D2200F Dual-Channel Feedback Suppressor

Name: D2200F Dual-Channel Feedback Suppressor
Brand: Guangzhou DSPPA Audio Co., Ltd.

Features

● Utilizes a high-performance professional audio processor employing DSP technology
● Operates at a 48K sampling frequency
● Features 2-way balanced input and 2-way balanced output
● Includes a built-in setup of 48 notch filters, comprising 12 static notch filters and 12 dynamic notch filters per channel
● Offers a fully automatic feedback suppressor with a 5-level preset
● Provides compressor and noise gate functionalities for both input and output
● Equipped with a one-key BYPASS and a panel featuring a key lock function
● Each channel boasts a volume gain function for input
● Displays two-channel level indications

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Introduction
Specification

The D2200F, a full automatic two-channel feedback suppressor, stands out as a high-performance solution equipped with 2 analog balanced inputs and 2 analog balanced outputs. Purpose-built for medium and large professional venues, it ensures top-notch sound reinforcement. This product delivers a professional-grade feedback suppressor effect, facilitated by patented frequency shifting and wave-limiting algorithms, resulting in exceptional speech quality and effective suppression of sound feedback. Its user-friendly design ensures easy operation while maintaining high performance standards.

Model	D2200F
Signal Processing	32-bit fixed/floating-point DSP
Audio System Delay	<1.9ms
Digital-analog Conversion	24-bit
Sampling Rate	48kHz
Frequency Response Range	20hz-20kHz
Harmonic distortion	<0.014%THD+D
SNR	108dB(A-weighted),106dB(Non-weighting)
Dynamic Range	110dB
Input Interface	2-way XLR/2-way 1/4’’ TRS (Female) balanced input
Input Impedance	Balance 500, unbalance 10kΩ
Output Interface	2-way XLR/2-way 1/4’’ TRS (Female) balanced input
Output Impedance	120Ω
Max. Input Level	2VRMS
Max. Output Level	6VRMS
Function	Noise gate, frequency shifting techniques, wave filtering, EQ, compressor limiter
Feedback suppression mode	Frequency shifting and automatic wave limiter, optional static feedback points up to 12, dynamic feedback points
Feedback suppression mode	Max. 12
Power Supply	AC220V~50Hz, Power 35W
Working Temperature	20℃～+60℃
Dimension	480×262×44mm
Package Dimension	525×340×135mm
Net Weight	3.2Kg
Gross Weight	3.7Kg

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