Description from Fiio:<P>
Main feature and function:<o:p></o:p></font></span></b></div></dt>
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<div style="line-height: 19pt;" class="MsoNormal"><span>●Two channel power output, suitable for both of headphone with 3.5 and 6.35mm.</span></div></dt>

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<div style="line-height: 19pt;" class="MsoNormal"><span>●Main power amplifier use the TI corporation‘<span lang="EN-US">s, it with 5uVrms noise,low distortion 0.00014% THD + N;high switching rate, 1300V/uS current-feedback model IC:TPA6120</span></span></div></dt>
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<div style="line-height: 19pt;" class="MsoNormal"><span><span lang="EN-US"></span>●With on/off mute function;usingsealed relays for protecting power amplifier output; using ALPS sealed low noise potentiometer<o:p></o:p></span></div></dt>
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<div style="line-height: 19pt;" class="MsoNormal"><span>●<span style="color: rgb(64, 64, 64);" lang="EN-US">Internal audio buffer amplification BB OPA2134: FET input, with advantages of </span>low noise:8nVsqrHz; low distortion 0.00008%THD; high switching rate:20V/uSand so on<o:p></o:p></span></div></dt>
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<div style="line-height: 19pt;" class="MsoNormal"><span style="" 微软雅黑?,?sans-serif?;="" tahoma?="" mso-bidi-font-family:="" 10.5pt;="" mso-bidi-font-size:="" #404040;="" color:="">●<span lang="EN-US">E7 special base, perfect realization USB connection with audio decoding DAC, also can to E7 charging<o:p></o:p></span></span></div></dt>
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<div style="line-height: 19pt;" class="MsoNormal"><span>●<span lang="EN-US">With LOW ( 10dB ) /RIGH(18dB) gain choice</span><o:p></o:p></span></div></dt>
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<div style="line-height: 19pt;" class="MsoNormal"><span style="" 微软雅黑?,?sans-serif?;="" tahoma?="" mso-bidi-font-family:="" 10.5pt;="" mso-bidi-font-size:="" #404040;="" color:="">●<span lang="EN-US">Two audio output: one is the 3.5mm port of E9 (adjustable output); another one is port of RCA output (fixed/ unadjustable output)<o:p></o:p></span></span></div></dt>
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<div style="line-height: 19pt;" class="MsoNormal"><span>●<span lang="EN-US">Built-in power converter module, high efficiency, high precision and low noise, to meet great needs of </span>dynamic signal processing<o:p></o:p></span></div></dt>
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<div style="line-height: 19pt;" class="MsoNormal"><span>●<span lang="EN-US">LED power indicator light</span><o:p></o:p></span></div></dt>
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<div style="line-height: 19pt;" class="MsoNormal"><span>● With function of output priority of headphone plugging-in, the external output RCA will not work after inserting headphone<o:p></o:p></span></div></dt>
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<div style="line-height: 19pt;" class="MsoNormal"><span style="" 微软雅黑?,?sans-serif?;="" tahoma?="" mso-bidi-font-family:="" 10.5pt;="" mso-bidi-font-size:="" #404040;="" color:="">●<span lang="EN-US">Extensible base<o:p></o:p></span></span></div></dt>
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<div style="line-height: 19pt;" class="MsoNormal"><strong><span style="" 微软雅黑?,?sans-serif?;="" tahoma?="" mso-bidi-font-family:="" 10.5pt;="" mso-bidi-font-size:="" #404040;="" color:="" lang="EN-US">*</span></strong><span style="" font-size:="" 微软雅黑?,?sans-serif?;="" mso-bidi-font-family:="" 0pt?="" mso-font-kerning:="" 宋体;="" 9pt;="" lang="EN-US">The base on the top of E9 can be changed for using a special base of iPod/iPhone , but you need to buy the base of iPod/iPhone separately</span><span style="" font-size:="" 微软雅黑?,?sans-serif?;="" tahoma?="" mso-bidi-font-family:="" #404040;="" color:="" 9pt;="" lang="EN-US"><o:p></o:p></span></div></dt>
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<div style="line-height: 19pt;" class="MsoNormal"><b style=""><span style="" 微软雅黑?,?sans-serif?;="" mso-bidi-font-size:="" color:="" 10.5pt?="" black;="" lang="EN-US">Specification:<o:p></o:p></span></b></div></dt>
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<div style="line-height: 19pt;" class="MsoNormal"><strong><span style="" 微软雅黑?,?sans-serif?;="" tahoma?="" mso-bidi-font-family:="" 10.5pt;="" mso-bidi-font-size:="" #404040;="" color:="">●</span></strong><span style="" 微软雅黑?,?sans-serif?;="" mso-bidi-font-size:="" color:="" 10.5pt?="" black;="" lang="EN-US">Output power: 1W (16</span><span style="" 微软雅黑?,?sans-serif?;="" mso-bidi-font-size:="" color:="" 10.5pt?="" black;="">Ω<span lang="EN-US"> Loaded</span>）；<span lang="EN-US">80mW</span>（<span lang="EN-US">600</span>Ω <span lang="EN-US">Loaded</span>）<span lang="EN-US"><o:p></o:p></span></span></div></dt>

