QB-1 Spruce made cube base load capacity: 50kg (4 pieces) is a cube-based 34mm angle of spruce material to be used for a violin. Place under a speaker, amplifier, etc. and the sound quality improvement. Since the specific gravity is lighter and 0.4 sound will also be nimble sound. When combined in case the speaker sound of stiff like is effective.
Trustpilot
5 days ago
2 weeks ago
