Boveda Humidity Control Starter Kit (Size 70 / 49%) Bows Two ways to achieve the

Two ways to achieve the Diezel tone

but they mount on standard acoustic arm mounts

True-Bypass w/LED is standard equipment to preserve tone when the pedal is off

The U 87 Ai is addressed from the front

Boveda Humidity Control Starter Kit (Size 70 / 49%) Bows Two ways to achieve theThe Boveda maintenance free 2 way humidity control for fretted, bowed and wood woodwind instruments, including: acoustic guitars and basses; guitarrns; violoncellos; double basses; bass clarinets; bassoons; and large cases. Boveda creates the perfect humidity balance for your wood instrumentwhatever its surroundings call for. Make any case more protective with Boveda.