
The DL200 features two USB modes for broad compatibility. USB 2.0 mode is a high-performance DAC mode that requires official driver installation, supporting playback up to 768kHz/32bit PCM and DSD512. USB 1.1 mode supports playback up to 96kHz/24bit without drivers, making it suitable for devices like TVs, PS4, and PS5 for high-quality audio.
3.3 Çıkış Bağlantısı
- Kulaklıklar: Connect your headphones to either the 6.35mm or 4.4mm jacks on the front panel.
- Harici AmpAmplifikatör/Hoparlörler: Connect the RCA or balanced TRS outputs on the rear panel to your external amplifli veya güçlendirilmiş hoparlörler.
3.4 Driver Installation (for USB 2.0 mode on Windows)
For Windows users utilizing USB 2.0 mode, a dedicated driver is required to achieve the highest sampling rates (up to 768kHz/32bit PCM and DSD512). This driver can typically be downloaded from the official S.M.S.L product page for the DL200. Follow the provided installation instructions for the driver.
4. Kullanım Talimatları
This section details the basic operation of your DL200 unit.
4.1 Güç Açma/Kapatma
- To power on, press the control knob.
- To power off, press and hold the control knob for a few seconds.
4.2 Giriş Seçimi
Rotate the control knob to cycle through available input sources (USB, Optical, Coaxial, Bluetooth). The selected input will be displayed on the screen.
4.3 Ses Kontrolü
Rotate the control knob to adjust the volume level. The volume range is typically from 0 to 99. The DL200 features independent volume settings for headphone output and line output.
4.4 Menü Navigasyonu
Press the control knob to enter the main menu. Rotate the knob to navigate through menu options and press again to select. Use the 'Return' option or press and hold the knob to exit the menu.
4.5 Uzaktan Kumanda İşlemi
The DL200 can be operated using the included infrared remote control for convenience.

Şekil 4.1: Uzaktan Kumanda Fonksiyonları
The image shows the S.M.S.L DL200 with its remote control. The remote allows easy operation of functions such as power on/off, input switching, volume adjustment (VOL+/VOL-), mute, output mode selection, and screen brightness adjustment. The remote also supports Bluetooth pairing and menu navigation.
Remote control functions include:
- Güç düğmesi: Üniteyi açar veya kapatır.
- Geri dönmek: Menülerde geri dönmeyi sağlar.
- Main Menu/Confirm: Enters menu or confirms selection.
- Alt menü: Accesses sub-menus.
- Giriş Anahtarı: Giriş kaynakları arasında döngüsel olarak geçiş yapar.
- Sessiz tuşu: Sesi kapatır/açar.
- Output Switch (ON/OFF): Toggles output.
- SES+/SES-: Sesi yukarı veya aşağı ayarlar.
5. Gelişmiş Özellikler
The S.M.S.L DL200 incorporates several advanced features for enhanced audio performance and versatility.
5.1 High-Performance Headphone Ampcankurtaran
The DL200 features a powerful headphone amplifier circuit, capable of driving a wide range of headphones.

Figure 5.1: PLFC High-Performance Headphone Ampcankurtaran
The DL200 is equipped with a 'PLFC' high-performance headphone amplifier circuit, delivering ultra-low distortion of 0.00009% (-120dB) and high output up to 3W at 16Ω. It offers adjustable high (+11dB) and low (0dB) output gain settings, and includes both 4.4mm and 6.35mm headphone output terminals for compatibility with various headphones.
5.2 Bluetooth Bağlantısı
The DL200 utilizes Qualcomm's latest Bluetooth 5.1 technology, supporting high-quality audio codecs for wireless streaming.
- Desteklenen Codec'ler: LDAC, aptX, aptX-HD, AAC, SBC.
- aptX Uyarlanabilir: Provides high-quality, low-latency audio for a seamless wireless listening experience.
- Eşleştirme: Select Bluetooth input and pair with your device.
5.3 MQA Decoding
The DL200 supports full MQA (Master Quality Authenticated) decoding via USB, Optical, and Coaxial inputs, allowing you to experience studio-quality audio. Optical and Coaxial inputs also support MQA-CD playback.
5.4 Digital Phase-Locked Loop (DPLL)
The DPLL function, integrated with the ES9039Q2M DAC, allows adjustment of the clock synchronization tolerance range based on the quality of the source signal. For high-quality audio sources, setting DPLL to a narrower range (e.g., dP1) can maximize jitter elimination. If audio dropouts occur with lower quality sources, gradually increase the DPLL setting (e.g., dP2, dP3, dP4) until stable playback is achieved.
5.5 Dijital Filtreler
The ES9039Q2M DAC in the DL200 offers 8 types of oversampling filters (FL1 to FL8) for out-of-band audio. These filters can subtly alter the sound characteristics. Experiment with different filter settings to find your preferred sound profile. Note that the audible difference may be minimal depending on your headphones/speakers and the audio source.
5.6 Dahili Bileşenler

