1. Introdución
The Kinter MA170 is a compact and efficient 2-channel mini digital audio power amplifier designed for versatile audio applications, including car audio systems or connecting to MP3 players. It delivers clear sound with adjustable bass and treble controls, making it suitable for various listening environments. This manual provides essential information for setting up, operating, and maintaining your MA170 ampmáis vivo.

Figura 1: Fronte view of the Kinter MA170 ampmáis vivo.
2. Que hai na caixa
Ao abrir o paquete, debes atopar os seguintes elementos:
- Kinter MA170 Mini Digital Audio Power Ampmáis vivo
- Manual de instrucións (este documento)
Note: A 12V power supply is required for operation and is sold separately. Connecting cables are also not included.
3. Configuración
Follow these steps to set up your Kinter MA170 ampmáis vivo:
3.1. Conexión de alimentación
The MA170 requires a 12V DC power supply. Ensure the power supply has a 2.1 mm x 5.5 mm DC plug with center positive polarity. Connect the power supply to the DC 12V input port on the rear of the ampmáis vivo.
3.2 Entrada de audio
Connect your audio source (e.g., MP3 player, smartphone, PC, DVD player) to the RCA input jacks (L/R) on the rear of the amplifier. Use appropriate RCA cables for this connection.
3.3. Saída do altofalante
Connect your speakers to the speaker output terminals on the rear of the amplifier. The MA170 supports speakers with an impedance of 4-16 ohms. Ensure correct polarity (positive to positive, negative to negative) for each speaker. The amplifier provides 2 x 18 watts per channel.

Figura 2: Traseira view of the Kinter MA170 amplifier with connection points.

Figure 3: Application Diagram for Kinter MA170.
4. Instrucións de funcionamento
Once all connections are secure, you can begin operating your ampmáis vivo:
4.1. Acendido/apagado
Preme o ENCENDIDO/APAGADO botón no panel frontal para activar o amplifier on or off. The volume knob will illuminate with a colorful LED when the unit is powered on.

Figure 4: Illuminated volume knob on the Kinter MA170.
4.2. Control de volume
Xira o grande VOLUME knob clockwise to increase the audio output level and counter-clockwise to decrease it.
4.3. Axuste de graves
Usa o Bass knob to adjust the low-frequency output. Turn clockwise to boost bass and counter-clockwise to reduce it.
4.4. Axuste de agudos
Usa o TREBLE knob to adjust the high-frequency output. Turn clockwise to boost treble and counter-clockwise to reduce it.
5. Especificacións
Detailed technical specifications for the Kinter MA170 ampmáis vivo:
| Característica | Especificación |
|---|---|
| Potencia de saída | 2 x 18 vatios |
| Impedancia de entrada | 47K ohmios |
| Impedancia de saída | 4 - 16 ohmios |
| Resposta en frecuencia | 20 - 20,000 Hz |
| THD mínimo | ≤0.02 % |
| Vol. De entradatage | 9 - 14.4 V CC |
| Corrente de entrada nominal | 1A - 3A |
| Tamaño do enchufe de CC | 2.1 mm x 5.5 mm |
| DC Input Polarity | Centro positivo |
| Dimensións (L x W x D) | 4-7/8" x 1-5/8" x 4-5/8" |

Figure 5: Kinter MA170 dimensions.
6. Mantemento
To ensure the longevity and optimal performance of your Kinter MA170 amplifer, siga estas pautas de mantemento:
- Manteña o amplifier clean by wiping it with a soft, dry cloth. Avoid using liquid cleaners or solvents.
- Ensure proper ventilation around the unit to prevent overheating. Do not block the heat sink fins.
- Evite expor amplifier to extreme temperatures, direct sunlight, high humidity, or dusty environments.
- Disconnect the power supply when the amplifier is not in use for extended periods.
7 Solución de problemas
If you encounter issues with your Kinter MA170 amplificador, consulte os seguintes pasos comúns de resolución de problemas:
- Sen enerxía: Ensure the 12V DC power supply is correctly connected and functioning. Check the power outlet.
- Sen son: Verify that the audio input cables are securely connected to both the source and the amplifier. Check speaker wire connections for correct polarity and ensure they are firmly inserted into the terminals. Confirm the volume knob is turned up and the audio source is playing.
- Son distorsionado: Reduce o nivel de volume en ambos os dous amplifier and the audio source. Check speaker impedance to ensure it is within the recommended 4-16 ohms range. Inspect speaker wires for any fraying or short circuits.
- Son intermitente: Check all cable connections for looseness. Ensure the power supply is stable and providing consistent voltage.
If the problem persists after attempting these steps, please refer to the support information in the next section.
8. Garantía e soporte
For warranty information or technical support regarding your Kinter MA170 amplifier, please contact Kinter customer service through their official websitio web ou o vendedor ao que lle comprou o produto. Garde o recibo da compra como xustificante da mesma.
An additional user manual in PDF format may be available for download from the product's Amazon page or the Kinter website for further reference: Kinter MA170 User Manual (PDF).



