The MB112 is one of Funktion-One’s most compact bass enclosures.  It provides great bass extension to the F55 and F81 loudspeakers in applications such as bars, restaurants and home studios.  It comprises a single 12" loudspeaker handling 250 Watts and averaging an impressive 104dB sensitivity between 60Hz and 160Hz.  There is also a self powered version available which elegantly solves the issue of a mono-sum, crossover and amplification set up.