Fender 0038566049 Speaker Cable For Guitar Combo Amps, Right Angle, 13 1/2" | Reverb
Amazon.co.jp: kuria-o-baru 70 cm Speaker Cable, G & H Headphone Jack + Crimp Terminals (fasuton Terminal) x2 (or Cable with Shielding for Conditions), Combo Guitar Amplifier for : Musical Instruments
How to make a Cheap DIY Guitar Speaker Cable - YouTube