looks like a 2WQ with EQ is coming based on this response from the Vandersteen forum next year
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Harald (2/6/15): Hello Richard You have done a lot of wonderful groundwork and research on the integrated subwoofers in Model 7, 5 and Quattro, but it seems nothing has happened with the 2wq for a very very long time. Do you have any plans for updating your subwoofers with trickle down technology or lessons that you have learned from your upscale products. Best regards Harald Nipen
HELLO HARALD, THE RESEARCH ON THE 2WQ HAS TRICKLED UP TO THE QUATRO, 5A CARBON AND SEVEN IN TRUTH. MANY UPGRADES HAVE OCCURRED TO THE 2WQ OVER THE YEARS BUT THE BIGGEST IMPROVEMENTS HAS BEEN USING THE MODEL 5 HIGH-PASS (M5-HP) WITH THE 2WQ. WE ARE WORKING ON ADDING EQ AND THE SWITCH-MODE POWER SUPPLY IN ABOUT ONE YEAR BUT AT A HIGHER PRICE. IN THE QUATRO, 5A CARBON AND SEVEN THIS IS A BIG DEAL BECAUSE THEY ARE ATTACHED TO THE REST OF THE SPEAKER AND NEEDS TO BE ADJUSTABLE AS THE SPEAKER NEEDS TO BE PLACED WHERE IMAGING AND MID AND HIGH FREQUENCIES ARE BALANCED IN THE ROOM. KEEP IN TOUCH WITH YOUR DEALER OR THIS WEB SITE FOR FUTURE DEVELOPMENTS"