1. Produto rematadoview
The NVX VADM4v2 is a powerful and compact 4-channel Class D amplifier designed for a wide range of applications including car, marine, UTV, and motorcycle audio systems. It delivers robust audio performance with advanced features for optimal sound customization.
Figure 1: NVX VADM4v2 4-Channel Class D Amplifier. This image shows the top-down view da amplifier, highlighting its compact design and NVX branding.
Características principais:
- Potente rendemento: Peak power rating of 800 Watts and RMS power output ranging from 80 watts x 4 channels at 4 ohms to 125 watts x 4 channels at 2 ohms.
- Deseño compacto: Utilizes Micro Class D technology for an extremely compact form factor, measuring just 6.49" L x 3.3" W x 1.48" H.
- Marine Certified Durability: Built with a conformal coated marine-grade circuit board to withstand harsh marine environments.
- Características avanzadas: LED power and protect indicators, 4-way protection circuitry (thermal, overload, speaker short protection, and DC offset), balanced differential inputs, and low-level RCA inputs.
- Versatile Audio Customization: Selectable crossover modes (FULL, HPF, LPF), variable high-pass and low-pass filters (40-400 Hz), and a wide frequency range of 20-20,000 Hz.
Figure 2: The NVX VADM4v2 amplifier is suitable for various applications including cars, trucks, SUVs, motorcycles, UTVs, ATVs, and marine vessels.
2. Información de seguridade
Observe sempre as seguintes precaucións de seguridade durante a instalación e o funcionamento:
- Desconecte a batería do vehículo antes de comezar calquera traballo eléctrico.
- Asegurar a posta a terra adecuada para evitar riscos eléctricos.
- Emprega un cableado do calibre axeitado para as conexións de alimentación e altofalantes.
- Monte o amplifier securely in a well-ventilated area to prevent overheating.
- Evite expor amplifier to extreme temperatures or direct sunlight.
- Non intente abrir nin modificar o amplifier. Refer servicing to qualified personnel.
3. Contido do paquete
Verifica que todos os elementos estean presentes no paquete:
- NVX VADM4v2 4-Channel Class D Ampmáis vivo
- Wiring Harnesses (Power, Speaker, RCA inputs)
- Hardware de montaxe
- Manual de instrucións
Figure 3: Included wiring harnesses and RCA cables for the NVX VADM4v2 amplifier, facilitating easy connection to your audio system.
4. Configuración e instalación
4.1 Montaxe do Ampmáis vivo
Escolla un lugar seguro e ben ventilado para montar o amplifier. Ensure it is protected from direct moisture and excessive heat. Use the provided mounting hardware to secure the ampmáis vivo.
Figura 4: Lateral view of the NVX VADM4v2 amplifier, showing its compact profile suitable for various mounting locations.
4.2 Conexións de cableado
Refer to the wiring diagrams below for proper connections. Ensure all connections are secure and insulated.
Imaxe 5: Primeiro plano view of the power input and speaker output terminals on the NVX VADM4v2 amplifier. Connections include GND (Ground), REM (Remote Turn-On), +12V (Power), and speaker outputs for CH1-CH4.
- Potencia (BATERÍA +12 V): Connect to the positive terminal of the vehicle's battery via an appropriate fuse.
- Terra (GND): Connect to a solid, clean metal point on the vehicle's chassis.
- Acendido remoto (REM): Conéctese á saída remota da unidade principal ou a unha fonte de 12 V con interruptor de ignición.
- Speaker Outputs (CH1-CH4): Connect your speakers to the corresponding channels. Ensure correct polarity and impedance matching (2-4 ohms stable).
- Modo de entrada: Select between 2CH or 4CH input mode based on your head unit's output.
Figure 6: Control panel of the NVX VADM4v2 amplifier, showing gain controls, crossover switches (LPF/HPF/FULL), and input mode selection.
4.3 Conexión do sinal de entrada
The VADM4v2 supports both low-level (RCA) and high-level inputs.
