Product name: Amplifier and speakers Model no.: M01 input impedance: 47K ohmamplifier rating output power: 18W x 2output impedance: 4 ohmtotal harmonic distortion: ≤1%amplifier frequency responce: 25HZ-30KHZ±0.5DBsignal to noise: ≥80DBtube model: M01Ainput level: 550MVEverybody knows that in Hi-Fi field, vacuum tube audio series has countless fans fascinated with it because of its unique charming timbre, its quietness and its pleasant warmth that is being created. It has also followed a much higher price compared to traditional vacuum tube audio products and thus making it impossible for the majority to enjoy its charm. OurM series can now come true for most of common peoplewho truly enjoys what Hi-Fidelity really is. This M01 model, which is only tens of US dollars, will allow most of us experience Hi-Ficharm. Compared with the traditional vacuum tube audio products, M01 has a petite shape and its smart appearance has given it an intelligent taste to it. Avant-garde and independent amplifier design ensures audio amplification and the pure quality output. Every detail has displayed their elegant and its designer pursuit of excellence. The perfect wooden sound box has helped make the elegant and classical atmosphere. The whole amplifier body only uses pure and thick aluminum panel. Its operation is simple and easy to operate with zero learning curve. The vacuum tube that we used on the M01 amplifier is for the tube which is manufactured by U.S. A. NOK. CO., LTD and this tube is a kind of very famous Hi-Fi level preamp in vacuum tube Hi-Fi industry. It’s one of the best pre amplifier tube which is at 35 times magnification. Its unique shape is very similar with 101D which is manufactured by very famous Western Electric company and so it has a name of small 101D. The full-aluminum material processing methods is used. The machine is oxidated as very fashion titanium color by using anodeoxidation methods and thus its metal feeling is very strong. The panels are for the 8mm thickness aluminum plate which is using CNC methods’ production. we use the Hi-Fi crystal module to amplify it and 22 times can be amplified. From the listening feeling, it’s much more natural and smooth. We use 15mm thickness MDF high density fibreboard to manufacture the speaker box. For the surface, we decorate it using the imported PVC leather and every one of them is made with refined crafts and materials. Regarding the speaker, we use very famous world-brand Denmark Vifa speaker. The Vifa brand is one of the world’s four major products. The tone can show the Denmark or the European music style and of course it’s the paradigm of Hi-Fi. Our M01’s sound is measured by Peterson who is the senior engineer from the Denmark Vifa company. The vacuum tube has very mellow specification and it’s very easy to show out the instrument’s realistic feeling because of its natural and transparent sound. Its amazing sound and its vivid always been beloved by the users. Especially because of the performance of forceful and elegance of the M01A vacuum tube, it’s very difficult to say its sound is not good. With such a competitive pricing, you can now truly enjoy the uniqueness and pure audio fidelity that a vacuum tube audio can bring out. Such feeling is what our M series is able to let you experience. After-sales service: We are committed to long-term after-sales service, the success of which is reflected by the many customers who stay with us year after year. Our warranty and return policy: All new amplifier or speaker purchases come with 1 year warranty covering any manufacturing defects.