Skip to content

Mission Engineering SP1-RB-BK Switching Expression Pedal for Roland/BOSS, Black

Free 2-Day Shipping

Manufacturer's Description

The SP1-RB can be connected to BOSS products with expression and switch inputs such as the GT1000 Effects Processors, ES and MS Switching Systems, and Katana amplifiers.

The linear pedal output connects to the EXP input and provides precise and natural response with no dead spots.

The SP1-RB expression pedal also has an integrated momentary toe switch that connects to one of the CTL inputs on your BOSS device for switching functions.

The Mission SP1-RB is a 10K TRS expression pedal with a TS momentary toe switch compatible with BOSS controllers, loop switchers, and guitar effects processors.

The expression pedal functions with most Roland and BOSS expression pedal inputs. The toe switch function is supported on products that also have a momentary switch input such as the GT1000 Core, ES-5, and ES-8 and MS-3, Katana amplifiers and GA-FC footswitch. The switch output may be left unconnected if this function is not required.

The Mission EP-1 is recommended for other BOSS products where a toe switch is not required.


  • Pedal dimensions are 10″ x 4″ x 3″
  • Weight is 3.2lb
  • Potentiometer is 10K Ohm Linear TRS
  • Switch is Momentary TS