Introducció
The Vonyx STM2270 is a versatile 2-channel DJ mixer designed for both aspiring and experienced DJs. It integrates modern features such as Bluetooth connectivity and a USB/SD card MP3 player, alongside essential DJ tools like a crossfader and microphone input. This manual provides detailed instructions for the safe and efficient setup, operation, and maintenance of your Vonyx STM2270 mixer.

Davant view of the Vonyx STM2270 DJ Mixer, showing all controls and inputs.
Configuració
Desembalatge
- Traieu amb cura tots els components de l'embalatge.
- Verify that all parts are present and undamaged.
- Conserveu l'embalatge original per a futurs transports o emmagatzematges.
Connexió d'alimentació
- Ensure the mixer is switched off before connecting the power supply.
- Connect the provided 14V/600mA power adapter to the DC input on the rear panel of the mixer.
- Plug the power adapter into a standard 220V AC electrical outlet.
Connexions d'àudio
The STM2270 offers various input and output options for connecting your audio sources and sound system.

Rear panel of the Vonyx STM2270 DJ Mixer, showing power input, master output, line/phono inputs, and microphone input.
- Sortida mestra: Connect your main sound system (amplifiers, powered speakers) to the MASTER OUTPUT RCA jacks.
- Line/Phono Inputs: Connect CD players, media players, or other line-level devices to the LINE inputs. For turntables, use the PHONO inputs. Ensure the correct input type is selected on the mixer.
- Entrada de micròfon: Connect a microphone to the 6.3mm jack input on the rear panel.
- Sortida d'auriculars: Connect your headphones to the 6.3mm jack on the front panel for monitoring.
En funcionament
Encès/Apagat
- To power on, ensure all volume controls are at their minimum setting, then press the POWER button.
- To power off, lower all volume controls, then press the POWER button.
Control de canals
The mixer features two main channels, each with dedicated controls:
- Selector d'entrada: Switch between LINE/USB (for Channel 1) or LINE/PHONO (for Channel 2) inputs.
- Control de guany: Adjust the input level for each channel to prevent clipping.
- Equalitzador (EQ): Each channel has 2-band EQ controls (High and Low) to adjust the tone of the audio. (Highs: ±10dB, Lows: ±10dB).
- Fader del canal: Controls the volume of the respective channel.
- Botó CUE: Activates pre-fader listening (PFL) for the channel through headphones.

Close-up of the EQ section and LED level meters.
Master and Crossfader
- Fader mestre: Controla el volum de sortida general del mesclador.
- Crossfader: Allows for smooth transitions between Channel 1 and Channel 2. Slide the crossfader to the left for Channel 1, to the right for Channel 2, and to the center for a blend of both.

Close-up of the crossfader and integrated sound effects buttons.
Connectivitat Bluetooth
- Activate the Bluetooth function on the mixer (usually via the MP3 player section).
- Activa el Bluetooth al teu dispositiu extern (telèfon intel·ligent, tauleta, etc.).
- Cerca and select "Vonyx STM2270" (or similar) in your device's Bluetooth settings to pair.
- Once paired, audio from your device will be routed through the mixer.
USB/SD MP3 Player
- Inseriu una unitat flash USB o una targeta SD que contingui àudio MP3 files into the designated slot.
- Use the player controls (Play/Pause, Next, Previous, Mode) to navigate and play tracks.
- The display will show track information and playback time.

Close-up of the USB port and SD card slot for the integrated MP3 player.
Ús del micròfon
- Connect your microphone to the MIC input.
- Ajusteu el botó MIC VOL per controlar el volum del micròfon.
- The mixer may include a 'talkover' function, which automatically lowers the music volume when the microphone is in use, allowing vocals to be heard clearly.
Efectes de so
The mixer includes integrated sound effects. Use the dedicated buttons to trigger effects and the SPEED knob to adjust their characteristics.
Manteniment
Neteja
- Disconnect the mixer from power before cleaning.
- Utilitzeu un drap suau i sec per netejar l'exterior.
- Per a la brutícia persistent, una mica deamp es pot fer servir un drap amb sabó suau, seguit d'un drap sec.
- Avoid using abrasive cleaners, solvents, or excessive moisture, as these can damage the unit.
Emmagatzematge
- Guardeu la batedora en un lloc fresc i sec, allunyat de la llum solar directa i de temperatures extremes.
- If storing for an extended period, use the original packaging to protect against dust and physical damage.
Resolució de problemes
If you encounter issues with your Vonyx STM2270 mixer, refer to the following common problems and solutions:
- Sense energia:
- Check if the power adapter is securely connected to both the mixer and the electrical outlet.
- Comproveu que la presa de corrent funcioni.
- Sense sortida de so:
- Ensure the Master Fader is raised.
- Check that individual Channel Faders are raised and not muted.
- Verify all audio cables are correctly connected to the mixer's inputs and outputs, and to your sound system.
- Confirm the correct input source is selected for each channel.
- Àudio distorsionat:
- Reduce the Gain control for the input channel to prevent clipping (indicated by red LEDs on the level meter).
- Check the volume levels on your connected audio sources.
- Inspeccioneu els cables d'àudio per detectar danys o connexions soltes.
- Problemes de connexió Bluetooth:
- Ensure the mixer's Bluetooth function is active and in pairing mode.
- Make sure your external device's Bluetooth is enabled and searching for devices.
- Move your device closer to the mixer to ensure it's within range.
- Prova de desvincular i tornar a vincular el dispositiu.
- Humming/Noise in Headphones:
- Assegureu-vos que totes les connexions siguin segures.
- Prova amb diferents auriculars per descartar problemes amb els auriculars.
- Check for potential ground loops or interference from other electronic devices nearby.
Especificacions
| Característica | Especificació |
|---|---|
| Marca | Vonyx |
| Model | STM2270 |
| Nombre de canals | 2 (with multiple inputs per channel) |
| Resposta de freqüència | 20 Hz - 20 kHz |
| THD (distorsió harmònica total) | < 0.05% |
| Equalitzador (EQ) | Highs: ±10dB, Lows: ±10dB |
| Entrada de micròfon | 10 mV / 10 K Ohm (6.3mm Jack) |
| Entrada de línia | 300 mV / 30 K Ohm |
| Entrada fono | 15 mV / 22 K Ohm |
| Sortida Mestra | 2 V / 400 Ohm (RCA) |
| Impedància dels auriculars | 16 - 32 Ohms |
| Ràtio senyal / soroll | > 70 dB |
| Font d'alimentació | 14 V / 600 mA (AC Adapter) |
| Vol. Operatiutage | 220 Volts |
| Tecnologia de connectivitat | Bluetooth, USB |
| Dimensions (P x A x A) | 24 cm x 20 cm x 6 cm |
Garantia i Suport
This Vonyx STM2270 DJ Mixer is covered by a manufacturer's warranty, subject to the terms and conditions provided at the time of purchase. Please retain your proof of purchase for warranty claims.
For technical support, service, or warranty inquiries, please contact your retailer or the official Vonyx support channels. Refer to the product packaging or the Vonyx weblloc per obtenir informació de contacte.
Do not attempt to repair the unit yourself, as this may void your warranty and could result in electrical shock or damage to the device.