Boss TU-30 Tuner & Metronome Guitar Amp XL Nickel bass strings are

XL Nickel bass strings are made with a high carbon steel core and wound with nickel-plated steel wrap wire

Taper  : Medium

premium nickel-plated steel wrap wire

The stereo in/out jacks can be used with stereo effects and amplifiers

Perfect as a "boost" pedal for solos

Boss TU-30 Tuner & Metronome Guitar Amp XL Nickel bass strings areTHE ESSENTIAL PRACTICE COMPANION For years, the TU 80 Tuner & Metronome has been an essential tool for musicians and music educators everywhere. With the TU 30, BOSS delivers the TU 80's main features in an even more compact size. All the basics are carried over, including Accu Pitch, multiple tuning modes and rhythm patterns, the ability to sound reference pitches, and more. Combining trusted BOSS tuning with a versatile metronome, the TU 30 is a