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24 bit/ 48KHz sampling frequency, high-performance A / D, D / A converter and 32-bit floating-point DSP processor, full-function matrix mixing function to provide users with excellent and clear sound.
High-precision input sensitivity adjustment with 21 levels, 3dB steps; the maximum input gain is 60dB.
Efficient algorithm processing: AFC, AEC, ANS, AUTOMIXER, EQ, GATE, AGC and so on.
Abundant interface extension: Input and output GPIO of 8 channels can be customized. Support external input level of 3.3 ~ 24V; USB interface supports recording and broadcasting, scene preservation and other functions. RS-485 supports automatic camera tracking, easy to achieve video conferencing; RS-232 two-way serial control interface, it can control or be controlled, such as video matrix, camera and other equipment.
Support scene preset for multiple group, user-friendly operating software interface.
Fast operation: web control mode, support Android, IOS system.
Support 1 USB recording channel.
Support echo/noise elimination function.
Model | D6641H |
Input number | 4 |
Output number | 4 |
232 serial number | 1 |
485 serial number | 1 |
GPIO number | 8, Freely configurable input and output |
RJ45 number | 1 |
USB number | 1, Supports recording and broadcasting |
The maximum analog gain | -60dB |
Phantom powered | 48V |
Input and output | 48KHz/24bit |
A/D Dynamic Range | 120dB |
Input common mode rejection | 80 dB @ +24dBu @60Hz |
Input resistance | 20kΩ balance, 10kΩ unbalance |
Maximum input | 24dBu |
D/A Dynamic Range | 120dB |
Channel isolation | 100dB |
Frequency response | 20～20kHz (±0.25dB) |
Total harmonic distortion(THD+N) | ≤0.002% @1kHz，+4dBu |
Output impedance | 100 Ω balance, 50 unbalance |
Maximum output | 24dBu |
Working power supply | AC 90V~260V AC, 50Hz /60Hz |
Operating temperature | 0~40℃ |
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