Douk Audio Mini 6J1 Valve &amp; Vacuum Tube Pre-Amplifier Stereo HiFi Buffer Preamp<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Notice: this is Pre-Amplifier. need to connect with power amplifier for use.Since it is not Phono preamp， it is not suitable for turntable. </span></li><li><span class="a-list-item"> Size: 98X100X32MM. Weight: 350g </span></li><li><span class="a-list-item"> Output Power: 3000MV. Frequency Response: 20HZ (-0.2DB) -20KHZ (-0.2DB) </span></li><li><span class="a-list-item"> SNR: 100DB. Input Sensitivity: 300MV-2000MV. THD: 1000MV 0.1% </span></li><li><span class="a-list-item"> Package including 1 x TUBE-01 1 x DC12V1A </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41iLBQ-y-BL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41MmJHtm8fL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41QQ36Mw1VL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/413Yt11wl2L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41UVpPoQ-VL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41U-5BRrZvL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Y17K8HXDL.jpg" noproxy>