okay this is the pile wall mount waterproof and Bluetooth speaker set these are five and a quarter inches you get two speakers which include an active and a passive speaker they are 240 watt and they have a built in digital amplifier so my husband is going to explain this to you because he knows more about this electronic stuff than I do and I want to make sure and that this is explained correctly so I'm going to turn this over and I know and let me explain these to you my wife showed me these that we got in the mail I was very excited these are very heavy weight durable speakers like she mentioned they're waterproof wives waterproof important why we live in Florida boat they're terrific for a boat because of their being 240 watts which is a lot of power a lot of sound comes out of 240 watts also screened-in porches be able to hang them up and mount them well you would mount those I've