1. Introducció
Thank you for choosing the Aveek Professional Audio Mixer F-4A. This 4-channel digital mixing console is designed for versatile audio applications, offering features such as USB connectivity, Bluetooth, 48V phantom power, 2-band EQ, and echo/delay effects. It is suitable for recording, live streaming, podcasting, small band performances, and more. This manual provides detailed instructions for setup, operation, and maintenance to ensure optimal performance.

Figure 1: Aveek F-4A Audio Mixer
2. Producte acabatview
2.1 Característiques clau
- Entrada de 4 canals: Two XLR/6.35mm combo inputs for microphones or guitars, and two stereo inputs (6.35mm and RCA) for other audio sources.
- USB-B Interface: Built-in sound card for direct connection to PCs, phones, or tablets for recording and playback.
- Interfície USB-A: Connect a USB stick for MP3 playback or direct recording.
- Connectivitat Bluetooth: Wireless audio streaming from compatible devices with play/pause and track control.
- Alimentació phantom de 48V: Available on XLR inputs 1 and 2 for condenser microphones.
- Efectes d'àudio: Integrated Echo and Delay effects with adjustable parameters.
- EQ de 2 bandes: High and Low frequency equalization for each channel.
- Monitorització d'auriculars: Dedicated 3.5mm headphone jack with volume control for real-time audio monitoring.
2.2 Introducció del panell
Familiarize yourself with the mixer's controls and connections using the diagram below:

Figure 2: Mixer Front and Rear Panel Layout
Controls del panell frontal:
- MIC/LINE 1-2 (+48V PAD): XLR/6.35mm combo input jacks for microphones or line-level instruments. The +48V PAD button activates phantom power for condenser microphones.
- Mando GAIN: Ajusta la sensibilitat d'entrada per a cada canal.
- HIGH/LOW Knobs: 2-band equalizer for adjusting treble and bass frequencies.
- EFF Knob: Controls the amount of effect (Echo/Delay) applied to the channel.
- Indicador PEAK: Lights up when the input signal is too high, indicating potential clipping.
- Control de nivell: Adjusts the output volume of each channel.
- CH 3/4 INPUT: L/R 6.35mm and L/R RCA stereo inputs for line-level devices.
- SORTIDA PRINCIPAL: L/R 6.35mm and L/R RCA stereo outputs for connecting to speakers or ampaixecadors.
- Secció USB: Includes USB-A port, display, mode buttons (MODE, PREV, PLAY/PAUSE, NEXT), DELAY, REPEAT, and MAIN knobs for effects and overall USB/Bluetooth volume.
- TELÈFONS: 3.5mm headphone jack and PHONES volume knob.
- Botó d'encendre: Encén/apaga la unitat.
Connexions del panell posterior:
- CC 5V/1A: Micro USB power input.
- Interruptor d'alimentació: Interruptor d'alimentació principal.
- USB-B Interface: Connects to a computer or mobile device for recording/playback.
3. Configuració
3.1 Connexió d'alimentació
Connect the mixer to a power source using the provided AC Power Adapter and USB to Micro Power Cable. Plug the Micro USB end into the DC 5V/1A port on the rear panel and the USB-A end into the AC adapter, then plug the adapter into a wall outlet. Press the POWER switch on the rear panel to turn on the mixer.

Figura 3: Connexió d'alimentació
3.2 Connexió de dispositius d'àudio
The mixer supports a variety of input and output devices. Refer to the diagram below for common connection methods.

Figure 4: Compatible Devices and Connection Methods
- Micròfons/Instruments: Connect condenser microphones, dynamic microphones, or musical instruments (like guitars) to the MIC/LINE 1-2 XLR/6.35mm combo inputs.
- Dispositius de nivell de línia: Connect electronic organs, CD players, or computers to the CH 3/4 L/R 6.35mm or RCA stereo inputs.
- Dispositius de sortida: Connect active speakers, power amplifiers, or headphones to the MAIN OUT L/R 6.35mm or RCA outputs.
3.3 Using 48V Phantom Power
For condenser microphones, activate the 48V phantom power by pressing the +48V PAD button next to the MIC/LINE 1-2 inputs. A red indicator light will illuminate. Note that only the two XLR input ports (MIC/LINE 1-2) provide 48V phantom power.

Figure 5: Activating 48V Phantom Power
4. Funcionament
4.1 USB-B Connection (PC/Phone Recording & Playback)
The mixer features a built-in sound card via its USB-B interface, allowing direct connection to a computer, phone, or tablet for recording output or playing audio through the mixer.

Figure 6: Connecting to Computer or Phone for Playback or Recording
To connect to a computer, use the provided USB-B Data Transmission Cable. For phone connections, a USB to Phone OTG Adapter (not included) is required.

