Adjustable Volume 12 Hole Sound Pickup Microphone Wire Amplifier Speaker for Acoustic Guitar With Co

Size ConversionInchesCentimetersPlease according to your own measurements to choose your suitable size. The tags inside the items will show in our Asian (Type) size.nullFeatures:Adjustable volume;Suitable for large-scale stage performances;Home use;Enough for rehearsals;
Specifications:Power supply: power supplied by loudspeaker box, no need of batteryInstallation method: manually clipped in the guitar sound holeOutput line interface: About 6.5mm mono straight plugLength of connecting wire: about 3 meters/9.8ftNet weight: about 129gGross weight: about 207gProduct 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)