This is a Meinl cajon. It has been modified to allow for amplifier output. It can be used without any problems if you attach a 9v battery. There are noticeable scratches, but they do not affect the performance. The following is quoted from the official website: MEINL Percussion Cajon Woodcraft Professional Cajon WCP100MB [Meinl Percussion Woodcraft] WOODCRAFT PROFESSIONAL SERIES STRING CAJON WCP100MB/ MAKAH-BURL "WOODCRAFT PROFESSIONAL CAJONS" are made using Baltic birch and special steel strings, producing a clear snare and rich bass sound. The 9-ply 12mm thick birch body provides excellent attack and tone, and the strings attached on the left and right sides (4 each) allow for crisp and delicate snare effects, as well as sharp finger rolls and powerful backbeats. In addition, the elegant mahogany and makah-burl finish front plate options and the rounded corners on the top provide maximum comfort when playing. [Specifications/Features] ・Excellent tone produced by 12mm thick body material ・Clear snare sound with special steel strings ・Curved corners for comfortable playing ・Elegant body back print ・Rubber feet to protect the body and the ground contact area ・Body material: Baltic Birch 9-ply (12mm) ・Front plate material: Makah-Burl ・Finish: Satin ・Size: Width 11 3/4" (approx. 30cm) x Height 19 3/4" (approx. 50cm) x Depth 12" (approx. 30.5cm)