EUROLIVE B1200D-PRO 500W active subwoofer provides the ultimate in low-frequency reproduction and the built-in stereo crossover makes it ideally suited for use with any of our active 2-way loudspeakers. Packed with a powerful 500W class-D amplifier, 15" long-excursion Low-Frequency (LF) transducer and an incredible array of professional features, the B1200DPRO produces extreme levels of low end punch, with the definition and clarity typically reserved for much larger systems.<br><br>Put simply, these cool-running systems are much lighter, making them ultra-easy to transport and set up  and our no-compromise design means you get amazingly-deep, chest-pounding bass that will keep the party going all night long.<br><br>The B1200D-PRO features balanced XLR inputs and outputs, as well as balanced XLR Thru jacks for connecting additional enclosures. A Boost Frequency knob targets a boost frequency between 45 and 90Hz. Flick the Boost switch to give your selected frequency a +10dB boost. The B1200DPRO also has a high cut dial that provides precision control over the upper-corner frequency of the subwoofer’s amplifier.