GISEN AUDIO is a comprehensive company who develops, produces, sells and services independently. Not only we have a strict operating system, but also a team built with young, pioneering, innovating, and hard-working staff. In the aspects of technology research and development, product service, we have higher demands on ourselves. After constant efforts of staff, products with GISEN characteristics continuously come out.As the high requirements of power amplifier on various occasion, GISEN power amplifier has adopted an effective heat dissipation system and thoroughly considered circuit protection: with a clipping limiter (which strengthens the protection of the loudspeaker), direct current protection, hypo-low frequency loudspeaker protection, overheat protection, and a temperature control system which can adjust the output power according to the changes of temperature. No matter there is short circuit, longtime full load working, or over increase input signal, the power amplifier would still be in full functional mode.GISEN professional amplifier reverts to the sound source and timbre loyally and it has little interference to the audio signal as GISEN pursues pure style and smooth characteristics.With more than a decade's experience and technology, we make our own analog amplifier, digital amplifier and DSP amplifier. And they have been widely used in live show, theater system, KTV, entertainment club, conference, show, etc. GISEN will keep improving the quality and service, as we hope there will be more interaction, mutual trust and benefit between us. Hand in hand, we can build a bright future together!