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<div style="line-height: 19pt;" class="MsoNormal"><strong><span style="" 微软雅黑?,?sans-serif?;="" tahoma?="" mso-bidi-font-family:="" 10.5pt;="" mso-bidi-font-size:="" #404040;="" color:="">●</span></strong><span style="" 微软雅黑?,?sans-serif?;="" mso-bidi-font-size:="" color:="" 10.5pt?="" black;="" lang="EN-US">Headphone Impedance Range:16</span><span style="" 10.5pt;="" mso-bidi-font-size:="" color:="" arial?,?sans-serif?;="" 0pt?="" mso-font-kerning:="" 宋体;="" black;="" mso-fareast-font-family:="" lang="EN-US">Ω </span><span style="font-family: 宋体; color: black;">～</span><span style="" 10.5pt;="" mso-bidi-font-size:="" color:="" arial?,?sans-serif?;="" 0pt?="" mso-font-kerning:="" 宋体;="" black;="" mso-fareast-font-family:="" lang="EN-US">600Ω </span><span style="" font-size:="" color:="" arial?,?sans-serif?;="" 0pt?="" mso-font-kerning:="" 宋体;="" 9pt;="" black;="" mso-fareast-font-family:="" lang="EN-US"><o:p></o:p></span></div></dt>
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<div style="line-height: 19pt;" class="MsoNormal"><strong><span style="" 微软雅黑?,?sans-serif?;="" tahoma?="" mso-bidi-font-family:="" 10.5pt;="" mso-bidi-font-size:="" #404040;="" color:="">●</span></strong><span style="" 微软雅黑?,?sans-serif?;="" mso-bidi-font-size:="" color:="" 10.5pt?="" black;="" lang="EN-US">SNR: </span><span style="" 微软雅黑?,?sans-serif?;="" mso-bidi-font-size:="" color:="" 10.5pt?="" black;="">≥<span lang="EN-US">100dB</span>（<span lang="EN-US">A weight</span>）<span lang="EN-US">[LINE IN]<o:p></o:p></span></span></div></dt>

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<div style="line-height: 19pt;" class="MsoNormal"><strong><span style="" 微软雅黑?,?sans-serif?;="" tahoma?="" mso-bidi-font-family:="" 10.5pt;="" mso-bidi-font-size:="" #404040;="" color:="">●</span></strong><span style="" 微软雅黑?,?sans-serif?;="" mso-bidi-font-size:="" color:="" 10.5pt?="" black;="" lang="EN-US">Distortion: <0.003%</span><span style="" 微软雅黑?,?sans-serif?;="" mso-bidi-font-size:="" color:="" 10.5pt?="" black;="">（<span lang="EN-US">100mW</span>）<span lang="EN-US">[LINE IN]<o:p></o:p></span></span></div></dt>
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<div style="line-height: 19pt;" class="MsoNormal"><strong><span style="" 微软雅黑?,?sans-serif?;="" tahoma?="" mso-bidi-font-family:="" 10.5pt;="" mso-bidi-font-size:="" #404040;="" color:="">●</span></strong><span style="" 微软雅黑?,?sans-serif?;="" mso-bidi-font-size:="" color:="" 10.5pt?="" black;="" lang="EN-US">Frequency response: 10Hz~100KHz<o:p></o:p></span></div></dt>
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<div style="line-height: 19pt;" class="MsoNormal"><strong><span style="" 微软雅黑?,?sans-serif?;="" tahoma?="" mso-bidi-font-family:="" 10.5pt;="" mso-bidi-font-size:="" #404040;="" color:="">●</span></strong><span style="" 微软雅黑?,?sans-serif?;="" mso-bidi-font-size:="" color:="" 10.5pt?="" black;="" lang="EN-US"> LINE OUT: 2V rms<o:p></o:p></span></div></dt>

