1. Introduzione e oltreview
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.
Figura 1.1: Fronte view of the TOPPING D50 III Digital-Analog Converter in Silver.
2. Contenuto della confezione
Si prega di verificare che tutti gli articoli elencati di seguito siano inclusi nel pacco. Se alcuni articoli risultano mancanti o danneggiati, contattare l'assistenza clienti.
- TOPPING D50 III Unit
- Cavo USB CA
- Cavo USB CC
- Antenna Bluetooth
- Scheda informativa sul prodotto
- Guide for Bluetooth Remote
Figure 2.1: Contents included in the TOPPING D50 III package.
3. Caratteristiche del prodotto
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.
- Supporto audio ad alta risoluzione: Supports audio playback up to DSD 512 (Native) and PCM 768kHz/32bit, catering to the highest fidelity audio formats.
- Bluetooth 5.1 con 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.
- Uscite versatili: Includes both RCA and TRS balanced outputs to connect to a wide range of audio systems.
- Preamp Funzionalità: Può funzionare come un 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.
- Uscita trigger 12V: Enables synchronized power control with other compatible audio components, such as the A50 III amplifier, for seamless system integration.
Figura 3.1: Oltreview of TOPPING D50 III's core features.
Figura 3.2: dettagliata 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. Configurazione e connessioni
Follow these steps to set up your TOPPING D50 III DAC:
- Posizionamento: Place the D50 III on a stable, flat surface away from direct sunlight, heat sources, and excessive moisture. Ensure adequate ventilation.
- Connetti gli ingressi:
- 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.
- Ottico/coassiale: 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.
- Connetti uscite:
- Uscita RCA: Connect RCA cables from the D50 III's 'R out' and 'L out' RCA ports to your ampdiffusori acustici o attivi.
- TRS Balanced Output: For balanced connections, use TRS cables from the D50 III's 'R out' and 'L out' TRS ports to your balanced ampdiffusori acustici o attivi.
- Collegamento elettrico: 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.
- Trigger 12V (opzionale): 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.
Figura 4.2: Esample setup: D50 III connected to desktop speakers.
Figura 4.3: Esample setup: D50 III connected to a laptop and speakers.
Video 4.1: Un overview of the TOPPING D50 III, showcasing its design, various input/output ports, and connectivity options, including its compatibility with the A50 III amppiù vivace.
5. Funzionamento
Operating the TOPPING D50 III is straightforward:
- Accensione/spegnimento: Premere il pulsante di accensione sul pannello frontale per accendere o spegnere l'unità.
- Selezione 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.
- Controllo del volume: If using the D50 III as a preamp, adjust the volume using the dedicated volume knob or the remote control.
- Accoppiamento Bluetooth: To pair a new Bluetooth device, select the Bluetooth input. The D50 III will enter pairing mode. Cercare '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. Specifiche
Detailed technical specifications for the TOPPING D50 III:
| Parametro | RCA (LineOut/USB In@96kHz) | TRS (LineOut/USB In@96kHz) |
|---|---|---|
| THD+N @1kHz (peso A) | <0.00008% @1kHz | <0.00006% @1kHz |
| THD@No-wt (96kBW) | <0.0004% @20-20kHz | <0.0002% @20-20kHz |
| SNR (peso A) | 127dB a 1kHz | 132dB a 1kHz |
| Gamma dinamica a 1 kHz (peso A) | 127dB a 1kHz | 132dB a 1kHz |
| Risposta in frequenza | Da 20 Hz a 20 kHz (± 0.1 dB) | Da 20 Hz a 20 kHz (± 0.1 dB) |
| Da 20 Hz a 40 kHz (± 0.3 dB) | Da 20 Hz a 40 kHz (± 0.3 dB) | |
| Livello di uscita | 2.0 Vrms @ 0 dBFS (modalità 4 V) | 4.0 Vrms @ 0 dBFS (modalità 4 V) |
| 2.5 Vrms @ 0 dBFS (modalità 5 V) | 5.0 Vrms @ 0 dBFS (modalità 5 V) | |
| Rumore (A-wt) | <1.1uVrms | <1.3uVrms |
| Crosstalk di canale | -136 dB a 1 kHz | -147 dB a 1 kHz |
| Bilanciamento del canale | 0.3 dB | 0.3 dB |
| Impedenza di uscita | 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.
Specifiche generali:
- Dimensioni del prodotto: 5.91 x 0.79 x 2.76 pollici
- Peso dell'articolo: 10.6 once
- Produttore: GUARNIZIONE
- Numero modello: TOPPING D50III Silver
- ASIN: B0CXSDTTFD
- Data prima disponibilità: 13 marzo 2024
7. Risoluzione Dei Problemi
If you encounter issues with your TOPPING D50 III, please refer to the following common problems and solutions:
- Nessuna uscita audio:
- Ensure the D50 III is powered on and the correct input source is selected.
- Check all cable connections (input and output) are secure.
- Verifica che il tuo amplifier or active speakers are powered on and set to the correct input.
- If using USB, ensure the necessary drivers are installed on your computer and the D50 III is selected as the audio output device.
- Problemi di connessione Bluetooth:
- Assicurarsi che l'antenna Bluetooth sia fissata saldamente.
- Make sure the D50 III is in Bluetooth input mode and pairing mode (if connecting for the first time).
- Prova a disaccoppiare e riassociare il dispositivo.
- Reduce the distance between the D50 III and your Bluetooth device, and remove any obstructions.
- Qualità del suono distorta o scarsa:
- Check cable quality and connections. Use high-quality, shielded cables.
- Assicurare l'audio sorgente file non sia corrotto o di bassa qualità.
- 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).
- L'unità non risponde:
- Disconnect the power cable, wait 10 seconds, and reconnect it to perform a hard reset.
- Assicurarsi che l'alimentazione sia stabile e che rientri nel volume specificatotage gamma.
Se il problema persiste dopo aver provato queste soluzioni, contattare l'assistenza clienti per ulteriore assistenza.
8. Manutenzione
To ensure the longevity and optimal performance of your TOPPING D50 III, follow these maintenance guidelines:
- Pulizia: 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.
- Ambiente: Keep the unit in a clean, dust-free environment. Avoid exposing it to extreme temperatures, humidity, or direct sunlight.
- Ventilazione: Assicurarsi che le aperture di ventilazione non siano bloccate per evitare il surriscaldamento.
- Gestione: Maneggiare l'unità con cura. Evitare di farla cadere o di sottoporla a forti urti.
9. Garanzia e supporto
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 websito per le informazioni di contatto.