Our focus on should be to consolidate and enhance the quality and repair of present products, in the meantime constantly establish new products to meet unique customers' requires for 4 Channel Amplifier Pro Audio, Sound Array Speakers, Outdoor Speaker, Active Speaker,Professional Sound. For further queries or should you have any question regarding our products, please do not hesitate to contact us. The product will supply to all over the world, such as Europe, America, Australia,Angola, Grenada,Netherlands, Algeria.In the future, we promise to keep offer the high quality and more cost-effective products, the more efficient after sales service to our all customers all over the world for the common development and the higher benefit.