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<div style="line-height: 19pt;" class="MsoNormal"><strong><span style="" 微软雅黑?,?sans-serif?;="" tahoma?="" mso-bidi-font-family:="" 10.5pt;="" mso-bidi-font-size:="" #404040;="" color:="">●</span></strong><span style="" mso-bidi-font-size:="" color:="" 10.5pt?="" #676767;="" tahoma?,?sans-serif?;="" lang="EN-US">Predrive</span><span style="" 微软雅黑?,?sans-serif?;="" mso-bidi-font-size:="" color:="" 10.5pt?="" black;="" lang="EN-US">out: 0-2V rms<o:p></o:p></span></div></dt>
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<div style="line-height: 19pt;" class="MsoNormal"><strong><span style="" 微软雅黑?,?sans-serif?;="" tahoma?="" mso-bidi-font-family:="" 10.5pt;="" mso-bidi-font-size:="" #404040;="" color:="">●</span></strong><span style="" 微软雅黑?,?sans-serif?;="" mso-bidi-font-size:="" color:="" 10.5pt?="" black;="" lang="EN-US">Power supply mode: DC15V/ 1.5A<o:p></o:p></span></div></dt>
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<div style="line-height: 19pt;" class="MsoNormal"><strong><span style="" 微软雅黑?,?sans-serif?;="" tahoma?="" mso-bidi-font-family:="" 10.5pt;="" mso-bidi-font-size:="" #404040;="" color:="">●</span></strong><span style="" 微软雅黑?,?sans-serif?;="" mso-bidi-font-size:="" color:="" 10.5pt?="" black;="" lang="EN-US">Size: 149mm</span><span style="" 微软雅黑?,?sans-serif?;="" mso-bidi-font-size:="" color:="" 10.5pt?="" black;="">×<span lang="EN-US">96mm</span>×<span lang="EN-US">56mm<o:p></o:p></span></span></div></dt>

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<div style="line-height: 19pt;" class="MsoNormal"><strong><span style="" 微软雅黑?,?sans-serif?;="" tahoma?="" mso-bidi-font-family:="" 10.5pt;="" mso-bidi-font-size:="" #404040;="" color:="">●</span></strong><span style="" 微软雅黑?,?sans-serif?;="" mso-bidi-font-size:="" color:="" 10.5pt?="" black;="" lang="EN-US">Weight:445g</span></div></dt>
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  <div align="center"><span style="" 微软雅黑?,?sans-serif?;="" mso-bidi-font-size:="" color:="" 10.5pt?="" black;="" lang="EN-US"></span></div>
  <span style="" 微软雅黑?,?sans-serif?;="" mso-bidi-font-size:="" color:="" 10.5pt?="" black;="" lang="EN-US"><o:p></o:p></span> 
  <div align="center"><img src="http://www.fiio.com.cn/en//include/editor/UploadFile/20101025114249969.jpg" border="0"></div>
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  <div align="center"><img src="http://www.fiio.com.cn/en//include/editor/UploadFile/20101025114443726.jpg" border="0"></div>
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  <div align="center"><img src="http://www.fiio.com.cn/en//include/editor/UploadFile/20101025114449845.jpg" border="0"></div>
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  <div align="center"><img src="http://www.fiio.com.cn/en//include/editor/UploadFile/20101025114454387.jpg" border="0"></div>
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  <div align="center"><img src="http://www.fiio.com.cn/en//include/editor/UploadFile/2010102511452867.jpg" border="0"></div>
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  <div align="center"><img src="http://www.fiio.com.cn/en//include/editor/UploadFile/20101025114512980.jpg" border="0"></div>
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  <div align="center"><img src="http://www.fiio.com.cn/en//include/editor/UploadFile/20101025114520271.jpg" border="0"></div>
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  <div align="center"><img src="http://www.fiio.com.cn/en//include/editor/UploadFile/20101025114527342.jpg" border="0"></div>
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<p align="center" class="MsoNormal" style="line-height: 19pt;">  </p>
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  <div align="center"><font size="4"><b>connection diagram as following</b>:</font></div>
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  <div align="center"><img src="http://www.fiio.com.cn/en//include/editor/UploadFile/20101025114537452.jpg" border="0"></div>
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<div style="line-height: 19pt;" class="MsoNormal"> </div>