1. Introducció
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. Característiques clau
- 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. Contingut del paquet
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
- Control remot
- Manual d'usuari (aquest document)
4. Producte acabatview
4.1 Tauler frontal
Figura 4.1: Frontal 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 Panell posterior
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.
4.3 Adaptador d'alimentació
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. Guia de configuració
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 Step 2: Power Connection
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.
Connexions d'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.
Connexions de sortida
- Connect your powered speakers, 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. Instruccions de funcionament
6.1 Controls del panell frontal
Codificador rotatiu
The large rotary knob on the front panel serves multiple functions:
- Gireu per ajustar el nivell de volum principal.
- Premeu per silenciar/activar l'àudio.
- 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 remot
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 Selecció d'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 Gestió de presets
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 weblloc.
- 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 weblloc.
8. Manteniment
- Neteja: Feu servir un drap suau i sec per netejar l'exterior de la unitat. No utilitzeu netejadors líquids ni aerosols.
- Ventilació: Ensure that the ventilation slots on the unit are not blocked to prevent overheating.
- Actualitzacions 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. Solució De Problemes
9.1 Sense poder
- Ensure the power adapter is securely connected to the unit and the wall outlet.
- Verify the "PWR" switch on the rear panel is in the ON position.
- Comproveu si la presa de corrent de la paret funciona.
9.2 Sense sortida d'àudio
- 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 amplifier/speakers are powered on and functioning correctly.
- Check the routing within the miniDSP Device Console software.
9.3 Àudio distorsionat
- Comproveu si hi ha guanys adequatstaging throughout your audio chain to avoid clipping.
- Assegureu-vos que tots els cables estiguin en bon estat i connectats correctament.
- 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.
- Proveu un port USB diferent a l'ordinador.
- Reinstall the miniDSP Device Console software and any necessary USB drivers.
- Reinicieu l'ordinador.
10. Especificacions
| Característica | Detall |
|---|---|
| Processador | 32-bit floating-point 400MHz Analog Devices SHARC DSP |
| Processador d'àudio USB | Multi-Core XMOS |
| Bluetooth | LDAC/aptX HD/aptX/AAC/SBC |
| Relació senyal/soroll (SNR) | >120 dB(A) |
| Total Harmonic Distortion + Noise (THD + N) | <-110 dB (0.0003%) |
| Panell frontal | White/Black OLED with IR control |
| Entrades | Balanced TRS (2), S/PDIF Coaxial (1), TOSLINK Optical (1), USB Audio |
| Sortides | Balanced TRS (4) |
| Font d'alimentació | 12V DC |
| Compatibilitat | miniDSP Device Console |
11. Informació de seguretat
- No exposeu la unitat a l'aigua ni a una humitat excessiva.
- No intenteu obrir la tapa de la unitat.asing. No hi ha peces que l'usuari pugui reparar a l'interior.
- Utilitzeu només l'adaptador d'alimentació subministrat.
- Mantingueu la unitat allunyada de camps magnètics forts.
- Desconnecteu l'alimentació durant tempestes amb llamps o quan no es faci servir durant períodes prolongats.
