Bumblebee Bb-D2 is a state-of-the-art direct box for recording studios and stage. Its main features are the discrete op-amp topology and a premium grade LSK389 Dual Jfet input stage. Moreover, the kit includes our own custom designed toroidal output transformer to balance the output. The DI circuitry incorporates the electronic ground lift for breaking the ground loops on long cable runs. You can have the Bb-D2 Discrete Op-Amp Direct Box either as a full DIY kit or an assembled unit.