1. Úvod
The Topping DX7 Pro is a high-performance digital-to-analog converter (DAC) and headphone amplifier designed for exceptional audio fidelity. It features an ES9038PRO DAC chip, supports high-resolution audio up to DSD1024 and 32bit/768kHz, and includes Bluetooth 5.0 with LDAC for high-quality wireless streaming. This manual provides essential information for setting up, operating, and maintaining your DX7 Pro.
2. Obsah balení
Ověřte prosím, zda jsou ve vašem balení obsaženy všechny níže uvedené položky:
The package contents for the Topping DX7 Pro include the main unit, a 6.35mm to 3.5mm connector, a Bluetooth antenna, a remote control, a USB cable, an AC power cable, a user manual, and a warranty card.
- Topping DX7 Pro Unit
- 6.35mm to 3.5mm Connector
- Anténa Bluetooth
- Dálkové ovládání
- USB kabel
- Síťový napájecí kabel
- Uživatelská příručka
- Záruční list
3. Konec produktuview
3.1 Přední panel
The front panel of the Topping DX7 Pro features a 6.35mm single-ended headphone output, a 4-pin XLR balanced headphone output, an OLED screen displaying current settings, and a multi-function control knob.
- Single-end 6.35mm Output: Standardní konektor pro sluchátka.
- 4 Pin XLR Balanced Output: Pro vyvážená sluchátka.
- OLED obrazovka: Displays input source, sample rate, volume level, and menu options.
- Knoflík: Multi-function control for volume adjustment, menu navigation, and input selection.
- Přijímač dálkového ovládání: For infrared remote control commands.
3.2 Zadní panel
The rear panel of the Topping DX7 Pro includes left and right channel analog XLR outputs, left and right channel analog RCA outputs, IIS input, Bluetooth antenna connector, optical input, USB input, coaxial input, AES input, power input, and a power switch with fuse.
- Left/Right Channel Analog XLR Output: Balanced audio output for external amplifikátory nebo aktivní reproduktory.
- Left/Right Channel Analog RCA Output: Unbalanced audio output for external amplifikátory nebo aktivní reproduktory.
- IIS Input: For connecting IIS-LVDS compatible sources.
- Konektor Bluetooth antény: Pro připojení dodané Bluetooth antény.
- Optický vstup: Digitální audio vstup.
- Vstup USB: Pro připojení k počítači nebo jinému USB audio zdroji.
- COAX Input: Koaxiální digitální audio vstup.
- Vstup AES: AES/EBU digital audio input.
- Příkon: Připojení k střídavému napájení.
- Vypínač: Hlavní vypínač.
- pojistka: Replaceable fuse for power protection.
4. Nastavení
4.1 Připojení napájení
Before connecting the power cable, ensure the voltage selector switch on the underside of the unit is set to your local voltage (110V or 220V). Connect the supplied AC power cable to the power input on the rear panel and then to a wall outlet. Use the power switch on the rear panel to turn the unit on or off.
4.2 Vstupní připojení
Connect your audio sources to the appropriate digital inputs on the rear panel (USB, Optical, Coaxial, AES, IIS). For Bluetooth connectivity, screw the provided Bluetooth antenna onto its connector on the rear panel.
4.3 Výstupní připojení
Connect your headphones to either the 6.35mm single-ended or 4-pin XLR balanced output on the front panel. For connecting to external amplifiers or active speakers, use the XLR or RCA analog outputs on the rear panel.
5. Návod k obsluze
5.1 Zapnutí/vypnutí
Toggle the power switch on the rear panel to turn the DX7 Pro on or off.
5.2 Výběr vstupu
Rotate the front panel knob to cycle through available input sources (USB, Optical, Coaxial, AES, IIS, Bluetooth). The selected input will be displayed on the OLED screen.
5.3 Ovládání hlasitosti
Rotate the front panel knob to adjust the volume level. The current volume will be shown on the OLED screen. Press the knob to mute/unmute the output.
5.4 Navigace v nabídce
Press and hold the front panel knob to enter the menu. Rotate the knob to navigate through menu options and press to select. Refer to the detailed user manual for specific menu settings.
5.5 Párování Bluetooth
Select Bluetooth as the input source. The DX7 Pro will automatically enter pairing mode. On your device (phone, tablet, computer), search for "Topping DX7 Pro" in the Bluetooth settings and select it to pair. The OLED screen will indicate a successful connection.
