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["山亭村数字示范村项目询价二：村部广场音响"]
["序号","名称","主要参数"," 数量","单位","单价","总价","备注"]
[1,"音箱","技术参数 kx80频率响应（-10dB）55 Hz - 20 kHz\n标称指向性（-6dB）\n80（H） X 50（V）度\n最大声压级 127 dB\n额定输入功率（RMS）\n 1210  Passive：200W\n 单元结构 \n 低通：1 x 12” 锥盆扬声器高通：1 x 1.7” 振膜压缩驱动器\n 标称阻抗： 8 欧姆  (passive)\n物理数据 \n \n 颜色： 黑色 耐磨涂层\n 钢质面网",1,"对",null,null,"落地式音箱"]
[2,"功放","技术参数：\n型号                           TE2300\n输出功率（8Ω)         2x250W\n输出功率（4Ω)      2x450W\n拼接方式（8Ω)     2x600W\n输入灵敏度                1V\n输入阻抗                    20KΩ\n频率响应                    20Hz-20KHz\n总谐波失真                0.01%\n转换速度                   20V/usec\n信噪比                       99dB\n阻尼系数                   >200\n散热方式                   High/Low Automatism Corlrol\n保护方式                   DC Safoguard/Out  Over Loading/Chancroid",1,"台"]
[3,"话筒","二个手持",1,"对",null,null,"无线"]
[4,"前置","专业级 24 BIT 数码变调，数模转换电路；音乐、混响采用 DSP 处理，人声更加丰富清晰。\n\n     4 种专业 DSP 卡拉 OK 演唱效果。\n\n     2 种预设 DSP 音乐效果。\n\n     循环数字编码音量控制器。\n\n     开机复位功能，用户可自行设定每次开机音乐、麦克风的音量状态。\n\n     音乐、麦克风、超低音最大输出锁定功能。\n\n     数字控制高低音增益。立体声 24BIT 数码音乐变调，唱完每一首歌后，音调自动复位。\n\n     各模式参数具备关机记忆功能。",1,"台",null,null,"U盘可插、手机可联"]
[5,"U盘","32G",1,"个"]
[6,"音频线","高纯度无氧铜",50,"米"]
[7,"机架（推拉式）","钢化玻璃铁皮柜1.2M",1,"台"]
["合计"]

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