Durability | Tone board can adjust the total volume high voice low voice suitable for effect board and high end stone machine with attenuated passive tone |
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Board | Only change treble and bass without affecting the original tone quality |
Timbre | Three way adjustment |
Type | treble bass total |
Volume | No power supply the heating stage front stage tuning board |
3 Way Adjustment Type Passive Tuning, Volume Control Regulator, No Power Supply for Effect Board High-End Stone Machine Review
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