◆The new Class D type,4 channel digital ampl ifier adopts a new generation of stabi l ized switching power supply,
which has more power, better stabi l ity and l ighter weight.
◆DSP digital processing, bui lt-in EQ, l imiting, delay and other ful l-featured of speaker processor
◆ 4-inch display color screen, ful l touch operating system
◆With network and USB interface, through PC software operation, to achieve remote parameter adjustment, and
to achieve multiple ampl ifiers onl ine operation
◆CPU real-time detection display, high frequency protection, overload, over current protection, over temperature
protection, output short circuit protection, DC protection, distortion l imiting protection, etc.
Model DSP4090 DSP4120 Rated Power 8Ω Stereo: 900W*4 1200W*4 Rated Power 4Ω Stereo: 1800w*4 2200w*4 Frequency Response (±3 dB): 20Hz-20KHz 20Hz-20KHz Total Harmonic Distortion: <0.05% <0.08% Signal to Noise Ratio: >103db >105db Coefficient of Damping: >1000(100Hz) >1000(100Hz) Resolution: >70db >75db Conversion Rate : >20V/µs >25V/µs Input Sensitivity: 1.0V 0.77V/1.0V/1.4V Input Resistance: 10kΩ/ 20kΩ 10kΩ/ 20kΩ Output Circuit: Class-D Class-D Net Weight: 13.5 kg 13.5 kg Product Size ( W x D x H): 483x 390x 88mm 483x 400x 88mm Packing Size ( W x D x H): 530 x 440 x130mm 530 x 450 x130mm
DM20new version update step
1) Copy the compressed package to the USB flash drive (note that you don't need to decompress it, it is best to format the USB flash drive first)
2) Insert the USB flash drive into any USB port of the mixer, and click “SETUP” on the mixer panel → “Maintenance” → “Update from USB” in the screen
Follow the prompts to complete the installation steps.