Upgrade options are available at checkout. WE FOLLOW STRICT MAP (MINIMUM ADVERTISED PRICING). DON’T BE FOOLED BY OTHER LISTINGS OFFERING ON OFF, OPEN BOX OR NO SERVICE. WE STAND BEHIND WHAT WE SELL. WE MAY NOT BE THE CHEAPEST, BUT WE’RE THE BEST! The price shown is the minimum advertised price we allowed to show. Make us an offer! Rear PA and external speaker jacks. UPS 2nd Day Air. UPS Next Day Air Saver. ? Purchasing Multiple Items. For the best experience, add all items to your cart first. ? Address & Transit Time Notes. Address Accuracy: Please ensure your address is correct. If our system cannot validate it, we will contact you. UPS Ground cannot deliver to PO Boxes. This will appear during checkout. Your satisfaction is important to us. Proven Reputation: Thousands of positive feedbacks. Integrity First: We operate by the Golden Rule-every customer is treated the way we’d want to be treated. Used Items: Guaranteed working (No DOA). For more information or technical consulting, simply search online for Bigham Wireless.