D6641H/D6642H/D6643H/D6644H Digital Audio Processor

Name: D6641H/D6642H/D6643H/D6644H Digital Audio Processor
Brand: Guangzhou DSPPA Audio Co., Ltd.

Features

● 4/8/12/16 balanced audio input of phoenix jacks
● 4/8/12/16 balanced audio output of phoenix jacks
● 24bit/48kHz sampling, high efficiency A/D & D/A converter
● 1 USB interface for video recording and software upgrading
● Advanced audio processing of EQ, frequency filter, feedback, noise, echo, etc.
● 1 RJ-45 interface to link with computer for system set up
● 1 RS232 interface and 1 RS485 interface to third devices such as audiovisual matrix, camera, etc.
● 1 GPIO programable interface (8 groups), end user can define the functions accordingly
● With built-in PC software, no need to install or download from network
● 1 U slim design, suitable for 19" rack mounting

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Introduction
Specification

The device maximally supports 16 input/output analog channels and 1 extended USB recording and broadcasting channel. It is equipped with high quality 21 level pre-amplifier circuit, DSP processing bus structure, and with multiple functions such as echo eliminator, noise eliminator to restore high quality sound. It’s mainly applied in a variety of large venues like theater, concert hall, remote video conferencing, sports venues, churches, conference centers, theme parks and so on. Its operation is simple and intelligent.

Model	D6642H D6643H D6644H
Maximum Number of Inputs	16
Maximum Number of Outputs	16
Number of 232 Serial Port	1
Number of 485 Serial Port	1
Number of GPIO	8, freely configurable I/O
Number of RJ45	1
Number of USB	1, support recording and broadcasting
Maximum Analog Gain	-60dB
Phantom Power	48V
Input-output Quantization	48KHz/24bit
A/D Dynamic Range	120dB
Input CMRR	80 dB @ +24dBu @60Hz
Input Impedance	20kΩ balance, 10kΩ unbalance
Maximum Input	24dBu
D/A Dynamic Range	120dB
Channel Isolation	100dB
Frequency Response	20～20kHz (±0.25dB)
THD (THD+N)	≤0.002% @1kHz, +4dBu
Output Impedance	100 Ω balance, 50 unbalance
Maximum Output	24dBu
Working Power	AC110V-220V/50Hz
Working Temperature	0~40℃
Package Dimensions (mm)	567×377×98
Machine Dimensions (mm)	483×270×44
Gross Weight	3.2kg
Net Weight	2.15kg

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