Vosiner excellent bass amp DSP20000Q professional power amplifier 4000w subwoofer amplifier module

Warranty 2 years warranty for power amplifier products. Our company supports 2 years warranty. Any problem welcomes to contact us freely. Our services team is 18 hours online. We will supply free after-service if any quality or product problem. Must know before buying 1. Full-range speaker [line array speaker, professional speaker]: the power of the power amplifier should be greater than 1.5 times or more; Subwoofer speaker: The power of the amplifier should be more than 2 times or more, because the current of the low frequency speaker is larger than that of the full frequency speaker! FAQ 1. We are 10+ years manufature about professional audio speaker and power amplifier. Our engineers have 10+ years work experience, very professional. 2. We accept OEM or ODM products. If you need to print your logo. We can do it for you. 3. The product is light and suitable for performance and conferences. 4. There is no minimum order quantity limit ,you can choose to order 1pc or 1000000pcs. 5. Products with CE ROHS certification. 6. We accept Paypal, Wester Union, TT bank transfer payments too besides Alipay. So tell us which is more convenient for you. 7. If you are interested in our products or have questions about the price, you can leave your message to get a better price, and we will reply you soon.