四段校音拾音器（FND校音）
| 型号 | AS-4T | 产品类别 | 拾音器 |
| 材质 | 环保 | 包装 | 全套 |
| 规格 | 说明 |
| as-4t | |||||
| function:4band eq & fnd tuner | |||||
| control range: | |||||
| bass: ±12db at 80hz | |||||
| middle: ±12db at 800hz | |||||
| treble: ±12db at 3khz | |||||
| presence: ±12db at 15khz | |||||
| tuner function: | |||||
| auto (chromatic tuning or guitar tuning) | |||||
| automatic low battery check led | |||||
| battery:9v alkaline battery | |||||
| dimension: 95.5mmⅹ46mm | |||||
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