MXR Bass Chorus Bundle PS A1 RB@+*Bundle offer comprising*, MXR M 83 Bass Chorus Deluxe, Effects Unit for Electric Bass, Chorus/Flanger, Analog delay line circuit, Internal stereo switch, X-over function leaves frequencies up to 100 Hz unmodulated, Controller for bass, treble, intensity, rate and width, Pressure switch for X-over function and flanger, Robust footswitch, True bypass, Three status LEDs, 6.3 mm jack inputs and output, Runs on 9 V battery or the optionally available AC adapter Article Nr #409939#, Rockboard Pedalsafe Type A1 Rockboard, Protective Cover, Suitable for Electro Harmonix Nano series and MXR effect pedals with standard housing with 1 input and 1 output jack, Suitable for most effect pedals with housing dimensions of approx. 110 x 60 x 32 mm, With base plate for mounting on Rockboard pedalboards with click system, Distance of QuickMount mounting holes (W x D): 51 x 102 mm, Protects effect pedals from dirt and weather influences, Protects settings from unintentional adjustment, Mounts effect pedals securely on RockBoard pedalboards, No permanent modifications required, Includes QuickMount pedal mounting plate type A for RockBoard pedalboards and spare screws