Is this a linear taper pot or audio taper?

Though there is no definitive reference to one or the other in the manual that I’ve seen, my sense is that it’s linear. That would make sense, too, in that the Wah feature and expression pedal feature would require that to be the case as well. As far as features options, appearance, performance, ruggedness and comfort, I’m definitely glad I went this route over buying two separate full-sized Wah and Volume pedals. Much more practical. It’s size is between a small and large sized pedal — the pedal pad grip texture grabs your shoe really well like a larger pedal. Aside from that, you can tweak the Q points on two Wah voices, which is awesome. I’m not mounting it on my actual board, because I prefer the option of positing it on the floor (fits easily into my TempleAudio Duo 24 bag pocket). The paint finish is really cool (metallic indigo blue)

What cable does the expression pedal take? What type of expression pedal does it accept?

Standard patch cable or guitar cable 1/4”

How difficult is changing the battery? And can the expression option be used without power? Thanks!

The hatch for the battery has two screws (you can unscrew them with a coin)… You need power to use the EXP part.

What is up with the "neutral" setting? From toe to heel, the expression values drop but only to half way, and then increase. Is it defective?

we are not sure what happened forthis pedal, We need one video for more details Or u can contact us via amazon message and then we can send another new one soon

Item Weight	500 g
Product Dimensions	8.1 x 16 x 5.1 cm; 500 g
Item model number	SP20
Color Name	wah
Hardware Interface	1/4-inch Audio
Signal Format	Analog
Musical Style	rock
Power Source	Battery Powered
Voltage	9 Volts

HOTONE SP 20

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