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Dual-channel balanced MIC/Line inputs and outputs for flexible analog routing.
High-speed floating-point DSP engine combining adaptive notch filter algorithms with frequency-shifting technology to effectively eliminate acoustic feedback.
Front-panel visual feedback array with 4 × 7-segment real-time signal level meters and a dedicated 48V phantom power LED.
Front-panel shortcut keys for instant channel Mute, system Bypass, and Filter Reset functionality.
41 adaptive notch filters per input channel, supporting custom assignment ratios between dynamic and fixed filters.
Integrated TCP/IP protocol enabling browser-based Web GUI control for deep parameter adjustment via PC network connection.
Multi-stage analog gain conditioning covering a broad dynamic range from 0dB to +42dB.
The product is a high-quality professional feedback suppressor (adaptive feedback notch processing) equipped with 2 (balanced) analog inputs and 2 (balanced) analog outputs. The product has built-in DSP functions such as adaptive notch filter, frequency shifting for feedback suppression, noise gate, compressor, analog gain control, mute, 48V phantom power, bypass pass-through, etc. The device can be controlled via RJ45 driver-free connection to a computer web page, making it suitable for use in various occasions.
Model | D6576 |
Digital Signal Processing | |
DSP Chip | 40-bit floating-point SHARC DSP, 400 MHz |
D/A Conversion | 24-bit |
Sampling Rate | 48 kHz |
Analog Audio Input & Output | |
Input Channels | 2 balanced inputs |
Audio Connectors | XLR balanced input/output; 6.35 mm TRS balanced input/output |
Input Impedance | 3 kΩ |
Maximum Input Level (1% THD) | 20 dBu |
Maximum Output Level (1% THD) | 20 dBu |
Output Channels | 2 balanced outputs |
Output Impedance | 100 Ω |
Audio Performance | |
Frequency Response | 20 Hz–20 kHz(±1 dB) |
THD+N (@ 1 kHz, 0 dBV) | ＜ 0.004% |
Signal-to-Noise Ratio (20 dBu) | 117 dB (A-weighted) |
Connectivity | |
TCP/IP Network Port | RJ-45 |
RS232 | 3-pin pluggable terminal block |
RS485 | 3-pin pluggable terminal block |
Electrical & Physical Specifications | |
Power Supply | AC 100V–240V, 50/60 Hz |
Power Consumption | ≤10 W |
Product Dimensions | 432.5 × 186 × 44 mm |
Product Weight | 2.35 kg |
Operating Temperature | −20°C to +50°C |
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