Joyo RD-B2 Pedal Board Viennese Regular Slinky wound strings are

Regular Slinky wound strings are made from nickel plated steel wire wrapped around a hex shaped steel core wire

Mandolin Wind

while offering enhanced projection

Combining a mega-size 8" raw bell with a lathed bow area

Built in Cab Speaker Amp Simulation

Joyo RD-B2 Pedal Board Viennese Regular Slinky wound strings areRD B2 pedal board has a very special hollow design, enable convenient arrangement of wires; what's more, its unique way of fixing power supply by using an additional elastic string, suits any volumes of power supply: from JOYO JP 04, T rex, to huge VoodooLab. All types of power supply can be fixed to the bottom of this pedal board easily with a buckle, without punching holes. Yes, simple as that!