I have the Pioneer Bounty Hunter 202 with all 3 heads. The large heads get a few more inches depth, but was a lil shakey on the pole. It also developed a short in the connector, but I could cover a lot of ground real quick. PinPointing is a lil bit more challenging. I will repeat this story again. I met a guy with a vintage bounty hunter who pulled more coins in 5 minutes than I pull in a hour, at a park I hunt at on a regular basis. He used a bounty hunter even older than mine. He had been doing this for 40 years and had no want to upgrade his machine. I run a high end fisher and was embarrased almost to the point to start bringing the bounty hunter from now on. I learned a lot that day just watching that gentleman, my fisher now fills my pockets much faster. You will find the large coil a great addition and very helpful for covering large areas. You wont need the depth in the park, but out in the less populated areas it will get you the relics. Even though my fisher easily doubles or triples the performance from my BH, it is really too sensitive for coin shooting in the parks. Just dont wrap your coil wires too tight like I did. Good Luck, send pictures of new coil and finds.