- Entrada de baixo nivel (RCA): Conecta os cables RCA das saídas de preamplificador da unidade principal aos ampentradas RCA do lifier.
- Entrada de alto nivel: If your head unit does not have RCA outputs, use the provided high-level input harnesses to connect directly to your head unit's speaker outputs.
5. Funcionamento do Ampmáis vivo
5.1 Axuste de ganancia
Adjust the GAIN knobs for each channel to match the output voltage of your head unit. Start with the gain at minimum and slowly increase until desired volume is achieved without distortion.
5.2 Axustes de crossover
The VADM4v2 features selectable crossover modes and variable filters:
Figura 7: detallada view of the crossover controls on the NVX VADM4v2 amplifier, including LPF/HPF/FULL switches and variable frequency knobs.
- COMPLETO: Full-range output, no filtering applied.
- HPF (filtro paso alto): Allows frequencies above the set point to pass through. Useful for full-range speakers to prevent distortion from low bass.
- LPF (filtro de paso baixo): Allows frequencies below the set point to pass through. Ideal for subwoofers.
- FREQ (Frequency Knob): Adjusts the cutoff frequency for HPF or LPF modes (40-400 Hz).
6. Mantemento
To ensure longevity and optimal performance of your NVX VADM4v2 ampmáis vivo:
- Manteña o ampManteña o purificador limpo e libre de po e residuos. Use un pano suave e seco para a limpeza.
- Asegurar un fluxo de aire axeitado arredor do amplifier para evitar o sobrequecemento.
- Comprobe regularmente todas as conexións do cableado para comprobar se están ben apertadas e se presentan corrosión.
- Evite expor amplifier to harsh chemicals or solvents.
7 Solución de problemas
| Problema | Causa posible | Solución |
|---|---|---|
| No Power / Protect LED On | Blown fuse, poor power/ground connection, remote wire disconnected. | Check/replace fuse, verify power/ground connections, ensure remote wire is connected and receiving 12V. |
| Sen saída de son | Incorrect input connections, speaker wires disconnected, gain too low. | Verify RCA/high-level inputs, check speaker connections and polarity, adjust gain settings. |
| Son distorsionado | Gain set too high, incorrect crossover settings, speaker impedance mismatch. | Lower gain, adjust crossover filters, ensure speakers match amplifier's impedance rating. |
| Ampsobrequecemento do lificador | Ventilación insuficiente, impedancia demasiado baixa, uso prolongado de volume elevado. | Ensure proper airflow, check speaker impedance, reduce volume or allow cooling. |
8. Especificacións
| Característica | Especificación |
|---|---|
| Número de modelo | VADM4v2 |
| Potencia RMS (4 ohmios) | 80 W x 4 canles |
| Potencia RMS (2 ohmios) | 125 W x 4 canles |
| Potencia máxima | 800 W |
| Número de canles | 4 |
| Resposta en frecuencia | 20 Hz - 20,000 Hz |
| Modos cruzados | FULL / HPF / LPF |
| Variable Filters | 40-400 Hz |
| Dimensións (L x W x H) | 6.49" x 3.3" x 1.48" |
| Voltage | 12 voltios |
| Material | Electronic-Grade Circuit Board Material |
| Características especiais | Marine-grade, 4-way protection circuitry (thermal, overload, speaker short, DC offset) |
Figure 8: The NVX VADM4v2 amplifier is 2-ohm stable, allowing for flexible speaker configurations.
Figure 9: The NVX VADM4v2 features a Pulse Width Modulated (PWM) MOSFET power supply and 4-way protection circuitry for enhanced reliability and performance.
9. Información da garantía
NVX products are designed and manufactured to the highest quality standards. This product is covered by a limited warranty against defects in materials and workmanship. Please refer to the official NVX websitio web ou na documentación da súa compra para coñecer os termos e condicións específicos da garantía.
10. Apoio
For technical assistance, troubleshooting, or warranty inquiries, please contact NVX customer support through the official NVX website or your authorized dealer.
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