1. Introducción
The miniDSP Flex Balanced TRS 2x4 is a versatile digital signal processor designed for a wide range of audio applications. It functions as a compact digital stereo preamplifier, an optimizer for subwoofers, an enhancer for active speakers, and a core component for home theater and recording studio setups. Its flexible design allows for extensive customization and integration into various audio systems.
2. Características principales
- Processor: 32-bit floating-point 400MHz Analog Devices SHARC DSP
- Multi-Core USB Audio processor (XMOS)
- Bluetooth streaming: LDAC/aptX HD/aptX/AAC/SBC
- Audiophile performance: SNR@120dB(A), THD+N @ -110dB (0.0003%)
- White/Black OLED front panel controller with IR control
- Compatible with miniDSP's Device Console
3. Contenido del paquete
Before proceeding with installation, please verify that all items listed below are present in your package.
- miniDSP Flex Balanced TRS 2x4 Unit
- Power Adapter with interchangeable international plugs
- Cable USB
- Mando a distancia
- Manual de usuario (este documento)
4. Producto terminadoview
4.1 Panel frontal
Figura 4.1: Frente view of the miniDSP Flex Balanced TRS 2x4
This image displays the front of the miniDSP Flex unit. It features a prominent rotary encoder for volume control and menu navigation, along with a clear OLED display that shows current volume level, active input, and selected preset.
4.2 Panel trasero
Figura 4.2: Posterior view of the miniDSP Flex Balanced TRS 2x4
This image illustrates the rear panel of the miniDSP Flex, detailing its connectivity options. It includes the DC power input, power switch, USB port for audio and control, S/PDIF coaxial and optical digital inputs, and four balanced TRS outputs, along with two balanced TRS inputs.
Adaptador de corriente 4.3
Figure 4.3: Power Adapter with International Plugs
This image shows the universal power adapter supplied with the miniDSP Flex, complete with various interchangeable plug adapters to ensure compatibility with different regional power outlets.
5. Guía de configuración
5.1 Step 1: Unpacking and Placement
Carefully remove the miniDSP Flex unit and all accessories from the packaging. Place the unit on a stable, flat surface away from direct sunlight, heat sources, and excessive moisture. Ensure adequate ventilation around the unit.
5.2 Paso 2: Conexión de alimentación
Connect the provided power adapter to the "DC 12V" input on the rear panel of the miniDSP Flex. Select the appropriate international plug adapter for your region and attach it to the power adapter. Plug the power adapter into a suitable wall outlet. Do not power on the unit yet.
5.3 Step 3: Audio Connections
Identify the audio sources and destinations for your setup.
Conexiones de entrada
- For digital sources, connect your S/PDIF coaxial or TOSLINK optical cables to the corresponding inputs on the rear panel.
- For analog sources, connect your balanced TRS cables to the "INPUTS 1-2" ports.
- For USB audio from a computer, connect a USB cable from your computer to the "USB Audio & Control" port.
Conexiones de salida
- Conecte sus altavoces amplificados, amplifiers, or other audio destinations to the "OUTPUTS 1-4" using balanced TRS cables.
5.4 Step 4: Initial Power On
Once all connections are secure, flip the "PWR" switch on the rear panel to the ON position. The OLED display on the front panel should illuminate.
6. Instrucciones de funcionamiento
6.1 Controles del panel frontal
Codificador rotatorio
The large rotary knob on the front panel serves multiple functions:
- Gire para ajustar el nivel de volumen maestro.
- Presione para silenciar o reactivar el audio.
- Press and hold to enter the menu system for input selection, preset recall, and other settings.
Pantalla OLED
The OLED display provides real-time information on volume, active input, selected preset, and menu navigation.
6.2 control remoto
The included IR remote control allows for convenient operation from a distance, including volume adjustment, input switching, and preset recall. Refer to the remote's specific button layout for detailed functions.
