What's the Nissan np300 speaker size?

The Nissan np300 has a speaker size of 6 inches fortwo speakers located in the rear door frames. The front two speakers are a size of 6 and 1/2 inches in diameter each. If the speakers are no longer functioning, the first thing You should check is the wiring for any damage or loose connections. If it needs to be replaced, it will cost between $12 and $43 for new wires and parts. If the speakers themselves are faulty, You will need to replace each one that is malfunctioning. This will cost You between $50 and $240 depending on brand and place of purchase.