The B410HLF bass speaker cabinet delivers classic Ampeg tone through 4 - 10" Ampeg drivers. A 1" horn handles the highs, with a 3-position attenuator controlling the mix. Nickel corners protect the Ampeg bass speaker against damage. Casters and spring-loaded handles make it a breeze to move around. 400W peak power handling. Front, shelf-style port expands the low-frequency response..