This is a Class D digital amplifier designed for commercial and industrial public address applications. Rack mount design in 1U type and rated power is 4*60W.Both balanced and unbalanced line inputs are available for each channel. Balanced line output feeds to another power amplifier as well as secures the signal transmission is less noise and longer distance. 70V, 100V speaker outputs are convenient for installation when selection different speaker matching. Complete protection includes clip, short circuit, high temp and overload. With indications for power, signal, clip, protection and temperature. This product can be called class d amp or 70v amplifier 4 channel.

DPA500/DPA750/DPA1000 1U 500W/750W/1000W Mixer Amplifier with 2 MIC & 2 AUX InputsApril 24, 2025The DPA500/DPA2000 is a compact 1U Class D amplifier with 2 MIC and 2 AUX inputs, ideal for commercial sound systems. It delivers 500W/2000W output with high efficiency and stable power performance. F...view
DPA2650/DPA2800 1U 2-Channels Class-D Professional Power AmplifierMay 16, 2025DPA2300/DPA2450/DPA2650/DPA2800 is a 1U 2-channel Class-D professional power amplifier that delivers powerful performance in a compact chassis. It features a high-efficiency switching power supply, pr...viewwe will contact you within 24 hours.
The Main Development Direction of Future Digital Conference SystemMay 13, 2022What are the main development directions of the future digital conference system? Follow us to find out.1. Application of streaming media technology in digital conference systemThe so-called streaming...view
Background Music of Pa Speaker SystemMarch 29, 2019Pa speaker system covers a wide range of areas, from shopping malls, schools, hotels, stations, wharves, squares to venues, theatres, gymnasiums and so on, all of which are closely related.1.1In civil...view