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*120W.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 4 channel power amplifier.

DA4250 4*250W 4 Channels Digital AmplifierMarch 7, 2017This 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*250W.Both balanced and unbalanced line inputs ...view
DA3450 1 channel Class-D AmplifierJune 10, 2019DA3350/DA3450/DA3650 is a series of digital power amplifier with newly designed appearance and high powers for selection.view
DA2125 2*120W Dual Channels Digital AmplifierMarch 7, 2017This is a Class D digital amplifier designed for commercial and industrial public address applications. Rack mount design in 1U type and rated power is 2*125W. Both balanced and unbalanced line inputs...viewwe will contact you within 24 hours.
DSPPA | PA Sound System for a School PlaygroundFebruary 22, 2023Abstract: DSPPA PA sound system has been applied to Jiuzhaigou Middle School.view
Brief Introduction of Public Broadcasting SystemMarch 29, 2019Because of the limited sound energy produced by natural sound sources (such as voice speech, singing, musical instrument playing, sound reproduction, etc.), the sound pressure level decreases with the...view