D6688 8x8 Audio Matrix Processor

Name: D6688 8x8 Audio Matrix Processor
Brand: Guangzhou DSPPA Audio Co., Ltd.

Features

● 24-bit/48kHz sampling frequency, high-performance AD/DA converters, and a 40-bit floating-point DSP processor.
● High-precision input sensitivity adjustment with 14 levels, 3dB steps, and a maximum input gain of 42dB.
● Full-featured matrix mixing function, offering exceptional and clear sound, including EQ, GATE, COMP, LIMIT, AGC, and more.
● GPIO supports 8-channel scene switching for quick operation, with RS232 and RS485 central control commands.
● 60 scene presets with a user-friendly interface, supporting fast switching between Chinese and English.
● TCP/IP control protocol for PC connection, enabling web-based quick control and parameter adjustment.

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Introduction
Specification

This series is a high-quality professional audio processor with 8 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	D6688
Input/Output	8×8
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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