There are 2 types of power amplifiers in DSPPA production line: analog power amplifier and digital power amplifier. The power amplifier has 2 types of speaker outputs: low current (resistance fixed) output at 4-16Ω) and high current (voltage fixed) output at 70V/100V.

DSPPA analog power amplifiers use industrial circuit board and are simple and stable design for audio projects. They are equipped with 70V/100V speaker output and 4-16 ohms speaker output.

The 4-16 ohms speaker output ensures better sound effect while the 70V/100V speaker output ensures long distance transfer with best sound quality. They are ideal choice for Public Address Audio projects and Commercial Audio projects.

Guangzhou DSPPA Audio Co., Ltd. (DSPPA), founded in 1988, is a global famous manufacturer of professional audio products. DSPPA is a specialist for developing and producing the Public Address (PA) devices, Digital Conference System, Home Audio System, pa power amp and is famous for its high quality products and services. DSPPA has been the supplier of 2008 Beijing Olympics, the supplier of Expo 2010 Shanghai China, and the supplier of Sochi Winter Olympics 2014 Russia.