Figure 5.2: Key Internal Components
This image highlights the advanced internal components of the DL200. It features the ESS high-performance DAC chip ES9039Q2M, the innovative 3rd generation XMOS XU316 USB processor, four OPA1612 high-performance op-amp ICs for low distortion and noise, and a self-developed switching power supply designed to minimize ripple and enhance power efficiency for high-quality audio delivery.
6. Bakım
Proper care and maintenance will ensure the longevity and optimal performance of your S.M.S.L DL200.
- Temizlik: Cihazın dış yüzeyini temizlemek için yumuşak, kuru bir bez kullanın. Aşındırıcı temizleyiciler veya çözücüler kullanmaktan kaçının.
- Çevre: Keep the unit in a dry, well-ventilated area, away from direct sunlight, heat sources, and excessive dust or moisture.
- İşleme: Cihazı düşürmekten veya şiddetli darbelere maruz bırakmaktan kaçının.
- Güç: Cihaz uzun süre kullanılmayacaksa güç kablosunu çıkarın.
7. Sorun Giderme
If you encounter issues with your DL200, refer to the following common problems and solutions.
- Ses Çıkışı Yok:
- Check all cable connections (power, input source, headphones/speakers).
- Ensure the correct input source is selected on the DL200.
- Verify the volume level is not set to minimum or muted.
- If using USB, ensure the correct USB mode (1.1 or 2.0) is selected and drivers are installed if necessary for USB 2.0. - Intermittent Audio/Freezing (USB connection):
- This can sometimes occur with USB connections, especially with certain PC configurations. Try switching between USB 1.1 and USB 2.0 modes.
- Ensure your PC's USB drivers are up to date.
- If using USB 2.0, ensure the S.M.S.L XMOS USB receiver chip driver is correctly installed on your PC. - Poor Bluetooth Connection:
- Ensure the Bluetooth antenna is securely attached.
- Move the DL200 closer to the Bluetooth source device.
- Avoid obstructions between the DL200 and the source device. - Control Knob Issues:
- If the control knob feels loose or unresponsive, ensure it is not stuck or obstructed. While the remote can handle most functions, some settings may require the knob. - Ekran Çok Parlak:
- Adjust the screen brightness setting via the menu or remote control.
If the problem persists after attempting these solutions, please contact S.M.S.L customer support.
8. Özellikler
| Özellik | Şartname |
|---|---|
| Giriş Terminalleri | USB, Optical, Coaxial, Bluetooth |
| Çıkış Terminalleri | RCA Line, Balanced Line (TRS), 4.4mm Headphone, 6.35mm Headphone |
| THD+N (Line Out) | %0.00006 (-123dB) |
| THD+N (Kulaklık Amp) | %0.00009 (-120dB) |
| Kulaklık Çıkış Gücü | 3W x 2 (16Ω), 1.5W x 2 (32Ω) |
| Output Level (Balanced) | 5.0Vrms |
| Output Level (Unbalanced) | 2.5Vrms |
| Kazanmak | Middle (0dB), High (11dB) |
| Dynamic Range (Balanced) | 130dB |
| Dynamic Range (Unbalanced) | 127dB |
| Dynamic Range (Headphone Amp) | 125dB |
| SNR (Balanced) | 130dB |
| SNR (Unbalanced) | 127dB |
| SNR (Headphone Amp) | 125dB |
| Çıkış Empedansı | 100Ω |
| Kulaklık Çıkış Empedansı | 0Ω'a yakın |
| Bluetooth Sürümü | BT5.1 (LDAC, aptX, aptX-HD, AAC, SBC, aptX Adaptive) |
| USB Transmission Mode | USB1.1 and USB2.0 Asynchronous Transmission |
| Supported OS (USB) | Windows 7/8/8.1/10/11, Mac OSX10.6+, Linux, Android (OTG), iOS (Apple Lightning-USB camera kit), PS4/PS5 |
| MQA Kod Çözücü | USB, Optik, Koaksiyel |
| MQA-CD Decoder | Optik, Koaksiyel |
| Bit Depth (USB) | 16bit/24bit/32bit/1bit |
| Bit Depth (Optical/Coaxial) | 16bit/24bit/1bit |
| Sampling Rate (USB PCM) | 44.1 ~ 768kHz |
| Sampling Rate (USB DSD) | DSD64 ~ DSD512 |
| SampSinyal Hızı (Optik/Koaksiyel) | 44.1kHz/48kHz/88.2kHz/96kHz/176.4kHz/192kHz/DSD64 (DoP) |
| Güç Tüketimi | <30W |
| Bekleme Gücü | <0.5W |
| Boyutlar (Y x G x D) | 31mm x 221.9mm x 206.7mm |
| Ağırlık | 1.39 kilo |
9. Garanti ve Destek
S.M.S.L products are designed for reliability and performance. For warranty information, please refer to the warranty card included with your product or visit the official S.M.S.L website. For technical support, troubleshooting assistance, or service inquiries, please contact your authorized S.M.S.L dealer or the manufacturer directly through their official support channels.


