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
Input/Output	4×8
Input/Output Type	Analog
Signal Processor	40-bit floating-point DSP 400MHz
Bit Depth	24-bit
Sampling Frequency	48kHz
Input Impedance	＜10KΩ
Output Impedance	200Ω
A/D Dynamic Range	118dB
D/A Dynamic Range	118dB
Max Input Level	+18dBu
Max Output Level	+18dBu
Transmission Delay	4.1ms
Output Channel Delay	0ms～1500ms (Step:0.02ms)
THD+N	≤0.005% (+4dBu 1kHz)
Frequency Response	20Hz～20kHz ±0.3dB
CMRR	≥55dB
Crosstalk	≤-100dB
SNR	≥111dB (20–20KHz)
Dynamic Range	≥111dB (20–20KHz)
Noise Floor	≤-93dBu (20–20KHz)
Connection Type	TCP/IP, RS232, RS485
Preset	60
Size	482×253×44mm
Net/Gross Weight	3.3kg / 3.8kg

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