1. Introducció
This manual provides comprehensive instructions for the setup, operation, maintenance, and troubleshooting of your Behringer XENYX X1204USB Premium 12-Input 2/2-Bus Mixer. The XENYX X1204USB is a professional-grade audio mixer designed for versatile sound production, featuring XENYX mic preamps, "British" style EQ, one-knob compressors, and an integrated USB audio interface for seamless computer connectivity. Please read this manual thoroughly before operating the device to ensure optimal performance and longevity.

Figura 1.1: The Behringer XENYX X1204USB mixer, shown with its included carrying bag and XLR cable. This bundle provides essential components for immediate use.
2. Característiques clau
The Behringer XENYX X1204USB mixer is equipped with a range of features designed for high-quality audio mixing and recording:
- Qualitat de so superior: Features XENYX mic preamps for pristine audio, offering a dynamic range and low noise suitable for professional recordings and live performances.
- Versatile Input Channels: Includes 4 XLR mic inputs and 6 line inputs, accommodating a wide array of audio sources such as microphones, instruments, and other audio devices.
- Control d'EQ precís: Each channel is equipped with a 3-band EQ, allowing for detailed adjustments and tonal shaping to achieve a balanced and clear mix.
- Integrated USB Interface: Provides seamless audio recording and playback capabilities via a built-in USB interface, compatible with Mac, Windows, and Linux operating systems. Ideal for home studios and digital audio workstations.
- Compressors d'un sol botó: Four innovative, easy-to-use one-knob compressors offer ultimate control over the dynamics of your sound, ensuring a clear and balanced output.
- Aux Sends and Returns: Each mono channel features two aux sends for individual channel routing to stage monitors or external effects, complemented by two stereo aux returns for expanded connectivity.
- Accessoris inclosos: Comes bundled with a rack mount kit, EnergyXT2.5 software, a mixer bag, and a 25' XLR cable, providing everything needed for immediate setup and use.

Figura 2.1: Un detallat view of the Behringer XENYX X1204USB mixer's control surface, highlighting the various knobs, faders, and input/output sections.
3. Guia de configuració
Follow these steps to set up your Behringer XENYX X1204USB mixer:
- Desembalatge: Carefully remove all components from the packaging. Verify that all items listed in the "Included" section are present.
- Col·locació: Place the mixer on a stable, flat surface. Ensure adequate ventilation around the unit. If using the rack mount kit, follow the instructions provided with the kit for secure installation.
- Connexió d'alimentació: Connect the supplied power adapter to the mixer's power input and then to a suitable AC power outlet. Ensure the mixer's power switch is in the OFF position before connecting.
- Connexions d'entrada:
- For microphones, use XLR cables to connect to the MIC IN jacks (Channels 1-4).
- For line-level instruments or devices, use 1/4" TRS or TS cables to connect to the LINE IN jacks (Channels 1-12).
- For stereo sources, use the dedicated stereo line inputs (Channels 5/6, 7/8, 9/10, 11/12).
- Connexions de sortida:
- Connecteu els altaveus principals o ampmés viu al PRINCIPAL (XLR or 1/4" TRS) jacks.
- For monitoring, connect headphones to the TELÈFONS jack.
- Utilitzar AUX SEND i ENVIAR FX for external effects processors or stagi monitors.
- Connexió USB: Connect the mixer to your computer using a USB cable. The mixer will function as an audio interface, allowing for recording and playback. Install any necessary drivers or software (e.g., EnergyXT2.5) as prompted by your operating system or Behringer's weblloc.
- Encesa inicial: Once all connections are secure, switch the mixer's power to the ON position.

