JouerNow FX Tube-01 Pre-Amplifier HIFI Stereo Buffer Preamp， with Mini 6J1 Valve &amp; Vacuum Tube， 12V(silver)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>► NOTICE: This is a Pre-Amplifier. You need to connect with power amplifier for using. It can match digital power amplifier， analog power amplifier， active speakers. And the RCA Cable is not included.</li><li>► PATENT POWER CONVERSION MODULE: The first preamp with DC 12V power supply， which could be used worldwide. Every audiophile will want one.</li><li>► CLASSIC 6J1 TUBE: This design optimizes the route and provide soft clear sound. And the tubes could be replaced. This being a hybrid.</li><li>► QUALITY MATERIAL: All aluminum alloy shell， heavy gold PCB， gold-plated interface.</li><li>► SPECIFICATION: Output Power: 3000MV. /Frequency Response: 20HZ (-0.2DB) -20KHZ (-0.2DB) /Size: 98X100X32MM. /Weight: 350g SNR: 100DB. /Input Sensitivity: 300MV-2000MV. /THD: 1000MV 0.1%</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41KASCTCOqL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Ur-eVD28L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41gBbf0GZaL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Wi4Ln7UVL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51dzTbIWWcL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51YPB3UgliL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51MJqZKE1NL.jpg" noproxy>