Little bear P5-1 BLUE tube valve puffer Preamp Preamplifier amplifier ver1.2<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> 1 x Solder finished preamp board 2 x Peking 6J1 tube 6 x Panel(assemble to a box)，4x screws 1 x Transformer 110V or 220V，output AC:12V/1A，(i will sent correct model to you by your address(country)，with EU/UK/US/AU plug for choice) </span></li><li><span class="a-list-item"> PCB Circuit layout is reasonable and beautiful， minimize noise，warm sound，perfact for listen person singing. </span></li><li><span class="a-list-item"> ，Best for your desk headphone amplifier or home power amplifier.make the sound more warm. </span></li><li><span class="a-list-item"> About the input and output interface.all using GOLD RCA interface PCB. </span></li><li><span class="a-list-item"> Using E-package USPS post shipping to USA. usually 7-10 business days arrival </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51RveoPVYhL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51n7q7DtZzL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51NNLfQy8xL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41ixE6LPenL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51ApLS7KTSL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/519uMV7f8zL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/61pT8YiBLTL.jpg" noproxy>