You are expected to try to install stereo amplifier first. When there are big problems which cannot be solved themselves, we may send engineers. A team of experienced engineers has been established. They are always ready to solve problems. When the product is customized and the general instruction is not applicable, a specific manual may be provided. If the problem still cannot be solved, engineers may be sent. This is also decided by the distance and the work schedule.

Guangzhou Gisen Audio Equipment Factory has gained its popularity all over the world. The toroidal transformer amplifier series has become a hot product of Gisen Audio. Gisen Audio amplifier class td will be seriously checked for its materials and parts. Its electric components will be inspected in line with a restriction of the use of hazardous and heavy metals, such as hexavalent chromium (Cr6+), Polybrominated Diphenyl Ethers (PBDE), and polybrominated biphenyl (PBB). The built-in loudspeaker protection circuit protects high volume bursts of audio. Gisen Audio has fine workmanship to produce home theatre power amplifier including home cinema amplifier. Its control knob comes with easy adjustment.

We bear social responsibility in our daily operation. We will keep continually review our manufacturing approach in light of the evolving sustainability landscape.