A customer recently (November 2021) asked about the lower price of our 5654w tubes earlier in the year. James summed it up best, so I'll post his answer below for those who are wondering why are tubes cost more than those being sold by others: The earlier lower price was an attempt to regain some market share after we found a plethora of new sellers that were claiming to provide “tested and matched” pairs of 5654W tubes at much lower prices (some of the listings were copied