Lightning Deal Professional Power Amp 4-channel Digital Amplifier For 8-inch Speaker In Cinemas And Conference Rooms Class D - Act Fast [GTPpu5RW]

4-channel digital amplifier for 8-inch speaker in cinemas and conference rooms Line type: class D
Power output: (8 Ω) 4 * 250W
Power output: (4 Ω) 4 * 300W
Bridge mode: 8 Ω 2 * 500W 4 Ω 2 * 600W
Signal to dryness ratio (20HZ-20KHZ) 8 Ω:>95DB
Distortion (@ 8 Ω 1KHZ):<0.5%
Input sensitivity: 1.0V
Frequency response: 20HZ-20KHZ+/-0.5DB
Damping coefficient:> 500@8 Ω