Indledning
Thank you for choosing the Questyle M12i HiFi Headphone Amplifier. This portable USB DAC is designed to deliver high-resolution audio, supporting PCM up to 768kHz/32bit and DSD512. It features an ESS ES9281AC DAC chip and patented Current Mode amplifier technology for a clear, low-noise audio experience. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your M12i amplivligere.
Image: The Questyle M12i HiFi Headphone Ampløfter, showcasing dens kompakte design.
Pakkens indhold
Verify that all items listed below are present in your product packaging.
- Questyle M12i USB DAC Headphone Amplifier x1
- Type-C to Type-C cable x1
- Type-C to USB-A Converter x1
- Brugervejledning x1
- Garantikort x1
Image: The Questyle M12i amplifier and its included accessories laid out in the box.
Opsætning og tilslutning
The Questyle M12i is designed for broad compatibility across various operating systems and devices.
Kompatibilitet
- Operativsystemer: Android, iOS, Windows (10 version 18.3 and above, driver-free), macOS.
- Enheder: Smartphones, computers, tablets, laptops, audio players.
Image: The M12i connected to a smartphone, illustrating its compatibility with iOS, HarmonyOS, Android, macOS, and Windows devices.
Tilslutning af din enhed
- Connect one end of the provided Type-C to Type-C cable to the M12i's Type-C interface.
- Connect the other end of the Type-C cable to your source device (smartphone, tablet, laptop, etc.). If your source device uses a USB-A port, use the included Type-C to USB-A converter.
- For Apple Lightning interface devices (iPhone/iPad), an additional MFi-certified Lightning to Type-C adapter (e.g., Questyle LTC02) is required and sold separately.
- Plug your headphones or earphones into the M12i's 3.5mm headphone jack. The M12i is compatible with CTIA communication headphones.
Image: The M12i connected to a laptop via a USB-C cable, with earphones plugged into the amplivligere.
Image: The M12i connected to a tablet, demonstrating its use with portable devices for audio playback.
MFi Certification
The "i" in M12i signifies its MFi certification, ensuring full compatibility and seamless integration with iPhone and iPad devices. This certification guarantees adherence to Apple's strict requirements for external devices regarding power consumption and compatibility, minimizing risks to your iOS devices.
Image: The M12i amplifier next to a Lightning cable, highlighting its MFi certification for Apple devices.
Operation
Once connected, the M12i will automatically detect the connected device and headphone impedance, adjusting its output for optimal performance.
Indikatorer
The M12i features indicators to provide information on its operational status.
- Data Status Indicator:
- One red indicator light: Sampling rate is not higher than 48kHz.
- Two red indicators lights: Sampling rate is higher than 48kHz.
- Gain Indicator:
- Single light: Low gain mode.
- Dual lights: High gain mode.
Billede: Nærbillede view of the M12i showing the data status and gain indicator lights.
Lydafspilning
Begin playing audio from your source device. The M12i will process the digital audio signal, converting it to an analog signal and amplifying it for your headphones. Adjust volume directly from your source device.
Opretholdelse
- Hold enheden ren og tør. Brug en blød, tør klud til rengøring.
- Avoid exposing the M12i to extreme temperatures, humidity, or direct sunlight.
- Forsøg ikke at skille enheden ad eller ændre den, da dette vil ugyldiggøre garantien.
- Håndter kabler og stik forsigtigt for at forhindre beskadigelse.
Fejlfinding
Ingen lyd eller lav lydstyrke
- Ensure all cables are securely connected to both the M12i and your source device.
- Verify that your headphones are properly plugged into the M12i's 3.5mm jack.
- Check the volume level on your source device.
- Confirm that the M12i is recognized by your source device. For some devices, you may need to select the M12i as the audio output device in system settings.
Intermittent Disconnections
- Ensure the USB-C cable is firmly seated in both the M12i and the source device.
- Prøv at bruge et andet USB-C-kabel for at udelukke kabelproblemer.
- Avoid putting strain on the connection points, especially when the device is in a pocket or bag.
Poor Sound Quality (Popping, Distortion, Noise)
- Sørg for, at lydkilden er af høj kvalitet.
- Check if the issue persists with different headphones.
- Verify that the M12i's firmware is up to date. Information on firmware updates can typically be found on the Questyle official webwebsted.
- The M12i features an ultra-low noise floor; if you experience noise, ensure your headphones are not excessively sensitive or that there isn't external interference.
Device Not Recognized by PC/Mac
- For Windows 10 (version 18.3 and above) and macOS, the M12i is driver-free. Ensure your operating system is up to date.
- Prøv at tilslutte til en anden USB-port på din computer.
- Genstart din computer.
Specifikationer
| Feature | Detalje |
|---|---|
| Modelnavn | M12i |
| DAC-chip | ESS ES9281AC |
| PCM -understøttelse | Op til 768 kHz/32 bit |
| DSD Support | Op til DSD512 |
| Hovedtelefonstik | 3.5 mm Jack (compatible with CTIA communication headphones) |
| Forbindelsesteknologi | Kablet (USB Type-C) |
| Frekvensområde | 20 Hz - ≥ 80 kHz |
| Støj Gulv | Below -130dB |
| Materiale | Metal (Frosted aluminum body machined by CNC) |
| Dimensioner | 2.24 x 0.37 x 0.78 tommer |
| Varens vægt | 0.48 ounce (ca. 13.6 gram) |
| Speciel funktion | Lightweight, Patented Current Mode Amplifier module, TOREX precision power management system, Built-in smart impedance detection |
Image: Diagram illustrating the internal components of the M12i, including the DAC chip, amplifier module, and power management system.
Garanti og support
Garantioplysninger
The Questyle M12i comes with a warranty. Please refer to the included Warranty Card in your package for detailed terms and conditions, including warranty duration and coverage. Keep your proof of purchase for warranty claims.
Kundeservice
For technical assistance, product inquiries, or warranty support, please contact Questyle customer service. Contact details can typically be found on the official Questyle website or on the Warranty Card.