1. Úvod
The AIYIMA H4 is a high-fidelity portable DAC (Digital-to-Analog Converter) and headphone amplifier designed to elevate your audio experience. It integrates a premium ES9039Q2M DAC chip, supporting high-resolution audio playback up to 768kHz/32bit PCM and DSD512. With its dual 3.5mm single-ended and 4.4mm balanced headphone outputs, the H4 delivers powerful and clear sound, capable of driving a wide range of headphones.
This manual provides essential information for setting up, operating, and maintaining your AIYIMA H4 to ensure optimal performance and longevity.
Figure 1: AIYIMA H4 Portable DAC Headphone Ampdoživotní
2. Obsah balení
Zkontrolujte prosím balení, zda neobsahuje následující položky:
- AIYIMA H4 Unit x 1
- Návod k použití x 1
- USB Type-C to C Cable x 1
- USB A to Type-C Adapter x 1
Figure 2: AIYIMA H4 Package Contents
3. Konec produktuview
The AIYIMA H4 features a compact design with essential controls and connectivity options.
3.1. Identifikace součásti
Figure 3: Labeled Diagram of AIYIMA H4 Components
- Zobrazit: 0.91-inch OLED screen showing current settings and audio information.
- Vstup USB Type-C: For connecting to source devices and power.
- Menu Button (Red): Used to access and navigate the device settings menu.
- Tlačítka hlasitosti (+/-): Adjusts the output volume. Also used for navigation in menu.
- 4.4mm vyvážený výstup pro sluchátka: Pro symetrické připojení sluchátek.
- 3.5mm single-endový výstup pro sluchátka: For standard single-ended headphone connections. This port also supports S/PDIF output.
3.2. Klíčové vlastnosti
- ES9039Q2M DAC Chip: High-performance DAC for superior audio decoding.
- Zvuk ve vysokém rozlišení: Supports up to 768kHz/32bit PCM and DSD512.
- Dva výstupy pro sluchátka: 3.5mm single-ended and 4.4mm balanced outputs.
- Výkonný výstup: Balanced output delivers up to 240mW into 32Ω.
- 8 Digital Filters: Customizable PCM digital filter modes for varied sound profiles.
- 2-Stage zisk: High/Low gain settings to match different headphone impedances.
- Kompaktní a lehký: Weighs approximately 22.5g for portability.
Figure 4: ES9039Q2M DAC Chip
Figure 5: Dual Headphone Output Ports
4. Nastavení
The AIYIMA H4 is designed for plug-and-play compatibility with various devices.
4.1. Připojení ke zdrojovému zařízení
- Identify the USB port on your source device (smartphone, tablet, computer).
- Use the provided USB Type-C to C cable or USB A to Type-C adapter to connect the AIYIMA H4 to your source device.
- The H4 will power on automatically once connected to a compatible USB power source.
- Connect your headphones to either the 3.5mm single-ended or 4.4mm balanced output port on the H4.
The H4 is compatible with macOS, iPadOS, iOS, Android, and Windows operating systems. For Windows versions prior to Windows 10, driver installation may be required. Please refer to the AIYIMA official website for driver downloads if necessary.
Figure 6: Connecting H4 to a Smartphone
Figure 7: Connecting H4 to a Laptop
Figure 8: Multi-platform Compatibility
5. Návod k obsluze
The AIYIMA H4 offers intuitive controls for audio playback and settings adjustments.
5.1. Zapnutí/vypnutí
The device powers on automatically when connected to a USB power source. Disconnect the USB cable to power off the unit.
5.2. Ovládání hlasitosti
Použijte + a - buttons on the side of the device to adjust the volume. The H4 features a 100-step precision volume control.
5.3. Navigace v menu a nastavení
Stiskněte tlačítko red Menu button to enter the settings menu. Use the + a - buttons to navigate through the options and change values. Press the Menu button again to confirm a selection or exit a sub-menu.
