1. Firstly, consider the quality of power amplifier before buying. It should be superior in quality and should be highly durable that can last for a long period of time.
2. Another thing that you should consider is the price of the amplifier. Always go for cost efficient amplifier that provides great value for money.
3. Make sure that you buy power amplifier of a good and reputed brand as it ensures high quality and durability.
4. See to it that you buy power amplifier that has good warranty and guarantee.
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