D6648 Conference Audio Processor

Features

● 4 analog inputs, and 8 analog outputs
● Support free switching between microphone input and line input
● With 48V phantom power for each input, controlled by the web switch
● With input level settings, signal generator, noise gate, delayer, compressor, and limiter
● With feedback suppression switch for each input, two-gear adjustment
● Matrix mixing function
● TCP/IP, support parameter adjustment on the web
● RsS-232, RS-485 and GPIO interfaces
● 31-band PEQ for input, 5-band PEQ for output
● Fast switching between multiple modes and scenes

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Introduction
Specification

This product is a high-quality conference audio processor,with 4 analog inputs and 8 analog outputs.It has built-in gain control, feedback suppressor, noise gate, equalizer, matrix mixer, frequency divider, delayer, compressor, limiter and other DSP functions. Besides,The device can not only be controlled by a computer through RJ45 free-drive connection,but also be controlled by a hand-held terminal through Router WIFI,It also can be connected to the central control device for remote control through RS-232/RS-485.It is applicable to various conference occasions.

DSP Chip
Signal Processing	32-bit fixed/floating-point DSP 300MHz
Audio System Delay	< 1.28ms
DAC	24-bit
Sampling Rate	48KHz
Analog Audio Input and Output
Input Channel	4-channel balanced inputs,Mic/line level, 5-8-channel balanced inputs,Mic/line level
Audio Interface	3.81 mmPhoenix socket, 12-pin
Input Impedance	5.1KΩ
Maximum Input Level	12dBu/Line, -35dBu/Mic
Phantom Power	+48VDC, 6.5mA,setting for each channel
Output Channel	8-channel balanced outputs,line level/Mic
Output Impedance	680Ω
Audio Specification
Frequency Response	20Hz-20kHz(+-0.5dB)/Line 20Hz-20kHz(+-1.5dB)/Mic
THD+N	-90dB(@12dBu,1kHz,A-wt)/Line -86dB(@-7dBu,1kHz,A-wt)/Mic
SNR	88dB(@0dBV,1kHz,A-wt)/Line
Connection and Display
TCP/IP Network Interface	RJ-45
RS232	Phoenix socket
RS485	Phoenix socket
GPIO Port	Phoenix socket, to call machine archive (Can be customized)
LED	Power, Link
Display Screen	IP address
Electrical andPhysicalParameters
Power Supply	AC100V---240V 50/60 Hz
Dimension	44.5mm×482mm×265mm
Net Weight	2.8kg,3.3kg
Working Temperature	-20℃--80℃

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