Figure 7: Computer Connection for Recording

Figure 8: Phone Recording & Playing
4.2 USB-A Connection (USB Stick Playback & Recording)
Insert a USB flash drive into the USB-A port on the mixer. You can play MP3 music directly from the USB stick or record the mixed audio output onto the USB stick.

Figure 9: USB-A Audio Interface for U Disk Playback/Recording
4.3 Connexió sense fil Bluetooth
Activate Bluetooth mode on the mixer by pressing the MODE button in the USB section until 'BT' appears on the display. On your device (phone, tablet, computer), search for and connect to the mixer's Bluetooth signal. You can then stream music wirelessly. Use the play/pause and track switching buttons on the mixer, or control from your device.

Figura 10: Connexió Bluetooth 5.0
4.4 Adjusting EQ and Effects
Each input channel has GAIN, HIGH, LOW, and EFF knobs. Use these to fine-tune your sound:
- GUANY: Adjusts the input level to prevent clipping (monitor the PEAK indicator).
- ALT BAIX: Adjusts the treble and bass frequencies for each channel.
- EFF: Controls the amount of echo or delay applied to the channel.
The overall DELAY and REPEAT for the effects can be adjusted using the dedicated knobs in the USB section.

Figure 11: Adjusting Echo and Delay Functions
4.5 Monitorització amb auriculars
Plug your headphones into the 3.5mm PHONES jack. Use the PHONES volume knob to adjust the monitoring level without affecting the main output volume.

Figura 12: Monitorització amb auriculars
4.6 Vídeo de demostració del producte
Video 1: Aveek Audio 4 Channel Mixer Sound Board Console Demonstration and Effect Display
5. Consells d'usuari
- The Aveek mixer does not support audio transmission to wireless headphones or speakers. Output is only compatible with wired active speakers.
- Bluetooth and USB functions cannot be used simultaneously. Select one mode at a time.
- Always start with all volume knobs at their minimum setting before connecting devices and gradually increase to desired levels to prevent sudden loud noises.
- Monitor the PEAK indicator lights on each channel to avoid signal clipping, which can cause distortion.
6. Solució De Problemes
- Sense sortida de so:
- Check all cable connections (inputs, outputs, power).
- Ensure the mixer is powered on.
- Verify all channel LEVEL knobs and the MAIN volume knob are turned up.
- Check the volume settings on connected input and output devices. - So distorsionat:
- Reduce the GAIN knob for the input channel where distortion occurs.
- Check if the PEAK indicator is lighting up frequently; if so, reduce input gain.
- Ensure connected devices are not outputting a distorted signal. - L'alimentació fantasma no funciona:
- Ensure the +48V PAD button is pressed and its indicator light is on.
- Confirm you are using an XLR connection for the condenser microphone. - Problemes de connexió Bluetooth:
- Ensure the mixer is in Bluetooth mode ('BT' on display).
- Make sure no USB device is connected, as Bluetooth and USB cannot be used simultaneously.
- Check that your device's Bluetooth is enabled and within the 1.5 ft range.
- Try forgetting the device on your phone/tablet and re-pairing. - USB Recording/Playback Issues:
- Ensure the mixer is in the correct USB mode (MP3/BT/USB REC).
- For PC connection, ensure the USB-B cable is securely connected and the computer recognizes the mixer as an audio device.
- For USB stick, ensure it is properly formatted and contains compatible audio files (for playback) or has sufficient space (for recording).
7. Especificacions
| Característica | Detall |
|---|---|
| Nom de marca | Aveek |
| Número de model | AK-71-1 (F-4A) |
| Tipus | Mesclador d'àudio |
| Nombre de canals | 4 |
| Dimensions del producte | 8 "P x 7" W x 2.3" H |
| Pes de l'article | 680 grams (0.68 kg) |
| Tecnologia de connectivitat | USB, Bluetooth |
| Poder fantasma | 48V (on XLR inputs 1-2) |
| Entrada de potència | DC 5V/1A (via Micro USB) |
| Longitud del paquet | 22 cm |
| Amplada del paquet | 19 cm |
| Alçada del paquet | 8 cm |
8. Què hi ha a la caixa
El paquet del producte inclou:
- 1 x Aveek Audio Mixer
- 1 x adaptador de corrent altern
- 1 x USB to Micro Power Cable
- 1 x USB Cable for PC Recording/Playing (59 inch)
- 1 manual d'usuari
9. Garantia i Suport
Aveek offers a 100% Customer Satisfaction Guarantee. For any queries or issues, please contact customer support. We will replace a faulty product or refund your purchase within 45 days of receipt.





