D6648 Conference Audio Processor

Name: D6648 Conference Audio Processor
Brand: Guangzhou DSPPA Audio Co., Ltd.

Features

● Feature 4 analog inputs and 8 analog outputs.
● Allow seamless switching between microphone and line inputs.
● Provide 48V phantom power for each input, controllable via a web switch.
● Include input/output level adjustment, signal generator, delay, noise gate, limiter, etc.
● Offer matrix mixing control.
● Allow a maximum delay time of 1500ms.
● Support TCP/IP for controlling various parameters through the web interface.
● Include RS-232, RS-485, and GPIO interfaces for comprehensive control functions.
● Provide a 5-band PEQ adjustable for input and a 9-band PEQ adjustable for output.
● Support rapid switching between multiple scene modes.

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Introduction
Specification

This series is a high-quality professional audio processor with 4 analog inputs and 8 analog outputs. This product has built-in DSP functions such as input/output gain controller, noise gate, equalizer, matrix mix, crossover, delayer, and limiter. The device can be controlled through RJ45 drive-free connection to computer web page, controlled by the handheld terminal through the route WIFI login page, or controlled remotely through RS-232/RS-485 connection to the central control, suitable for various applications.

Model	D6648
DSP Chip
Signal Processing	40-bit floating-point SHARC DSP 450MHz
Digital-to-Analog Conversion	24-bit
Sampling Rate	48KHz
Analog Audio Input/Output
Input Channel	4 balanced inputs Mic/line level
Audio Connector	3.81 mm Phoenix plug, 12-pin
Input Impedance	5.4kΩ
Phantom Power	+48VDC, 6.5mA per input channel
Input Analog Gain	-5/0/5/10/20/29/37/43
Maximum Delay Setting Per Output Channel	1500ms
Output Channel	8 balanced outputs line level
Output Impedance	102Ω
Maximum Output Level	8V
Audio Indicators
Frequency Response Curve	20Hz-20kHz (±1dB)
THD+N	-85dB (1kHz, A-wt)
S/N Ratio	95dB (1kHz, A-wt)
Connection and Display
TCP/IP Network Port	RJ-45
RS232	Phoenix connector (for serial command control)
RS485	Phoenix connector (for serial command control)
GPIO Port	Phoenix connector, for recalling machine archive (customizable function)
Indicator Light	Power, Link
Display Screen	IP address, version
Electrical and Physical Parameters
Power Supply	AC100V---240V 50/60 Hz
Dimensions	44.5mm×482mm×265mm
Net Weight	3.35kg, 4.3kg
Operating Temperature	-20℃--80℃

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