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International phonetic standard pronunciation teaching instrument phonetic pronunciation teaching board primary and secondary school English phonetic pronunciation teaching board
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About the product
Characteristic
- Item No.
35682
- Brand
Neutral
Description
国际音标发音仪主要技术参数
●尺 寸：≥580*400*30mm
● 26个英文字母，48个国际音标及对应例词的标准发音
● LED屏幕显示，教学直观、形象
● 配有提手及底座，方便悬挂和站立
● 频响：30～16KHZ
● 信噪比:≥65dB
● 谐波失真：≤2%
● 转出功率：20W
● 输出阻抗：4Ω
● 喇叭功率：16W
● 电源：110～250VAC，50±2HZ
● 语音存贮器64M
●LED点阵：32*16
Characters
Properties
- Item No.
35682
- Brand
Neutral
Description
国际音标发音仪主要技术参数
●尺 寸：≥580*400*30mm
● 26个英文字母，48个国际音标及对应例词的标准发音
● LED屏幕显示，教学直观、形象
● 配有提手及底座，方便悬挂和站立
● 频响：30～16KHZ
● 信噪比:≥65dB
● 谐波失真：≤2%
● 转出功率：20W
● 输出阻抗：4Ω
● 喇叭功率：16W
● 电源：110～250VAC，50±2HZ
● 语音存贮器64M
●LED点阵：32*16