Maybe you are a 300w speaker purchasing manager, who are looking for high quality 300w speaker, and Guangzhou 7-sword Electronics Co.,Ltd. are a professional manufacturer & supplier that can meet your needs. Not only 300w speaker we produced have certificated the international industry standard, but we can also meet your customization needs. We provide online, timely service and you can get professional guidance on 300w speaker. Don't hesitate to get in touch with us if you are interested in 300w speaker, we won't let you down.