Resonance, foshan city, as a professional power amplifier technology leader in audio equipment co., LTD., its first comprehensive high-end audio brand, LA8 GREEN, since was established, has experienced seven spring and autumn period, witnessed the huge change of the echo sound: from 5 employee area of 200 square meters to 80 employees, 6000 square meters area, from pure manual production to mechanized production, from the classical class AB amplifier to improved T - class D power amplifier, power amplifier to the industry from traditional technology patent technology plug-in power amplifier. Therefore, LA8 GREEN also strengthened his position and mission: adhere to the advanced professional amplifier technology, with first-class production equipment, the basis of the quality control process, production can meet the demand of the Chinese market a comprehensive high-end professional audio equipment, give full play to the advanced technology advantage, for OEM customers to provide more personalized custom services.