S points for popular guitar effector brands will be increased by 10% by using a coupon. Many popular products such as the super classic Polytune series and XV-U2 wireless system are eligible. The campaign period is until December 15th.

■10% UP coupons for target brands in the guitar amplifier category
■Target category: Guitar effectors
■Target brand: MXR、TC ELECTRONIC、Xvive
■Period: Until December 15th
■Coupon code: 2622