Looking for adventure and fun, this Momentum G-Class travel trailer toy hauler by Grand Design will help you find it! From the Rockford Fosgate outside and inside speakers including a 10-inch subwoofer powered by a 300-watt amplifier, the 30 gallon fuel station with an interior and exterior gauge, the full-sized rear ramp door with dovetail rear end and loading lights, plus the mandatory Insulation package you can explore during any season you choose.