Features:
Adjustable volume;
Suitable for large-scale stage performances;
Home use;
Enough for rehearsals;

Specifications:
Power supply:power supplied by loudspeaker box, no need of battery;
Installation method:manually clipped in the guitar sound hole;
Output line interface:About 6.5mm mono straight plug;
Length of connecting wire:about 3 meters/9.8ft;
Net weight:about 129g;
Gross weight:about 207g;
Product size:130 X 70 X 14mm/5.12 X 2.76 X 0.55" (L X W X H);
Packing size:137 X 98 X 38mm/5.39 X 3.86 X 1.50" (L X W X H)
Product Attributes:

Weight (lbs.): 0.33 lb