Boss Audio MCKGB350W.6 Marine Stereo 6.5" Speaker Kit - Black [MCKGB350B.6] Electrical | Circuit Breakers There are 3 and 4

There are 3 and 4 blade

While many of the parts are similar to today’s Crown Head there are some that are no longer available

Battery-friendly

Aluminum mount has a comfortable hand knob with heavy-duty coarse-thread screw that opens 2"

Attwood's improved Turbo 4000 Series II sets the standard for in-line blower performance

Boss Audio MCKGB350W.6 Marine Stereo 6.5" Speaker Kit - Black [MCKGB350B.6] Electrical | Circuit Breakers There are 3 and 4MCKGB350W. 6 Marine Stereo & 6. 5" Speaker Kit Black This stereo speaker combo package from Boss is a great way to upgrade the audio on your boat, RV or ATV without emptying your wallet. The all weather stereo features built in Bluetooth, so you can stream your favorite tunes without taking your phone out of your pocket. And your music will sound great on the 6 1 2" marine rated speakers. This package also includes a 41" dipole antenna and mounting