Introducció
The Memphis Audio MEMBX Bass Expander is a sophisticated digital bass restoration processor designed to enhance the low-end frequency response of your audio system. It effectively restores bass lost during the compression of music, delivering a richer and more dynamic sound experience. This unit features both high and low-level inputs, making it versatile for integration with both factory and aftermarket audio systems. A remote bass control is included for convenient adjustments.
This manual provides detailed instructions for the proper installation, operation, and maintenance of your MEMBX Bass Expander to ensure optimal performance and longevity.
Informació de seguretat
Please read all instructions carefully before installing and operating the MEMBX Bass Expander. Failure to do so may result in damage to the unit, your vehicle, or personal injury.
- Desconnecteu sempre el terminal negatiu de la bateria del vehicle abans de començar qualsevol treball elèctric.
- Assegureu-vos que tot el cablejat estigui correctament aïllat per evitar curtcircuits.
- Mount the unit securely to prevent movement during vehicle operation.
- No exposeu la unitat a la humitat ni a temperatures extremes.
- Consulteu un instal·lador professional d'àudio per a cotxes si no teniu cap dubte sobre alguna part del procés d'instal·lació.
- Aquest producte conté productes químics coneguts per l'estat de Califòrnia per causar càncer i defectes de naixement o altres danys reproductius.
Característiques del producte
The MEMBX Bass Expander is equipped with several key features designed for superior bass restoration and control:
- Digital Bass Restoration Processor: Analyzes and restores low-frequency information that is often lost in compressed audio formats.
- Entrades de nivell alt/baix: Provides flexibility for connecting to various audio sources, including factory head units (high-level) and aftermarket units (low-level RCA).
- Max 9.5V Output: Delivers a strong signal to your amplifier for powerful bass reproduction.
- Variable Q and Frequency Control: Allows precise tuning of the bass response to match your vehicle's acoustics and personal preferences.
- Control remot dels baixos: Enables convenient adjustment of bass levels from the driver's seat.
Configuració i instal·lació
Proper installation is crucial for the optimal performance of your MEMBX Bass Expander. Follow these steps carefully:
1. Muntatge de la unitat
Choose a secure, dry location for mounting the MEMBX, away from direct heat or moisture. Ensure adequate ventilation around the unit. Use the provided mounting hardware to secure the unit firmly.

Figura 1: Part superior inclinada view of the MEMBX Bass Expander, showing the "WIDE" and "SWEEP" controls, power, bass control indicators, and input/output connections.

Figura 2: De dalt a baix view of the MEMBX Bass Expander, highlighting the control knobs and indicator lights.
2. Connexions de cablejat
Refer to the diagram below for proper wiring. All connections should be made with high-quality, appropriately gauged wire.
- Power (REM +12V): Connect to a switched +12V source (e.g., ignition wire).
- Terra (GND): Connecteu-vos a un punt de terra sòlid del xassís.
- Remot (REM): Connecteu-vos a la sortida d'encesa remota de la unitat principal o ampmés viu.
- Input (Balanced Input): Connect your audio source (head unit, line output converter) to these RCA inputs. Use high-level inputs if connecting directly from speaker wires.
- Output (Output): Connect these RCA outputs to the input of your ampmés viu.
- Comandament a distància del tauler: Connect the included remote bass control to this port using the provided cable.

Figura 3: posterior view of the MEMBX Bass Expander, detailing the power, ground, remote, balanced input, output, and dash remote connections.

Figura 4: Angle view of the MEMBX Bass Expander, providing a closer look at the RCA input and output ports.
Instruccions de funcionament
Once installed, the MEMBX Bass Expander can be tuned to achieve your desired bass response.
1. Engegada inicial
After all connections are made and verified, reconnect the vehicle's battery. Turn on your head unit. The power indicator on the MEMBX should illuminate.
2. Adjusting Bass Controls
- Control AMPLI: This knob adjusts the width of the bass restoration. Turning it clockwise increases the range of frequencies affected by the bass expansion.
- Control de SWEEP: This knob adjusts the center frequency of the bass restoration. Turning it clockwise shifts the focus of the bass expansion to higher low frequencies.
- Control remot dels baixos: Use the wired remote to adjust the overall bass output level from your listening position.
Experiment with the WIDE and SWEEP controls to find the optimal bass enhancement for your music and vehicle acoustics. Start with both controls at their minimum settings and gradually increase them while listening to a variety of music.
3. Nivell de sortida
The MEMBX has a maximum output of 9.5V. Ensure your amplifier's input gain is set appropriately to avoid distortion. It is recommended to set the amplifier gain with the MEMBX's output at a moderate level, then use the remote bass control for daily adjustments.
Manteniment
The MEMBX Bass Expander requires minimal maintenance. Follow these guidelines to ensure its longevity:
- Mantingueu la unitat neta i lliure de pols i deixalles. Feu servir un drap suau i sec per netejar-la.
- Ensure all wiring connections remain secure. Periodically check for loose connections.
- Eviteu exposar la unitat a temperatures extremes o a la llum solar directa durant períodes prolongats.
- Do not attempt to open the unit or perform internal repairs. This will void the warranty.

Figura 5: Intern view of the MEMBX Bass Expander's circuit board, showing various electronic components. This view is for informational purposes only; users should not open the unit.
Resolució de problemes
If you experience issues with your MEMBX Bass Expander, consult the following table before contacting support:
| Problema | Causa possible | Solució |
|---|---|---|
| Sense alimentació / La unitat no s'encén |
|
|
| Sense millora de greus |
|
|
| Baix distorsionat |
|
|
Especificacions
Key technical specifications for the Memphis Audio MEMBX Bass Expander:
- Model: MEMBX
- Tipus: Processador digital de restauració de baixos
- Entrades: High-Level, Low-Level (RCA)
- Vol. De sortida màxtage: 9.5 V
- Controls: Variable Q (WIDE), Variable Frequency (SWEEP), Remote Bass Control
- Pes de l'article: Aproximadament 1.9 lliures
- Fabricant: Àudio de Memphis
- Data de primera disponibilitat: 15 de juny de 2018
Garantia i Suport
Memphis Audio products are designed and manufactured to the highest standards. For warranty information and technical support, please refer to the official Memphis Audio weblloc web o contacteu directament amb el servei d'atenció al client. Conserveu el rebut de compra com a comprovant de compra per a reclamacions de garantia.
Per a més ajuda, podeu visitar el Botiga d'àudio de Memphis a Amazon.





