XR-4001 for professional stage audio electronic crossover subwoofer, audio #am

XR-4001 for professional stage audio electronic crossover subwoofer, audio #am. Important reminder: The price can be purchased directly, If you need to buy products, you can email us or communicate online. We will reply you as soon as possible, we can also trade on ebay. shipping fee +$80.00 .If you need more pictures, or need more quantity, or have other problems. Please contact me