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By certification 
Technical Specifications
RMS 8Ω/STEREO: 1300W+1300W
20Hz-20KHz 4Ω/STEREO: 1900W+1900W
THD+N 0.1% 8Ω/BRIDGE: 3800W
Frequency Response ref 1k20Hz-20KHz: ±0.2dB
THD+N: < 0.1%
SNR: 102dB
Damping Factor: >200
SR: >20V/μs
Gain RL 8Ω: 42dB
Input Impedance: balance 20K / unbalance 10K
Output Circuitry: 3-tier Class H
AC Power: AC220V / 50Hz±10%
Amplifier and Load protection: Soft boot, DC, short circuit, over load, overheat, Clipping distortion
Input CONNECTORS: Female XLR Type/ Male XLR Type
Output CONNECTORS: NL4 Speakon socket, Binding post
Controls and LEDs—Rear Panel: Stereo, Splice, Bridging option switch, Bridging indicator, Sensitivity option switch, Grounding switch,30Hz HI-PASS switch.
Cooling mode: Stepless automatic transmission cooling fan.
RMS 8Ω/STEREO: 1300W+1300W
20Hz-20KHz 4Ω/STEREO: 1900W+1900W
THD+N 0.1% 8Ω/BRIDGE: 3800W
Frequency Response ref 1k20Hz-20KHz: ±0.2dB
THD+N: < 0.1%
SNR: 102dB
Damping Factor: >200
SR: >20V/μs
Gain RL 8Ω: 42dB
Input Impedance: balance 20K / unbalance 10K
Output Circuitry: 3-tier Class H
AC Power: AC220V / 50Hz±10%
Amplifier and Load protection: Soft boot, DC, short circuit, over load, overheat, Clipping distortion
Input CONNECTORS: Female XLR Type/ Male XLR Type
Output CONNECTORS: NL4 Speakon socket, Binding post
Controls and LEDs—Rear Panel: Stereo, Splice, Bridging option switch, Bridging indicator, Sensitivity option switch, Grounding switch,30Hz HI-PASS switch.
Cooling mode: Stepless automatic transmission cooling fan.
