1. Pengenalan dan Lebihview
The TOPPING D50 III is a high-performance Digital-to-Analog Converter (DAC) designed to deliver exceptional audio fidelity for discerning audiophiles. Featuring dual ES9039Q2M DAC chips, it supports ultra-high-resolution audio formats up to DSD 512 and PCM 768kHz. Its advanced engineering, including a novel I/V conversion circuit, ensures minimal distortion and noise, providing a pristine listening experience. The D50 III also offers versatile connectivity options and advanced features like ten-band PEQ adjustment and a 12V trigger for integrated system control.
Rajah 1.1: Depan view of the TOPPING D50 III Digital-Analog Converter in Silver.
2. Kandungan Pakej
Sila sahkan bahawa semua item yang disenaraikan di bawah disertakan dalam pakej anda. Jika ada item yang hilang atau rosak, sila hubungi sokongan pelanggan.
- TOPPING D50 III Unit
- Kabel USB AC
- Kabel CC USB
- Antena Bluetooth
- Kad Maklumat Produk
- Guide for Bluetooth Remote
Figure 2.1: Contents included in the TOPPING D50 III package.
3. Ciri-ciri Produk
The TOPPING D50 III incorporates several advanced features to enhance your audio experience:
- Dual ES9039Q2M DAC Chips: Equipped with two high-performance ES9039Q2M chips, one for each channel, ensuring superior signal-to-noise ratio, dynamic range, and ultra-low distortion.
- Advanced I/V Conversion Circuit: Features a newly designed current-to-voltage conversion circuit that significantly reduces distortion and noise, maximizing the DAC chip's performance.
- Sokongan Audio Resolusi Tinggi: Supports audio playback up to DSD 512 (Native) and PCM 768kHz/32bit, catering to the highest fidelity audio formats.
- Bluetooth 5.1 dengan LDAC: Offers high-definition wireless audio streaming with support for LDAC and other advanced Bluetooth codecs, providing excellent sound quality without cables.
- Dual Type-C Interfaces: Provides flexible and stable connectivity for signal transmission and power. An auxiliary power supply is recommended for optimal performance, especially when fixed on a desktop or connected to a mobile phone.
- Output Serbaguna: Includes both RCA and TRS balanced outputs to connect to a wide range of audio systems.
- Praamp Kefungsian: Can function as a preamplifier, allowing direct volume control for simplified audio setups.
- Ten-Band PEQ Adjustment: Offers a customizable ten-band parametric equalizer (PEQ) for precise sound profile adjustments, allowing users to fine-tune frequency gain and bandwidth. This function supports PCM 192kHz/32bit and is supported only for USB input.
- 12V Trigger Output: Enables synchronized power control with other compatible audio components, such as the A50 III amplifier, for seamless system integration.
Gambar 3.1: Lebihview of TOPPING D50 III's core features.
Rajah 3.2: Terperinci view of the dual ES9039Q2M DACs and I/V conversion.
Figure 3.3: LDAC wireless and dual Type-C interface benefits.
Figure 3.4: Visual representation of the ten-band PEQ adjustment.
4. Persediaan dan Sambungan
Follow these steps to set up your TOPPING D50 III DAC:
- penempatan: Place the D50 III on a stable, flat surface away from direct sunlight, heat sources, and excessive moisture. Ensure adequate ventilation.
- Sambungkan Input:
- USB: Connect your computer or source device to the D50 III's USB-C input using the provided USB A-C or USB C-C cable. The USB hardware is based on XMOS XU316 and Thesycon driver.
- Optik/Koaksial: For digital audio sources, connect an optical or coaxial cable from your source to the corresponding input on the D50 III.
- Bluetooth: Attach the provided Bluetooth antenna to the 'BT' connector on the rear panel.
- Sambungkan Output:
- Keluaran RCA: Connect RCA cables from the D50 III's 'R out' and 'L out' RCA ports to your amppembesar atau pembesar suara aktif.
- TRS Balanced Output: For balanced connections, use TRS cables from the D50 III's 'R out' and 'L out' TRS ports to your balanced amppembesar atau pembesar suara aktif.
- Sambungan Kuasa: Connect the power adapter to the 'POWER' USB-C port or DC15V input on the rear panel and plug it into a suitable power outlet.
- Pencetus 12V (Pilihan): If you have compatible equipment (e.g., TOPPING A50 III amplifier), connect a 12V trigger cable from the D50 III's '12V TRIGGER OUT' to the '12V TRIG IN' on the other device for synchronized power control.
Figure 4.1: Rear panel connections of the TOPPING D50 III.
Gambar 4.2: Cthample setup: D50 III connected to desktop speakers.
Gambar 4.3: Cthample setup: D50 III connected to a laptop and speakers.
Video 4.1: Tamatview of the TOPPING D50 III, showcasing its design, various input/output ports, and connectivity options, including its compatibility with the A50 III amplebih hidup.
5. Operasi
Operating the TOPPING D50 III is straightforward:
- Hidupkan/Mati Kuasa: Press the power button on the front panel to turn the unit on or off.
- Pemilihan Input: Use the input selection button or remote control to cycle through available inputs (USB, Bluetooth, Optical, Coaxial). The selected input will be displayed on the screen.
