OMNITRONIC BOB-10A is an active 10-inch bass-reflex subwoofer for the BOB series. It features a DSP-controlled Class D amplifier with 300 W RMS LF output, DSP presets, Bluetooth control, stereo/mono selection, and separate volume controls for the subwoofer and satellites. The cabinet is constructed from 15 mm MDF and includes four carrying handles, an M20 attachment system, passive convection cooling, and a black metal grille.