6.3 Selección de entrada
To change the active audio input, press and hold the rotary encoder to enter the menu, then navigate to "Input Select" and choose your desired source (e.g., USB, S/PDIF, TOSLINK, Analog 1-2).
6.4 Gestión de preajustes
The miniDSP Flex supports multiple user-definable presets. These presets store configurations such as equalization settings, crossover points, and volume levels. Access and recall presets via the front panel menu or remote control.
7. Software Configuration (Device Console)
The full potential of the miniDSP Flex is unlocked through the miniDSP Device Console software, available for download from the official miniDSP websitio.
- Connect the miniDSP Flex to your computer via the USB cable.
- Install the miniDSP Device Console software on your computer.
- Launch the software and connect to your Flex unit.
- The Device Console provides a graphical interface for:
- Parametric Equalization (PEQ)
- Crossover configuration
- Gain adjustments
- Delay and phase alignment
- Input/output routing
- Saving and loading configurations (presets)
For detailed instructions on using the Device Console, please refer to the software's dedicated user guide available on the miniDSP websitio.
8. Mantenimiento
- Limpieza: Utilice un paño suave y seco para limpiar el exterior de la unidad. No utilice limpiadores líquidos ni aerosoles.
- Ventilación: Asegúrese de que las ranuras de ventilación de la unidad no estén bloqueadas para evitar el sobrecalentamiento.
- Actualizaciones de firmware: Periodically check the miniDSP website for firmware updates. Updates can provide new features, performance improvements, or bug fixes. Follow the instructions provided with the firmware update carefully.
9. Solución de problemas
9.1 Sin energía
- Asegúrese de que el adaptador de corriente esté conectado de forma segura a la unidad y al tomacorriente de pared.
- Verify the "PWR" switch on the rear panel is in the ON position.
- Compruebe si el tomacorriente de pared funciona.
9.2 Sin salida de audio
- Verify that the correct input source is selected on the miniDSP Flex.
- Check all audio cable connections (inputs and outputs) for secure fit.
- Ensure the volume level is not muted or set too low.
- Confirm that your connected ampEl amplificador/los altavoces están encendidos y funcionan correctamente.
- Check the routing within the miniDSP Device Console software.
9.3 Audio distorsionado
- Compruebe la ganancia adecuadataging throughout your audio chain to avoid clipping.
- Asegúrese de que todos los cables estén en buenas condiciones y conectados correctamente.
- If using digital inputs, verify the sample rate and bit depth compatibility.
9.4 Unit Not Recognized by Computer (USB)
- Ensure the USB cable is securely connected to both the miniDSP Flex and your computer.
- Pruebe con un puerto USB diferente en su computadora.
- Reinstall the miniDSP Device Console software and any necessary USB drivers.
- Reinicie su computadora.
10. Especificaciones
| Característica | Detalle |
|---|---|
| Procesador | 32-bit floating-point 400MHz Analog Devices SHARC DSP |
| Procesador de audio USB | Multi-Core XMOS |
| Bluetooth | LDAC/aptX HD/aptX/AAC/SBC |
| Relación señal-ruido (SNR) | >120 dB(A) |
| Distorsión armónica total + ruido (THD + N) | <-110dB (0.0003%) |
| Panel frontal | White/Black OLED with IR control |
| Entradas | Balanced TRS (2), S/PDIF Coaxial (1), TOSLINK Optical (1), USB Audio |
| Salidas | Balanced TRS (4) |
| Fuente de alimentación | 12 V CC |
| Compatibilidad | miniDSP Device Console |
11. Información de seguridad
- No exponga la unidad al agua ni a la humedad excesiva.
- No intente abrir la unidad.asing. No hay piezas que el usuario pueda reparar en el interior.
- Utilice únicamente el adaptador de corriente proporcionado.
- Mantenga la unidad alejada de campos magnéticos fuertes.
- Desconecte la energía durante tormentas eléctricas o cuando no se utilice durante períodos prolongados.
