Poly-Planar ME70BT Bluetooth Amplifier With Controller. International Customers: All electronic products are packaged for sale in the US with US voltage. This item is brand-new, factory sealed. ME70BT IPX6 4-Channel Marine Amplifier Features. 4×45 Audio power out. 100 Meter Bluetooth range. Multiple EQ preset options. Backlit 3 line display with adjustable illumination. Opened items must be in re-sellable condition including original packaging and all accessories. Read our full policy. We focus on making purchasing online a pleasant experience. Our sales office is located in beautiful town of Redondo Beach, California, just a few miles South of Los Angeles International Airport. We do not stock any inventory at our sales office. Why are our prices so low? We have modeled our business much like a wholesaler. We sell in huge volume and have streamlined our operations to provide you with the best combination of price and service available anywhere.