- Kawalan Kelantangan: If using the D50 III as a preamp, adjust the volume using the dedicated volume knob or the remote control.
- Pairing Bluetooth: To pair a new Bluetooth device, select the Bluetooth input. The D50 III will enter pairing mode. Cari untuk 'TOPPING D50 III' on your device and connect.
- PEQ Adjustment: For advanced users, the ten-band PEQ (Parametric Equalizer) can be accessed and adjusted via the device's menu or dedicated software (if available). Refer to the detailed PEQ guide for specific instructions on customizing frequency response.
Figure 5.1: Bluetooth pairing with the TOPPING D50 III.
Figure 5.2: Plug and Play setup on computer operating systems.
6. Spesifikasi
Detailed technical specifications for the TOPPING D50 III:
| Parameter | RCA (LineOut/USB In@96kHz) | TRS (LineOut/USB In@96kHz) |
|---|---|---|
| THD+N @1kHz (A-wt) | <0.00008% @1kHz | <0.00006% @1kHz |
| THD@No-wt (96kBW) | <0.0004% @20-20kHz | <0.0002% @20-20kHz |
| SNR (A-wt) | 127dB @ 1kHz | 132dB @ 1kHz |
| Julat Dinamik @1kHz (A-wt) | 127dB @ 1kHz | 132dB @ 1kHz |
| Respons Kekerapan | 20Hz-20kHz (±0.1dB) | 20Hz-20kHz (±0.1dB) |
| 20Hz-40kHz (±0.3dB) | 20Hz-40kHz (±0.3dB) | |
| Tahap Keluaran | 2.0Vrms @0dBFS (Mod 4V) | 4.0Vrms @0dBFS (Mod 4V) |
| 2.5Vrms @0dBFS (Mod 5V) | 5.0Vrms @0dBFS (Mod 5V) | |
| Bunyi bising (A-wt) | <1.1uVrms | <1.3uVrms |
| Saluran Crosstalk | -136dB @1kHz | -147dB @1kHz |
| Baki Saluran | 0.3 dB | 0.3 dB |
| Impedans Keluaran | 50Ω | 100Ω |
*Note: The above data is the result obtained from TOPPING lab test under AC220V 50Hz and D50 III set to 5V output mode.
Figure 6.1: TOPPING D50 III DAC parameters.
Spesifikasi Umum:
- Dimensi Produk: 5.91 x 0.79 x 2.76 inci
- Berat Barang: 10.6 auns
- Pengeluar: TOPING
- Nombor Model: TOPPING D50III Silver
- ASIN: B0CXSDTTFD
- Tarikh Mula-mula Tersedia: 13 Mac 2024
7. Penyelesaian masalah
If you encounter issues with your TOPPING D50 III, please refer to the following common problems and solutions:
- Tiada Keluaran Bunyi:
- Ensure the D50 III is powered on and the correct input source is selected.
- Check all cable connections (input and output) are secure.
- Sahkan bahawa anda ampPembesar suara atau pembesar suara aktif dihidupkan dan ditetapkan kepada input yang betul.
- If using USB, ensure the necessary drivers are installed on your computer and the D50 III is selected as the audio output device.
- Isu Sambungan Bluetooth:
- Pastikan antena Bluetooth dipasang dengan selamat.
- Make sure the D50 III is in Bluetooth input mode and pairing mode (if connecting for the first time).
- Cuba nyahgandingkan dan pasangkan semula peranti.
- Reduce the distance between the D50 III and your Bluetooth device, and remove any obstructions.
- Kualiti Bunyi Herot atau Lemah:
- Check cable quality and connections. Use high-quality, shielded cables.
- Pastikan audio sumber file is not corrupted or of low quality.
- Verify that the volume level is not excessively high, causing clipping.
- If using USB, ensure your computer's audio settings match the D50 III's capabilities (e.g., sample rate, bit depth).
- Unit Tidak Menjawab:
- Disconnect the power cable, wait 10 seconds, and reconnect it to perform a hard reset.
- Pastikan bekalan kuasa stabil dan dalam vol yang ditentukantagjulat e.
Jika masalah berterusan selepas mencuba penyelesaian ini, sila hubungi sokongan pelanggan untuk mendapatkan bantuan lanjut.
8. Penyelenggaraan
To ensure the longevity and optimal performance of your TOPPING D50 III, follow these maintenance guidelines:
- Pembersihan: Use a soft, dry cloth to wipe the exterior of the unit. Do not use liquid cleaners, aerosols, or abrasive materials, as they may damage the finish or internal components.
- Persekitaran: Keep the unit in a clean, dust-free environment. Avoid exposing it to extreme temperatures, humidity, or direct sunlight.
- Pengudaraan: Pastikan bukaan pengudaraan tidak disekat untuk mengelakkan terlalu panas.
- Pengendalian: Kendalikan unit ini dengan berhati-hati. Elakkan daripada menjatuhkannya atau menyebabkannya terkena hentaman kuat.
9. Waranti dan Sokongan
The TOPPING D50 III comes with a manufacturer's warranty. Please refer to the Product Information Card included in your package for specific warranty terms and conditions. For technical support, troubleshooting assistance beyond this manual, or warranty claims, please contact AOSHIDA customer service through the retailer where you purchased the product or visit the official AOSHIDA webtapak untuk maklumat hubungan.