Introducció
The JCALLY JM25 is a portable digital audio decoding amplifier designed to enhance your mobile audio experience. This adapter converts a Type-C digital audio output to a 3.5mm analog output, allowing you to connect traditional headphones and audio devices to modern smartphones, tablets, and computers. Featuring a high-performance ES9318C DAC chip and supporting high-resolution audio formats like PCM 32bit/384kHz and DSD256, the JM25 delivers lossless sound quality in a compact and durable design.
Característiques clau
- Flagship Dual Chips: Equipped with ESS ES9318C main DAC chip and SAVITECH SA9312L main control chip for superior audio processing.
- Suport d'àudio d'alta resolució: Supports PCM up to 32bit/384kHz and DSD64, DSD128, DSD256 (Native) for exceptional sound clarity.
- Qualitat de so sense pèrdues: Designed to provide high-fidelity, lossless audio decoding.
- Àmplia compatibilitat: Connects Type-C devices (phones, computers, tablets) to 3.5mm audio devices (earphones, headphones, audio systems, car audio).
- Construcció duradora: Features an aluminum alloy die-cast curved shell with anodized spray 180 mesh fine sand craft for resistance to wear and scratches.
- Cable premium: Utilizes an 8-core Kirin weaving cable (blue mix silver) to enhance timbre brightness and reproduce natural sound.
- Robust Connectors: TID certificated Type-C plug ensures a tight connection, and a contact-making 3.5mm female connector increases plug lifetime.
- Disseny portàtil: Small size and light weight (approx. 6g) make it easy to carry.
Especificacions
| Atribut | Valor |
|---|---|
| Marca | JCALLY |
| Nom del producte | JM25 audio adapter |
| Xip DAC | ES9318C |
| USB Main Control Chip | SAVITECH SA9312L |
| Suport PCM | 32 bits 384 kHz |
| DSD (Native) Support | DSD64, DSD128, DSD256 |
| Signal To Noise Ratio (SNR) | 115 dB |
| THD+N | -110 dB |
| Crosstalk Suppression | -110 dB |
| Vol. De sortidatage | 35.15mW@16Ω, 1.2mW@600Ω |
| Freqüència dinàmica | 115 dB |
| Distorsió | -100 dB |
| Frequency Response (FR) | 20Hz-20KHz |
| Output Thrust | Dynamic Adaptive 16Ω~600Ω |
| Longitud | 110 mm ± 10 mm |
| Pes | 6 g ± 0.5 g |
| Color | Blue (cable) |
| Bateria incorporada | No |
| WIFI | No |
| Bluetooth | No |
Guia de configuració
The JM25 is designed for plug-and-play functionality. Follow these steps to connect your device:
- Identifica els ports: Locate the Type-C port on your source device (smartphone, tablet, computer) and the 3.5mm audio jack on your headphones or audio system.
- Connecta a la font: Insert the Type-C connector of the JM25 adapter firmly into the Type-C port of your source device.
- Connecta la sortida d'àudio: Plug your 3.5mm headphones or audio cable into the 3.5mm female connector of the JM25 adapter.
- Verifica la connexió: Ensure both connections are secure. Your device should automatically recognize the JM25 as an audio output device.
Instruccions de funcionament
Once connected, the JM25 functions as an external sound card, processing digital audio from your source device and outputting it as high-fidelity analog sound to your connected 3.5mm audio device.
- Control de volum: Adjust the volume directly from your source device (phone, computer, etc.). The JM25 does not have independent volume controls.
- Reproducció d'àudio: Start playing audio from your preferred music player or streaming service on your source device. The sound will be routed through the JM25 to your connected headphones or speakers.
- Àudio d'alta resolució: For optimal performance with high-resolution audio files (PCM 32bit/384kHz, DSD256), ensure your source device and audio player software support these formats.
Cura i Manteniment
- Neteja: Feu servir un drap suau i sec per netejar l'adaptador. Eviteu utilitzar netejadors líquids o dissolvents.
- Emmagatzematge: Store the adapter in a cool, dry place when not in use. Avoid extreme temperatures.
- Manipulació: Handle the adapter by its connectors, not by the cable, to prevent damage to the wiring. Avoid excessive bending or twisting of the cable.
- Protecció: The aluminum alloy shell provides good durability, but avoid dropping the device or subjecting it to strong impacts.
Resolució de problemes
- Sense sortida de so:
- Ensure the JM25 is fully inserted into the Type-C port of your source device.
- Verify that your headphones/speakers are correctly plugged into the 3.5mm jack of the JM25.
- Check the volume level on your source device and ensure it's not muted.
- Test with different headphones or a different source device to isolate the issue.
- Some Android devices may require enabling "OTG" or "USB Audio" in settings.
- Mala qualitat de so/distorsió:
- Assegureu-vos l'àudio file o la qualitat de la transmissió en temps real és alta.
- Check for loose connections at both ends of the adapter.
- Avoid using the adapter in environments with strong electromagnetic interference.
- Ensure your source device's audio drivers are up to date (especially for computers).
- Adaptador no reconegut:
- Prova de desconnectar i tornar a connectar l'adaptador.
- Reinicieu el dispositiu d'origen.
- Ensure your source device's Type-C port supports audio output (not all Type-C ports do).
- Test the adapter on another compatible device if possible.
Consells per a l'usuari
- For the best audio experience, use high-quality audio files and headphones.
- Keep the adapter clean and free from dust to maintain optimal connection quality.
- When connecting to a computer, ensure the audio output device is set to the JM25 (or recognized USB audio device) in your sound settings.
- Some devices might require a few seconds to recognize the adapter upon initial connection.
Garantia i Suport
For warranty information, technical support, or service inquiries, please contact the manufacturer or your point of purchase. Keep your proof of purchase for any warranty claims.