1. المقدمة
The LEAUDIO Topping D70 PRO OCTO is a high-fidelity Digital-to-Analog Converter (DAC) designed to deliver exceptional audio performance. Featuring 8 Cirrus Logic CS43198 chips, Bluetooth 5.1 with LDAC support, and a full-color Aurora UI, this device offers advanced audio decoding capabilities up to PCM768kHz/32bit and DSD512. This manual provides detailed instructions for setting up, operating, and maintaining your D70 PRO OCTO to ensure optimal performance.

الشكل 1: الجبهة view of the Topping D70 PRO OCTO HiFi DAC.
2. محتويات العبوة
يرجى التحقق من الحزمة بعناية للعناصر التالية:
- Topping D70 PRO OCTO Unit
- جهاز التحكم عن بعد
- كابل يو اس بي
- التيار المتردد كابل
- هوائي البلوتوث
- دليل البدء السريع

Figure 2: Included accessories: Remote control, USB cable, AC cable, Bluetooth antenna, and Quick Start Guide.
3. انتهى المنتجview
The D70 PRO OCTO features a clear layout for easy connectivity and control.

Figure 3: Front panel (top) with display and control knob, and rear panel (bottom) with various input/output ports.
اللوحة الأمامية
- شاشة العرض: Shows current status, input, sample rate, and UI information.
- مقبض التحكم: For navigation, volume adjustment, and menu selection.
- أزرار اللمس: Three touch buttons for intuitive control of the Aurora UI.
اللوحة الخلفية
- مدخل USB: Connect to a computer for audio playback.
- المدخلات المحورية: مدخل الصوت الرقمي.
- المدخلات البصرية: مدخل الصوت الرقمي.
- موصل هوائي البلوتوث: لاستقبال إشارة البلوتوث اللاسلكية.
- USB-C (Power): مدخلات الطاقة.
- مخرج RCA (يسار/يمين): مخرج صوت تناظري غير متوازن.
- XLR Output (L/R): مخرج صوت تناظري متوازن.
- مشغل 12 فولت: For synchronized power control with other devices.
- مفتاح التشغيل: تشغيل/إيقاف الطاقة الرئيسية.
4. الإعداد
4.1 الاتصال الأولي
- Connect the Bluetooth antenna to the designated connector on the rear panel.
- Connect the D70 PRO OCTO to a power source using the provided AC power cable.
- Connect your audio source (e.g., computer, CD player) to the appropriate input on the D70 PRO OCTO (USB, Coaxial, or Optical).
- Connect the D70 PRO OCTO's output (RCA or XLR) to your ampمكبرات الصوت أو مكبرات الصوت النشطة.
- Turn on the D70 PRO OCTO using the power switch on the rear panel.
4.2 تثبيت برنامج التشغيل (ويندوز)
For Windows operating systems, a specific driver is required for optimal performance, especially for ASIO playback. The D70 PRO OCTO utilizes an XMOS XU316 and Thesycon custom driver. This driver can typically be downloaded from the manufacturer's official website. Other operating systems like Mac, Linux, iOS, and Android are generally driver-free and support plug-and-play functionality.

Figure 4: The D70 PRO OCTO offers wide compatibility with various operating systems, with specific driver requirements for Windows.
5. التشغيل
5.1 الضوابط الأساسية
- تشغيل/إيقاف التشغيل: Use the main power switch on the rear panel.
- ضبط مستوى الصوت: Rotate the control knob on the front panel to adjust the output volume.
- اختيار الإدخال: Press the control knob or use the remote control to cycle through available inputs (USB, Coaxial, Optical, Bluetooth).
5.2 واجهة مستخدم Aurora وأنماط العرض
The D70 PRO OCTO features a full-color Aurora UI with three touch buttons for an enhanced user experience. The display can show various playback information, including sample rate, volume, and input source. You can also switch between different display modes such as FFT (Fast Fourier Transform) and VU (Volume Unit) meters according to your preference.

Figure 5: The Aurora UI offers a full-color screen, touch buttons, customizable functions via the volume knob, and language switching options.
5.3 Bluetooth 5.1 Transmission
The D70 PRO OCTO supports Bluetooth 5.1 with advanced audio encoding protocols including LDAC, aptX-Adaptive, aptX HD, aptX, AAC, and SBC. This allows for high-quality wireless audio streaming from compatible devices.
- Select Bluetooth as the input source on the D70 PRO OCTO.
- Enable Bluetooth on your source device (e.g., smartphone, tablet).
- بحث عن "D70 PRO OCTO" in your device's Bluetooth settings and pair.
- Once paired, audio will be streamed wirelessly to the DAC.

