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KE Audio HIFI Professional Amplifier Series is AB class two channels amplifier and use transformer power supply that enhanced power delivery, utilizes a pure copper-wound transformer with minimized internal resistance to ensure high current output, reduced heat buildup, and excellent stability and reliability, Superior Sound Quality, employs ON gold-bonded transistors for efficient current amplification. Optimized Sound Effect, allows users to customize sound effects tailored to the specific characteristics of different speakers. Stable and Reliable, features a proprietary integrated digital-analog protection system.
Wide Applicability, especially suitable for applications with stringent sound quality requirements. Suitable for high-end venues or venues with high standards for sound quality.
Model | DE1 | DE2 | DE3 | DE4 | DE5 |
Number of input/output channels | 2 | 2 | 2 | 2 | 2 |
Output Power(RMS): 8Ω | 350W | 500W | 700W | 1000W | 1300W |
Output Power(RMS): 4Ω | 500W | 750W | 1000W | 1600W | 2000W |
Input Sensitivity | 0dB/0.775V | ||||
Frequency response | 20-20000Hz(±0.5dB) | ||||
Input impedance | 30kΩ(Bal/Stereo) 15kΩ(Unbalance/Parallel) | ||||
Conversion Rate | ≥30v/us | ||||
Damping factor | DE1、DE2、DE3、DE4≥400;DE5≥600 | ||||
Channel Separation | >60dB@kHz | ||||
SNR | >100dB | ||||
THD+H | <0.1% 1kHz 8Ω@1W | ||||
Intermodulation distortion | <0.2% 8Ω@1W | ||||
Dimension | DE1、DE2、DE3:483×132×407mm;DE4、DE5:483×132×487mm | ||||
Net Weight | 21kg | 22kg | 23kg | 31kg | 33kg |