1.4 analog balance inputs 4 analog balance outputs, maximum input and output 17dBu (5.48Vrms) without distortion
2. Input 48V phantom power for each channel
3. Input each channel with microphone amplifier, 0~40dB gain adjustable, step by 1dB
4. Stereo USB sound card function, support playback and recording
5.USB interface, computer software control and USB sound card transmission function
6.RS232 interface, computer software control and central control function
7.RS485 interface, computer software control and central control function
8. Network interface, computer software control and central control function, through the network connection can manage multiple devices at the same time
9. Eight external GPIO ports
10. The system has AFC (feedback suppression) AEC (echo cancellation) ANC (noise cancellation) AGC (automatic gain) AUTO MIX (automatic mixing) MATRIX MIX (matrix mixing) Noise gate PEQ (parametric equalizer) time-delay FIR filter high and low frequency division compressor limiter
11. Input 15 PEQ segments and output 10 PEQ segments
12. Each channel inputs a 2000ms delay controller and outputs a 2000ms delay controller
13. Output 512 Tap FIR per channel
14. Input each channel voice incentive function (camera tracking), support with PELCO-DPELCO-PVISCA protocol camera control 1660 preset memory positions
15. Support wire box control
16. Android APP network control
17. Support archive locking, hide setting parameters, ensure the technical security of the project
Technical parameter
DSP chip: Signal processing: 32-bit floating point DSP 400MHz
Audio system delay: < 2ms
Digital to analog conversion :24-bit
Input channels: 4 balanced inputs. Mic/line level in
Audio interface: 3.81mm Phoenix, 12-pin
Input impedance: 11.5KΩ
Maximum input level: 12dBu/Line, -7dBu/Mic
Phantom Power supply: +48VDC, 6.5mA, independent configuration per channel
Output channel: 4 balanced output channels, line level out
Output impedance: 150Ω
USB: Type-B, no drive
RS232: Serial port communication RS232: Serial port communication
TCP/IP network port: RJ45
Power supply range: AC100V-- 240V 50/60 Hz
Size: 44mmx483mmx210mm
Net weight: 2.8kg
Operating temperature: -20℃--80℃
