In addition to unveiling next-generation iPhones, it appears that Apple will also unveil new Beats products at next week’s event, according to an email received from the Beats PR team by iGeneration. Although the announcement merely says “a selection of new Beats by Dre products will be unveiled” without going into specifics, considering that the iPhone 7 is expected to omit the headphone jack in favor of the Lightning port, it seems…