Figura 3.1: Un angle view of the mixer, illustrating the various input and output ports on the top and rear panels, crucial for proper setup.
4. Instruccions de funcionament
This section outlines the basic operation of your XENYX X1204USB mixer.
4.1. Control de canals
- Control de guany: Ajusteu el GUANYA knob at the top of each channel strip to set the input level. Aim for the signal to peak around 0 dB on the level meters without clipping.
- Compressor: For channels 1-4, use the COMP knob to apply compression. Turn clockwise to increase the compression effect, which helps to smooth out dynamic range.
- Equalitzador (EQ): Utilitza el ALTA, MITJANS, i BAIXA knobs to shape the tone of each channel.
- Enviaments auxiliars: El AUX 1 i AUX 2/FX knobs control the amount of signal sent to the auxiliary outputs, useful for monitor mixes or external effects.
- Panoràmica/Equilibri: El PAN (mono channels) or BAL (stereo channels) knob positions the channel's signal within the stereo field.
- Mute/Alt 3-4: El MUT button silences the channel. When engaged, the signal can be routed to the ALT 3-4 bus instead of the main mix.
- Solo/PFL: El SOLO button allows you to monitor the channel's signal independently through headphones or the control room output without affecting the main mix.
- Fader del canal: Adjust the vertical fader to control the overall volume of the channel in the main mix.
4.2. Main Mix Control
- Main Mix Faders: El MIXLE PRINCIPAL faders control the overall output volume of the stereo main mix.
- Mesuradors de nivell: Monitor the output level using the LED meters. Adjust main mix faders to keep levels in the optimal range, avoiding clipping (red LEDs).
- Telèfons/Sala de control: Utilitza el PHONES/CTRL RM knob to adjust the volume for headphones and control room monitors.
- USB Routing: The USB interface allows for sending the main mix to your computer for recording, and playing back audio from your computer through the mixer. Refer to your computer's audio settings and the mixer's specific USB routing options.

Figura 4.1: A close-up of the mixer's fader section and main output controls, illustrating the tactile interface for adjusting channel and master volumes.
5. Manteniment
Proper maintenance ensures the longevity and optimal performance of your Behringer XENYX X1204USB mixer.
- Neteja:
- Desconnecteu sempre l'alimentació abans de netejar.
- Feu servir un drap suau, sec i sense borrissol per netejar les superfícies exteriors.
- Per a la brutícia persistent, una mica deamp cloth with mild soap can be used, followed by a dry cloth. Avoid abrasive cleaners, solvents, or waxes.
- Use a soft brush or compressed air to clean dust from faders, knobs, and ventilation grilles.
- Emmagatzematge:
- When not in use, store the mixer in a cool, dry place away from direct sunlight, extreme temperatures, and high humidity.
- Protect the mixer from dust and spills, ideally by using the included mixer bag or a dust cover.
- Gestió de cables: Ensure all cables are neatly organized and not under strain. Avoid sharp bends or kinks in cables, especially the power cord.
- Ventilació: Do not block the ventilation openings. Ensure proper airflow to prevent overheating.

Figura 5.1: The included mixer bag, designed to protect the Behringer XENYX X1204USB from dust and physical damage during storage and transport.
6. Solució De Problemes
This section provides solutions to common issues you might encounter with your Behringer XENYX X1204USB mixer.
| Problema | Causa possible | Solució |
|---|---|---|
| No sound output from main mix. |
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| No signal from a specific input channel. |
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| Hum or noise in the audio. |
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| USB audio not recognized by computer. |
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Figura 6.1: The 25-foot XLR cable, a common component in audio setups, which should be checked for integrity during troubleshooting.
7. Especificacions tècniques
Below are the key technical specifications for the Behringer XENYX X1204USB mixer:
| Característica | Detall |
|---|---|
| Marca | Behringer |
| Model | XENYX X1204USB |
| Nombre de canals | 12 |
| Pes de l'article | 14.47 lliures (6.56 kg) |
| Dimensions del producte (L x A x A) | 15.5 x 14 x 5.9 polzades (39.37 x 35.56 x 14.99 cm) |
| Font d'alimentació | Elèctric amb cable |
| Tecnologia de connectivitat | Auxiliar, USB |
| Mic Preamps | XENYX Mic Preamps |
| Compressors | 4 One-Knob Compressors |
| EQ | "British" style 3-band EQ on each channel |
| Interfície USB | Bi-directional audio transfer, Mac/Windows/Linux compatible |
8. Garantia i Suport
Behringer products are manufactured to high quality standards. For detailed information regarding the warranty period and terms for your XENYX X1204USB mixer, please refer to the warranty card included with your product or visit the official Behringer weblloc.
For technical support, service, or to download the latest drivers and software, please visit the Behringer support page: www.behringer.com/support.
When contacting support, please have your product model (X1204USB) and serial number ready.





