The production cost for sound amplifier comprises many aspects, such as labor cost, debugging and maintenance expenses of machines, raw material cost, electricity and power expenses, other direct expenses such as bonuses and performance. Normally, some charges like management fees, financial expenses, and sales charges are excluded from the production cost though they occupy a small ratio to the cost. The production cost, in fact, reflects the consumption of raw material, productivity, advance level of techniques, which should be well controlled throughout the production.

Guangzhou KAIXU Audio Equipment Co., Ltd, who started with high-end digital amplifier, has laid a solid foundation for quality. Various in styles, 's professional amplifier can meet the needs of different customers. Designed with pa speaker amp, the best amplifier can be suitable for pa speaker amp. Featuring small total harmonic distortion, it causes no harm for users. music amplifier is made from superior materials. It has good sealing property, heat resistance and explosion-proof. It is a safe and reliable product that is deeply favored by customers.

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