Intelligent Network Power Amplifier
NSI-2300/ NSI-2700/ NSI-21300/ NSI-21600/ NSI-22000/ NSI-22400 NSI-4300/ NSI-4700/NSI-41300/ NSI-41600
Class TD (digital-analog) amplifier, nanocrystalline switching power supply,
high-performance processor (FIR: import/custom, Dante/AES),
intelligent network control system,
multi-group joint control remote control,LCD large screen touchable control.
l Intelligent heat dissipation: The cooling fan in the machine automatically controls the speed in real time, keeping the noise of the fan at the lowest state and solving the problem of environmental noise;
l AGC protection: When the input signal is too large (the output power overload), the AGC module automatically adjusts the channel gain and constant power (100%) output, which guarantees the sound quality and protects the speakers;
l Intelligent digital protection system against square wave, DC, overload, howling, low resistance, short circuit, overheating, overcurrent, overvoltage, on/off, etc.;
Square wave protection: Automatically identify the waveform with the load impedance, and adjust to output power without square waves.
DC protection: automatically detect the midpoint potential. It will be back to original working status after short-circuit, overheating, overcurrent, and overvoltage protections are released;
Howling protection: Automatically identify single-frequency signals and reduce output power;
Low-impedance protection: automatically detect load impedance and adjust the proper power output;
Intelligent sound control: When the device is turned on or off, the volume is automatically output from low to high without impact;
Intelligent temperature control: When the device is overheated, it will automatically reduce the power and continuously output continuous sound.
l High efficiency: original nanocrystalline full-bridge switching power supply, peak power> 20000W, the efficiency of the whole device>85%, energy saving, environmental protection, safe and reliable;
l Good sound quality: Creative digital/analog dynamic Class A amplification, fast speed on instant response, and good control on damping.
l Touch screen control: volume, mute, lock screen, password, bright/dark screen;
l Automatically lock the screen after 180s of non-operation, and press and hold the screen for 3s to unlock;
l Dark screen energy saving: After 30s of non-operation, the screen brightness will automatically dim and enter the energy-saving display mode;
l DSP function settings: working mode, input routing, Gain, output voltage, Equalizer, Crossover, Delay, Compressor, channel phase, Noise gate, data loading, signal backup, channels copy, system settings, Save and Exit;
l Output voltage: each channel of the output voltage can be independently selected and display the output power to adapt to the speaker power;
l No phase shift filtering: EQ with FIR;
l Network intelligent control: IP local area network, multi-units (≥255 units) joint control;
l Intelligent monitoring: PC network remote intelligent detection and analysis of the working status, temperature, protection, and failure of each channel;
l Routing distribution: 10 channels (analog×4, Dante×4, AES×2) signal input and channel signal matrix selection;
l Signal backup: 10 input signals have mutual hot backup function, switching time and signal threshold can be selected;
l Power amplifier backup system (two-channel power amplifier as optional): When the main power amplifier is protected or malfunctions, the backup power amplifier automatically switches continuously outputs;
l Sequential power supply: 6-channel sequential power output, when a failure occurs, it will automatically switch to the normal output of the socket;
l Seamless switching: When the main power amplifier is protected or fails, the backup power amplifier automatically switches the output within 10ms;
l Signal backup: Dante and AES digital signals can be backed up and switched;
l Remote monitoring: use 485 hands in hand cascade, PC interface can remotely monitor 50 groups (four main and one standby systems);
l Remote on/off: multi-group joint control operation;
l Six-channel sequential power output (automatically converted to normal use of the socket in case of failure) automatic continuous backup in the event of multiple main amplifier protection or failure.
Specifications:
Model (2-CH) | NSI-2300 | NSI-2700 | NSI-21300 | NSI-21600 | NSI-22000 | NSI-22400 |
Model (4-CH) | NSI-4300 | NSI-4700 | NSI-41300 | NSI-41600 | ||
Output Power (RMS): 8Ω | 300W | 700W | 1300W | 1600W | 2000W | 2400W |
Output Power(RMS): 4Ω/2Ω | 500W | 1100W | 2000W | 2400W | 3200W | 3600W |
Output Power(RMS):Bridge8Ω/4Ω | 800W | 1800W | 3200W | 4000W | 4800W | 5600W |
Output Voltage/Power(V/W) | 10-50V | 10-75V | 10-105V | 10-115V | 10-130V | 10-140V |
Input impedance (single channel) | 20KΩ Bal / Single channel)10KΩ (unbal/two channels in parallel) | |||||
Input Sensitivity /Gain | 0dB-15dB / 29dB-44dB (Each channel could be adjustable) | |||||
Electronic Volume/ Channel Separation | 0dB-50dB, Step 0.25dB / >50dB (8Ω 1KHz) | |||||
Conversion Rate /Damping factor | >30V / us (8Ω 1KHz) / >300 (8Ω 1KHz) | |||||
SNR / Frequency response | >100dB ( A weighted ) / <±0.5 dB (8Ω 30W 20-2000Hz) | |||||
THD+H | <0.05% (8Ω 30W) / <0.08% (8Ω 30W) | |||||
Power supply voltage/current | AC160V-260V / 50Hz / 0.4-16A (RMS) | |||||
Overall efficiency/starting current | 85% (8Ω 1kHz) / Start soft start current:<8A | |||||
Rear Panel input/output | Power input socket X1, signal input XLR socket (male/female) X 2/4, AES input XLR (male/female) X1 Dante input socket (RJ-45) X1, IP connection socket (RJ-45) X1, power output socket X 2/4 | |||||
Dimension | 2U 483 X 475 X 88 (mm)(WxDxH) | |||||
Net Weight | 12/14 kg | 12/14 kg | 13/16 kg | 13/16 kg | 15 kg | 15 kg |