If you want to extend the guarantee for stereo amplifier , please consult our Customer Service for comprehensive information. It is important to note that you've got the choice to purchase this warranty any time before the manufacturer warranty expires.

Guangzhou Gisen Audio Equipment Factory owns a large independent factory to manufacture music amplifier. Gisen Audio's professional power amplifier series contains multiple sub-products. With the latest technology, Gisen Audio dsp amplifier can be done quickly in a high degree of precision. Low noise is caused during the working of the product.  With rapid delivery, Gisen Audio creates a win-win situation for itself and customers. High-current power stability is provided by the product.

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