Figure 6: The D70 PRO OCTO supports Bluetooth 5.1 for high-quality wireless audio transmission.
6. الميزات الرئيسية
- 8x CS43198 DAC Chips: Equipped with eight Cirrus Logic flagship CS43198 chips for superior audio conversion.
- دعم الصوت عالي الدقة: Supports PCM up to 768kHz/32bit and DSD512 audio decoding.
- واجهة مستخدم أورورا: Full-color screen and three touch buttons for intuitive control and display.
- أوضاع العرض المتنوعة: Switch between playback information, FFT, and VU meters.
- بلوتوث شنومكس: Supports LDAC, aptX-Adaptive, aptX HD, aptX, AAC, and SBC for high-quality wireless streaming.
- Low Distortion and High Dynamic Range: Achieves THD+N <0.00007% and a dynamic range of 134dB for accurate sound reproduction.

Figure 7: Visual representation of key features including 8x CS43198 chips, color display, Aurora UI, Hi-Res Audio, LDAC, and performance metrics.

Figure 8: Detailed audio performance metrics including THD+N, SNR, DNR, and Noise levels, demonstrating the DAC's high fidelity.
7. المواصفات
| ميزة | التفاصيل |
|---|---|
| شريحة DAC | 8x Cirrus Logic CS43198 |
| PCM Decoding | حتى 768 كيلو هرتز / 32 بت |
| فك تشفير DSD | ما يصل إلى DSD512 |
| نسخة البلوتوث | 5.1 |
| برامج ترميز البلوتوث | LDAC, aptX-Adaptive, aptX HD, aptX, AAC, SBC |
| THD+N (RCA) | <0.00008% @ 1kHz (A-wt) |
| THD+N (XLR) | <0.00007% @ 1kHz (A-wt) |
| النطاق الديناميكي (RCA) | 128dB @ 1kHz (A-wt) |
| النطاق الديناميكي (XLR) | 134dB @ 1kHz (A-wt) |
| Output Impedance (RCA) | 50 أوم |
| Output Impedance (XLR) | 100 أوم |
| المدخلات | USB, Coaxial, Optical, Bluetooth |
| المخرجات | RCA، XLR |
| أبعاد | الأبعاد التقريبية: 14.41 × 9.49 × 3.43 بوصة (العبوة) |
| وزن العنصر | حوالي 4.29 رطل |
| مدخلات الطاقة | USB-C (تيار مستمر 15 فولت) |
8. الصيانة
To ensure the longevity and optimal performance of your D70 PRO OCTO, follow these maintenance guidelines:
- تنظيف: Use a soft, dry cloth to clean the exterior of the device. Avoid using abrasive cleaners, solvents, or chemical sprays, as they may damage the finish.
- الموقع: ضع الجهاز على سطح مستوٍ وثابت بعيدًا عن أشعة الشمس المباشرة ومصادر الحرارة والرطوبة الزائدة. تأكد من وجود تهوية كافية حول الجهاز.
- قوة: Always use the provided power adapter. Disconnect the power cable during lightning storms or when the unit is unused for extended periods.
- التعامل: تجنب إسقاط الجهاز أو تعريضه لصدمات قوية.
9. استكشاف الأخطاء وإصلاحها
If you encounter any issues with your D70 PRO OCTO, please refer to the following common problems and solutions:
| مشكلة | السبب المحتمل | حل |
|---|---|---|
| لا يوجد طاقة | كابل الطاقة غير موصول أو أن المقبس معطل. | Ensure the power cable is securely connected and the outlet is functional. Check the power switch on the rear panel. |
| لا يوجد مخرج صوت | Incorrect input/output selection, volume too low, or faulty cables. | Verify the correct input source is selected on the DAC. Check volume levels on both the DAC and connected amplifier/speakers. Ensure audio cables are securely connected and not damaged. |
| مشاكل اتصال البلوتوث | الجهاز ليس في وضع الاقتران، أو خارج النطاق، أو يوجد تداخل. | Ensure the DAC is in Bluetooth input mode. Place the source device closer to the DAC. Try unpairing and re-pairing the devices. Avoid sources of strong electromagnetic interference. |
| صوت مشوه | Input signal too high, faulty cables, or incorrect settings. | Reduce the volume on the source device. Check audio cables for damage. Ensure the DAC's settings (e.g., filter modes) are appropriate for your audio. |
| Windows PC not recognizing DAC | Missing or incorrect USB driver. | Download and install the latest USB driver from the LEAUDIO or Topping official website. Restart your computer and the DAC. |
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10. الضمان والدعم
The LEAUDIO Topping D70 PRO OCTO is covered by a manufacturer's warranty. Please refer to the warranty card included in your package or visit the official LEAUDIO/Topping webالموقع للحصول على شروط وأحكام الضمان التفصيلية.
For technical support, service, or further inquiries, please contact your retailer or the manufacturer directly. Keep your purchase receipt and product serial number handy when seeking support.