1. Introducció
The FX AUDIO 502A PRO is a high-fidelity 2.0 channel digital power amplifier designed for desktop audio systems. Featuring the TPA3116 chip, it delivers 50W per channel, providing clear and powerful sound for passive speakers. Its compact aluminum casing and simple interface make it an ideal choice for enhancing your audio experience.
2. Informació de seguretat
- Assegureu-vos el amplifier is connected to a power source within the specified voltagrang e (DC 12-24V).
- No exposeu la unitat a l'aigua, la humitat ni a temperatures extremes.
- Eviteu col·locar el amplifier in direct sunlight or near heat sources.
- No obriu la c.asing; no hi ha peces a l'interior que l'usuari pugui reparar. Demaneu totes les tasques de manteniment a personal qualificat.
- Assegureu-vos una ventilació adequada al voltant amplificador per evitar el sobreescalfament.
- Apagueu sempre el amplifier and disconnect the power adapter before making any connections or disconnections.
3. Contingut del paquet
Si us plau, comproveu el paquet per veure si hi ha els elements següents:
- FX 502A PRO AmpUnitat lificadora
- Adaptador d'alimentació 24V4A
- Power Input Line (AC cable for the adapter)
4. Producte acabatview
4.1 Tauler frontal
- Interruptor d'alimentació: Activa o desactiva ampactivador/desactivat.
- Pom de volum: Ajusta el volum de sortida.
4.2 Panell posterior
- Entrada d'àudio (RCA L/R): Connect your audio source (e.g., phone, tablet, laptop, PC, DVD, MP3 player, TV) using RCA cables.
- Audio Output (Speaker Terminals): Connect your passive speakers to these terminals. Ensure correct polarity (+ to + and - to -).
- Power Input (DC 12-26V): Connecteu aquí l'adaptador de corrent proporcionat.
4.3 Components interns
El amplifier utilizes key components for its performance:
- TPA3116D2: High-performance Class D amplifier chip.
- NE5532P: Low-noise operational ampmés viu.
5. Configuració
- Connectar els altaveus: Connect your passive speakers to the 'Audio Output' terminals on the rear panel. Ensure the positive (+) terminal of the amplifier connects to the positive terminal of the speaker, and the negative (-) terminal connects to the negative terminal.
- Connecta la font d'àudio: Connect your audio source (e.g., PC, smartphone, CD player) to the 'Audio Input' RCA jacks on the rear panel using appropriate RCA cables. Match the Left (L) and Right (R) channels.
- Connectar l'alimentació: Plug the provided 24V4A power adapter into the 'Power Input' jack (DC 12-26V) on the rear panel. Then, connect the power input line (AC cable) to the power adapter and plug it into a wall outlet.
- Encès: Flip the power switch on the front panel to the 'ON' position. The ampLifier ja està llest per al seu ús.
6. Instruccions de funcionament
- Control de volum: Rotate the volume knob on the front panel clockwise to increase the volume and counter-clockwise to decrease it. Start with a low volume setting before playing audio.
- Reproducció d'àudio: Begin playing audio from your connected source device. Adjust the volume on both your source device and the amplifier to achieve your desired listening level.
- Apagar: When not in use, flip the power switch on the front panel to the 'OFF' position. For extended periods of non-use, it is recommended to unplug the power adapter from the wall outlet.
7. Manteniment
- Clean the unit with a soft, dry cloth. Do not use liquid cleaners or solvents.
- Mantenir el amplifier free from dust and debris.
- Ensure adequate airflow around the unit to prevent dust buildup and overheating.
8. Solució De Problemes
- Sense so:
- Comproveu si el ampel lifier està encès.
- Verify all cables (audio input, speaker output, power) are securely connected.
- Ensure the volume is not set to minimum on both the amplificador i la font d'àudio.
- Confirm the audio source is playing and its output is enabled.
- Check speaker connections for correct polarity and secure contact.
- So distorsionat:
- Redueix el volum en tots dos amplificador i la font d'àudio.
- Check if the audio cables are damaged or improperly connected.
- Ensure your speakers are within the recommended impedance range (4-8 ohms).
- Sobreescalfament de la unitat:
- Assegureu-vos el amplifier has sufficient ventilation and is not placed in an enclosed space.
- Reduce the volume if playing at very high levels for extended periods.
9. Especificacions
| Característica | Especificació |
|---|---|
| Potència de sortida | 50W (4ohm), 25W (8ohm) |
| Eficiència | 81% (50W/4ohm), 88% (25W/8ohm) |
| Interval dinàmic | 100 dB |
| Material | Alumini |
| Senyal d'entrada | Entrada de senyal RCA |
| Sortida de senyal | 4-line signal output (Speaker terminals) |
| Font d'alimentació | DC 12-24V (50W above recommended) |
| Power Jack Dimensions | External diameter 5.5mm (negative), Inner diameter 2.1mm (positive) |
| Placa de circuits | 1.6mm thickness, Full glass fiber |
| Potència total | 2 x 50W |
| SNR (ràtio senyal/soroll) | 78 dB |
| THD (distorsió harmònica total) | 0.1% |
| Resposta de freqüència | 20~20K(Hz) |
| Impedància | 4-8 ohms |
| Canals | 2.0 |
| Interfície | 2xRCA |
| Dimensions (L x A x A) | 14.7 cm x 9.6 cm x 3.8 cm (5.79 polzades x 3.78 polzades x 1.5 polzades) |
10. Consells d'usuari
- Coincidència d'altaveus: For optimal sound quality and to prevent damage, ensure your passive speakers have an impedance rating between 4 and 8 ohms.
- Qualitat del cable: Using high-quality audio RCA cables and speaker wires can significantly improve sound clarity and reduce interference.
- Col·locació: Col·loca el amplifier on a stable, flat surface with adequate space around it for proper heat dissipation. Avoid stacking other components directly on top of it.
- Cicle d'alimentació: If you encounter any minor audio glitches, try turning the amplifier off, waiting a few seconds, and then turning it back on.
11. Garantia i Suport
This product comes with a standard manufacturer's warranty. For specific warranty terms and conditions, please refer to the documentation provided at the time of purchase or contact your retailer. For technical support or service inquiries, please reach out to the product manufacturer or your authorized dealer.
