2014 Dared I-30 all tube integrated amp output about 35 watts per channel, brand new and sealed in original box. The amp designed with an analog meter, headphone output, and internal USB DAC (digital-analog converter, so you can connect to your PC computer), dual power setting (110/230 volts), etc. It is world amp! This is THE best amp in terms $ for 1) sound quality; 2) build quality; 3) looking; and 4) features. Speaking for class-AB tube amplifiers, there are only three kings of power tubes: EL34, 6L6G and KT88. Of course, if you are audiophile or tubephile or music lover, you probably know the best are the EL34 and 6L6G. Dared engineers this new I30 integrated amp can use both EL34 and 6L6G tubes, but optimized for 6L6G. Why? Because this amp comes with “Ruby” 6L6G tubes that outperforms most PP tube amps out there, China-made, US-made, or UK-make, or Japan-made, you name! "You may just like some audiophiles or music lovers prefer the sound produced with tube amplifiers on the grounds that it is more natural and satisfying than the sound from typical transistor amplifiers. Class AB push-pull topology has been nearly universally used in tube amps for long time, among which the 6L6G and EL34 power tubes used as power output stage are the most popular. The 6L6G and EL34 sound commonly very warm but also clean and detailed. Most importantly, the 6L6G tubes are very harmonically rich, so almost every audiophile and music lover loves those tube PP tube amps! If one never listened to a 6L6G or EL34 tube amp before, he did not hear what music shall be reproduced at all. This amp can use both types of tubes, but optimized for 6L6G, and probably is one the best made 6L6G tube amps in the market today. (Gold PCB and Gold tube sockets, pure silver signal wires, Headphone output, Dual power setting: 110 volts and 230 volts, with Analog output meter, Internal DAC (Digital-Analog-Converter) so you can connect this amp to computer (USB)). It uses simple open class-A circuit with two dual-triode tubes for two stages of Triode-Single-end (SET) for preamp amp and drive stage with little feedback. That gives open and natural sound amplification. You will enjoy more tube sonic characteristic from this amp than others on the market today. You will surely enjoy a great dynamics and high resolution from this amp. Extremely low noise level with very good musical balance due to a special computer modeling assistance design. Come with "Ruby" 6L6G power tube, BEST sound!" Paypal or major CC only. Buyer within lower 48 states pays shipping fee $45. Buyer from Canada will payal about $115 via usps priority mail. It is heavy, about 40 lb. I do not send this item to oversea.