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Description
boss pedal expression Mission Engineering SP1-RB Switching Expression Pedal for Roland/Boss BlackThe 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 expression
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 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, and GA-FC footswitch. The switch output may be left unconnected if this function is not required.
Dimensions: 10″ x 4″ x 3″
Weight: 3.2lb
Potentiometer: 10K Ohm Linear TRS
Switch: Momentary TS
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4.2 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 5
Sturdy, Natural Option for Everyday Kitchen Prep
Color: Carbonized Bamboo(Brown), Color: Carbonized Bamboo(Brown)
I was pleasantly surprised by these. They have a clean, natural wood smell and feel pretty durable. On the first couple uses, they were slightly rough and the edges felt a bit sharp, but that improved noticeably after a few washes. Now they feel much smoother. The size variety is a big plus—I’ve been able to use them for multiple purposes like prepping vegetables, fruits, and even meats. Overall, a solid value for the price, especially if you’re trying to replace plastic items with something more natural.
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Reviewed in the United States on March 20, 2026
★★★★★ 5
Beautiful
Color: Carbonized Bamboo(Brown)
Great addition to my kitchen
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Bamboo
Color: Carbonized Bamboo(Brown)
Nice, quality set of cutting boards.
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Reviewed in the United States on April 15, 2026
★★★★★ 5
Great size options and value
Color: Carbonized Bamboo(Brown)
These are perfect weight and sizes ! Easy to clean and esthetically pleasing ! Love that they have the holder for organization! Very well made and sturdy and a great value!
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Reviewed in the United States on March 24, 2026
★★★★★ 5
Very nice.
Color: Carbonized Bamboo(Brown)
Look great,we will see how long they last.
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Reviewed in the United States on April 29, 2026