4-In 4-Out Professional Audio Processor DP4004

With 4 analog balanced inputs and 4 analog balanced outputs, as well as a maximum input and output of 17dBu (5.48Vrms), undistorted.

With 48V phantom power per input channel.

With microphone amplifier per input channel, with gain adjustable from 0~40dB in 1dB steps.

With stereo USB sound card function for playback and recording.

With USB port for computer software control and USB sound card transfer function.

With RS232 serial port for computer software control and central control function.

With RS485 serial port for computer software control and central control function.

With network interface for computer software control and central control function, managing multiple devices simultaneously through network connection.

With 8 external GPIO ports.

With an LCD screen, allowing you to configure a range of functions such as device name, device presets, device IP, input volume, output volume and input mode, and to check the device version.

With a variety of DSP functions, such as AFC (Adaptive Feedback Cancellation), AEC (Acoustic Echo Cancellation), ANC (Active Noise Cancellation), AGC (Automatic Gain Control), AUTO MIX (Automatic Mixing), MATRIX MIX (Matrix Mixing), Noise Gate, PEQ (Parametric Equalizer), Delay, FIR Filter, High and Low Pass Crossover, Compressor, and Limiter.

With 15-band PEQ for the input and 10-band PEQ for the output.

With 2000ms delay per input channel and 2000ms delay per output channel.

With 512 Tap FIR per output channel.

With voice activation function (camera tracking) per input channel, support camera control with PELCO-D, PELCO-P, and VISCA protocols.

With 60 preset memory points.

Support control box control.

Support Android APP network control.

Support archive locking and setting parameters hiding to ensure the technical security of the project.