6. Klíčové vlastnosti
6.1 High-Fidelity DAC Performance
The Topping DX7 Pro is shown connected to headphones, demonstrating its function as a high-fidelity desktop DAC. It utilizes the ESS DAC ES9038PRO chip to accurately restore audio scenes with low distortion.
The DX7 Pro incorporates the ESS ES9038PRO DAC chip, known for its high performance. Through careful design and tuning, it achieves a distortion level of less than 0.00010%, a Dynamic Range (DNR) greater than 126dB, and a Signal-to-Noise Ratio (SNR) greater than 126dB, ensuring accurate and detailed audio reproduction.
6.2 Bluetooth 5.0 with LDAC Support
This image shows the Topping DX7 Pro operating in Bluetooth mode, highlighting its Bluetooth 5.0 connectivity with LDAC support for high-definition wireless audio. It uses a CSR8675 chipset for stable and high-quality transmission.
Equipped with a CSR8675 chipset, the DX7 Pro supports Bluetooth 5.0 and various high-quality codecs including LDAC, AAC, SBC, aptX, aptX LL, and aptX HD. This enables high-definition wireless audio transmission up to 24bit/96kHz, providing a convenient and high-quality listening experience. The Bluetooth input can be disabled via the menu if not required.
6.3 Advanced Internal Design
Vnitřní view of the Topping DX7 Pro's circuit board, showcasing components such as 3 ACCUSILICON femtosecond clocks, ES9311+ES9038PRO DAC chip, LME49720 op-amps, Nichicon FW series HiFi capacitance, and TPS7A33/TPS7A47 ultra-low noise linear regulators.
The internal architecture of the DX7 Pro features three ACCUSILICON femtosecond clocks for precise timing, an ES9311+ES9038PRO DAC chip, LME49720 op-amps for low-pass filtering and headphone amplification, Nichicon FW series HiFi capacitors, and TPS7A33/TPS7A47 ultra-low noise linear regulators, all contributing to its audio performance.
7. Specifikace
- Číslo modelu: DX7 Pro
- Rozměry produktu: 9.45 x 3.54 x 14.57 palce
- Hmotnost položky: 5.33 libry
- Výrobce: POLEVA
- DAC čip: ESS ES9038PRO
- Verze Bluetooth: 5.0
- Bluetooth kodeky: LDAC, AAC, SBC, aptX, aptX LL, aptX HD
- Max Sample Rate (USB): 32bit/768kHz, DSD1024
8. Řešení problémů
- Bez napájení: Ensure the AC power cable is securely connected and the rear panel power switch is in the 'On' position. Check the voltage selector switch on the underside of the unit matches your local power supply. Verify the fuse is intact.
- Žádný zvuk: Check all audio cable connections. Confirm the correct input source is selected on the DX7 Pro. Ensure the volume level is not set to minimum or muted. Verify headphones or external speakers are properly connected and functioning.
- Problémy s připojením Bluetooth: Ensure the Bluetooth antenna is securely attached. Confirm Bluetooth is enabled on your source device and the DX7 Pro is in pairing mode or already paired. Try unpairing and re-pairing the device. Reduce the distance between the DX7 Pro and your Bluetooth device, and remove any obstructions.
- Zkreslený zvuk: Check cable integrity and connections. Ensure the sample rate and bit depth settings on your source device are compatible with the DX7 Pro. Try a different audio source or cable to isolate the issue.
9. Údržba
To ensure the longevity and optimal performance of your Topping DX7 Pro, follow these maintenance guidelines:
- Čištění: K čištění vnější strany jednotky používejte měkký, suchý hadřík. Nepoužívejte abrazivní čisticí prostředky, rozpouštědla ani chemické spreje, protože by mohly poškodit povrchovou úpravu.
- Větrání: Zajistěte dostatečné větrání jednotky. Neblokujte žádné větrací otvory.
- Prostředí: Operate the DX7 Pro in a clean, dry environment, away from direct sunlight, excessive heat, moisture, and dust.
- Skladování: Pokud budete jednotku skladovat delší dobu, odpojte ji od napájení a uložte ji na chladném a suchém místě.
10. Oficiální video produktu
Toto video poskytuje vizuální ukázkuview of the Topping DX7 Pro, showcasing its front and rear panels, highlighting the various input and output connections, and demonstrating its compact design.
11. Záruka a podpora
For detailed warranty information and customer support, please refer to the warranty card included in your package. You may also visit the official Topping website or contact your authorized dealer for assistance.
