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Description
boss expression pedal Mission Engineering SP1-RB Switching Expression Pedal for Roland/Boss – Chicago Music ExchangeThe 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 13 reviews
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Product Reviews
★★★★★ 5
Fits really well. Materials appear sturdy.
Size: 36mm
Fits my 05 Z4 prefect. Materials seem sturdy. Will probably last longer than the car.
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Reviewed in the United States on November 19, 2025
★★★★★ 5
A great socket.
Size: 27mm
Got it for a bmw oil filter housing. It does its job great.
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Reviewed in the United States on February 4, 2024
★★★★★ 5
Gets Job Done. Good Price.
Size: 36mm
I used this to take the large bolt off the triple tree clamp on my motorcycle. For this purpose it worked great. I doubt I'll need to do this often and I'm unlikely to ever own the vehicles who's oil filter it fits but glad I bought it. If you need a 36mm bolt undone and have a 3/8th drive wratchet this is an economical way to get it done.
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Reviewed in the United States on October 29, 2017
★★★★★ 4
A good product for a good price.
Size: 36mm
it was the right size, what more could I ask for and no profile that's the bomb.
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Reviewed in the United States on January 18, 2018
★★★★★ 5
High quality
Size: 36mm
Perfect fit for my 2008 Audi TT oil filter cap. FYI, don't bother removing the plug in the cap if it is stripped. Mine was stripped by Audi mechanics and I thought it held the cap in place. It does not. I tried to loosen it with a chisel and broke the cap. An expensive, rookie mistake.
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Reviewed in the United States on December 3, 2023