Figure 9: H4 Display and Menu Options
Dostupné možnosti nabídky:
- Režim zisku: Select between High and Low gain settings. High gain is suitable for high-impedance or low-sensitivity headphones, while Low gain is for more sensitive headphones.
- Režim filtrování: Choose from 8 different PCM digital filter modes to fine-tune the sound characteristics. Note: Digital filter modes are only active during PCM decoding and do not apply to DSD decoding.
- Režim výkonu: Adjust performance settings (specific options may vary, refer to on-screen display).
- Typ výstupu: Configure the output behavior.
- Režim S/PDIF: Enable or disable S/PDIF output via the 3.5mm port.
- Volume Control Mode: Adjust how volume is controlled.
- Režim HID: Human Interface Device mode settings.
- Jas displeje: Upravte jas OLED displeje.
- Inverze zobrazení: Invert the display colors.
6. Specifikace
Detailed technical specifications for the AIYIMA H4.
| Funkce | Specifikace |
|---|---|
| Značka | AIYIMA |
| Model | H4 |
| DAC čip | ESS ES9039Q2M |
| Maximální podpora PCM | 768kHz/32bit |
| Max DSD Support | DSD512 |
| Sluchátkové výstupy | 3.5mm Single-ended, 4.4mm Balanced |
| Vyvážený výstupní výkon | 240mW @ 32Ω |
| Typ rozhraní | USB |
| Zobrazit | 0.91palcový OLED |
| Ovládání hlasitosti | 100-step precision |
| Digitální filtry | 8 types (for PCM decoding only) |
| Nastavení zisku | 2-stage (High/Low) |
| Hmotnost | Přibl. 22.5 g |
| Země původu | Čína |
Figure 10: AIYIMA H4 Lightweight Design
7. Údržba
Proper care and maintenance will ensure the longevity and performance of your AIYIMA H4.
- Čištění: Use a soft, dry, lint-free cloth to clean the device. Avoid using abrasive cleaners, solvents, or chemical sprays.
- Skladování: Skladujte H4 na chladném a suchém místě mimo dosah přímého slunečního záření a extrémních teplot.
- Zacházení: Avoid dropping the device or subjecting it to strong impacts. Do not attempt to disassemble or modify the unit, as this will void the warranty.
- vlhkost: Udržujte zařízení mimo dosah vody a vysoké vlhkosti.
8. Řešení problémů
If you encounter any issues with your AIYIMA H4, please refer to the following troubleshooting guide:
8.1. Žádný zvukový výstup
- Ensure the H4 is properly connected to your source device and receiving power.
- Check that your headphones are securely plugged into the correct output port (3.5mm or 4.4mm).
- Verify the volume level on both the H4 and your source device. Increase the volume gradually.
- Confirm that the audio output settings on your source device are configured to use the AIYIMA H4 as the primary audio device.
- Zkuste použít jiný USB kabel nebo adaptér.
8.2. Distorted or Poor Sound Quality
- Zkontrolujte zvuk file quality and ensure it is not corrupted.
- Experiment with different digital filter modes in the H4's menu to see if it improves sound.
- Adjust the gain setting (High/Low) to match your headphones. Using too high a gain for sensitive headphones can cause distortion.
- Ensure the volume is not set too high, which can lead to clipping and distortion.
- Vyzkoušejte s různými sluchátky, abyste vyloučili problémy se sluchátky.
8.3. Zařízení nebylo počítačem rozpoznáno
- For Windows 10 and older operating systems, ensure that the necessary drivers are installed. Drivers can typically be found on the AIYIMA official webmísto.
- Try connecting the H4 to a different USB port on your computer.
- Restart your computer and reconnect the H4.
- Ujistěte se, že kabel USB není poškozen.
9. Záruka a podpora
The AIYIMA H4 comes with a Záruka 24 měsíců od data nákupu. Tato záruka se vztahuje na výrobní vady a poruchy při běžném používání.
For warranty claims, technical support, or any inquiries, please contact your retailer or visit the official AIYIMA website for customer service. Please retain your proof of purchase for warranty validation.