The XCS series adopts Class D working mode, a two channel 1U design, and is composed of a highly stable switching power supply and a high-efficiency Class D amplifier, which creates advantages such as high efficiency, low heat, and small size. It has multi-level sensitivity selection and a complete protection circuit design, making it the best choice for fixed installation of sound reinforcement venues. Each of our power amplifiers undergoes strict and complete testing before leaving the factory, including surface mount AOI testing, ICT testing, single board intelligent function testing, whole machine AP testing, fully automatic vibration tester, voltage withstand testing, grounding testing, product temperature rise testing, product aging testing, super high power frequency converter net weight/gross weight conversion rate 100V-264V cycle testing, and AP audio analyzer testing of product full performance before packaging.