1. Introducció
The SKY RECORDER Portable Sound Card USB Conversion Interface is a compact and versatile audio device designed for musicians and content creators. It facilitates high-quality instrument recording, accompaniment recording, and live streaming directly to your phone or computer. With its plug-and-play functionality and multi-platform compatibility, it offers a simple and convenient solution for various audio production scenarios.

Figure 1: SKY RECORDER device with key features.
2. Producte acabatview
2.1 Característiques clau
- Àudio d'alta fidelitat: Supports 48KHz/24bit audio output for pure, noise-free sound, utilizing a high-performance DSP to restore original sound quality.
- Multi-functional Recording: Enables instrument recording, accompaniment recording, and HP (headphone) monitoring.
- Wireless Accompaniment: Equipped with a new BT 5.4 chip for stable, long-distance wireless accompaniment.
- Plug and Play: Simple connection and operation without complex driver installations.
- Àmplia compatibilitat: Supports multiple operating systems including Android, iOS, HarmonyOS, MacOS, and Windows.
- Disseny portàtil: Mini size with a built-in clip for easy carrying and hands-free use.
- Ús versàtil: Suitable for composing, musical instrument recording, creating short videos, and live streaming.

Figure 2: Various usage scenarios for the SKY RECORDER.

Figure 3: Built-in clip design for portability.
2.2 Components del dispositiu

Figure 4: Product details and interfaces.
- Botons d'ajust de volum: Used for real-time monitoring volume adjustment.
- 3.5mm Monitoring Interface: For connecting headphones for audio monitoring.
- Port USB tipus C: Used for data transmission to a computer/phone and for power supply.
- 6.35mm Instrument Input: For connecting musical instruments such as guitar, bass, ukulele, or guitalele.
- REC/ACCOMP Indicator Lights: Indicate recording status and accompaniment mode.
- BT Indicator Light: Indica l'estat de la connexió Bluetooth.
- Botó d'encesa: For turning the device on/off.
3. Instruccions de configuració
3.1 Engegada/apagada
Press and hold the Power button until the indicator light illuminates (for power on) or turns off (for power off).
3.2 Connecting to an Instrument
- Connect your musical instrument (guitar, bass, ukulele, etc.) to the 6.35mm Instrument Input port on the SKY RECORDER.
3.3 Connecting to a Recording Device (Phone/Computer)
- Connect the SKY RECORDER to your smartphone, tablet, or computer using a Type-C USB cable.
- The device is plug-and-play and should be recognized automatically by your operating system (Android, iOS, HarmonyOS, MacOS, Windows).

Figura 5: Compatibilitat multiplataforma.
3.4 Bluetooth Pairing for Accompaniment
- Ensure the SKY RECORDER is powered on.
- Activate Bluetooth on your external device (e.g., smartphone).
- The BT indicator light on the SKY RECORDER will flash, indicating it's in pairing mode.
- Select "SKY RECORDER" from the list of available Bluetooth devices on your external device to pair.
- Once paired, the BT indicator light will become solid.

Figure 6: Wireless accompaniment via Bluetooth 5.4.
4. Instruccions de funcionament
4.1 Instrument Recording
- Connect your instrument and recording device as described in the Setup section.
- Open your preferred recording software or app on your connected device.
- Select the SKY RECORDER as the audio input device.
- Adjust the input levels within your software/app and on the SKY RECORDER using the Volume Adjustment Buttons if necessary.
- Begin recording your instrument. The REC indicator light will typically illuminate.
4.2 Accompaniment Recording
- Ensure your external device is paired via Bluetooth (see Section 3.4).
- To activate accompaniment recording mode, press the Volume + and Volume - buttons simultaneously. The ACCOMP indicator light will illuminate.
- Play your accompaniment audio from the Bluetooth-connected device.
- The SKY RECORDER will mix your instrument input with the Bluetooth audio for recording.

Figure 7: Accompaniment recording feature.
4.3 Seguiment
- Connecteu els auriculars al Interfície de monitorització de 3.5 mm.
- You can adjust the monitoring volume using the Volume Adjustment Buttons on the side of the device.
4.4 Live Streaming and Short Videos
The SKY RECORDER can be used as an audio interface for live streaming and creating short videos. Connect the device to your phone or computer, and select it as the audio input source in your streaming or video recording application.
5. Manteniment
- Mantingueu el dispositiu net netejant-lo amb un drap suau i sec.
- Eviteu exposar el dispositiu a temperatures extremes, humitat o llum solar directa.
- No intenteu desmuntar ni modificar el dispositiu, ja que això anul·larà la garantia i pot causar danys.
- Guardeu el dispositiu en un lloc segur quan no l'utilitzeu per evitar danys físics.
6. Solució De Problemes
- Q: How do I connect and use the device?
- A: Ensure your instrument is connected to the 6.35mm input and your recording device (phone/computer) is connected via the Type-C USB port. The device is plug-and-play, so it should be recognized automatically. For accompaniment, pair via Bluetooth. Refer to Sections 3 and 4 for detailed instructions.
- Q: No sound output or input.
- A: Check all cable connections to ensure they are secure. Verify that the device is powered on. Adjust the volume levels on both the SKY RECORDER and your connected recording device/software. Ensure the correct audio input device is selected in your recording application.
- P: Problemes de connexió Bluetooth.
- A: Make sure the SKY RECORDER is in pairing mode (flashing BT indicator). Ensure your external device's Bluetooth is on and within range. Try unpairing and re-pairing the device. Restart both the SKY RECORDER and your external device.
- Q: Poor recording quality.
- A: Check your instrument's output level. Ensure the recording environment is quiet. Verify that the recording software settings match the device's capabilities (e.g., 48KHz/24bit). The built-in DSP helps maintain high fidelity, but external factors can still affect quality.
7. Especificacions
| Característica | Especificació |
|---|---|
| Número de model | SM-2 |
| Marca | DONNER |
| Tipus | Effects (Audio Interface) |
| Origen | Xina continental |
| Qualitat de sortida d'àudio | 48KHz/24bit High-fidelity |
| Versió Bluetooth | BT 5.4 |
| Connectivitat | Type-C USB, 6.35mm Instrument Input, 3.5mm Monitoring Output |
| Compatibilitat | Android, iOS, HarmonyOS, MacOS, Windows |
| Pes | 200 g |
| Piles incloses | Sí |
| Dimensions del paquet (L x W x H) | 26 cm x 17 cm x 4 cm |
8. Consells d'usuari
- Connexió senzilla: Remember that the SKY RECORDER is designed for plug-and-play. If you encounter connection issues, double-check your cables and ensure the device is powered on before troubleshooting software settings.
- Mode d'acompanyament: For recording with backing tracks, don't forget the simultaneous press of the volume +/- buttons to activate accompaniment mode.
- Seguiment: Always use headphones with the 3.5mm jack for accurate real-time monitoring of your audio mix.
9. Garantia i Suport
For warranty information and technical support, please refer to the official product page or contact the manufacturer directly. Keep your proof of purchase for any warranty claims.





