Is a two box accessory compatible with the Garrett Master Hunter 7 ADS?

[Trail84Legend]

There is a 5.5 khs two box attachment on ebay, though it has a 4 prong connecter?

My detector has a 5 prong, will this work> on a Master Hunter 7 ADS?

 

[liftloop]

not sure I have the master hunter cx plus with the box loop attachment
if no reply call garret first hand