守护者33系列琴盒配置了五层拱形结构设计，16毫米勃艮第毛绒填充物，暗藏的内部结构，双缝线以及六个锁存器。
33系列琴盒外形设计有四个型号： dreadnought型、single 0型、000 型和banjo型号。
守护者品牌不断扩充琴盒的多样性，以满足市场上不同乐器型号与风格的需求。守护者目前为包括吉他、贝司、班卓琴、曼陀铃、鼓、风琴、弦乐器等提供近三百种不同的箱包产品。
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