Company Profile


With over ten years of production experience in the professional audio , DOLSI Audio has grown up to be a manufacturer focusing in research, development and manufacturing of high quality audio equipment, including professional power amplifier, speaker system, and other audio peripherals. With strong R&D capability, DOLSI have obtained a number of technology invention patents. Starting from traditional analog circuit, after hard working of our senior Engineers, Dolsi developed over ten series of amplifiers covering classic analog technology, high efficiency TD electric circuit, SMPS and digital amplification and professional audio system. Co-operation with famous suppliers America ON, Japan Toshiba and SANKEN ensures our advantage of technology updating and product reliability.


DOLSI is working on custom-made, OEM and own-brand production for clients from all over the world. We understand well about the real demand to the reliable performance and stability of the audio products for various applications. DOLSI engineers configure the product function with different structure and feature based on different applications, coming out variety of product series that are widely used in theatre, stadium, outdoor events, live show, club, indoor activity, meeting room, church, bar saloon and multiple-function hall.


Quality is the critical point of our business. We always stick to quality first, customer supremacy and service success. DOLSI product passed CCC, CB, CE and RoHS certification.


Believing that there is no best , only the better, DOLSI is in progress with every client feedback. 

People-oriented, pragmatic and trustworthy.
Quality first.Customer first.Service success.
Believe that there is no best, only better.
Attach importance to each user's feedback.

Company Culture


One of our outstanding business is the development on our own power amplifiers with patents. We have obtained a number of patents on  technology invention, out-ward appearance design, and structure layouts.   
The patent certificates we obtained:
Click the image to enlarge-
Quality is the critical point of a business life. We always stick to quality first, customer supremacy and service success. Dolsi products passed CCC, CB, CE and RoHS certification as well.
The quality certificates we obtained:
Click the image to enlarge-

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