News - New 4-in-8-out digital processor---LA448

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GUANGZHOU XINBAOSHENG AUDIO EQUIPMENT COMPANY LIMITED

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New 4-in-8-out digital processor---LA448

time2024/03/31

: 4-in-8-out DSP processor with multiple conventional audio algorithms such as routing/gain/delay/compression/limiting/mute/equalization/high and low pass filters/all-pass filters and phase.

New 4-in-8-out digital processor---LA448

The audio processor is an important part of the professional stage audio system. They usually use digital signal processing (DSP) technology to process audio signals on stage to ensure audio clarity, balance and quality. Recently, in order to meet more stage performance applications, Sinbosen launched a 4-input and 8-output professional audio processor - LA448.

The LA448 series uses the latest fourth-generation processor and has a variety of conventional audio algorithms such as routing/gain/delay/compression/limiting/mute/equalization/high and low pass filters/all-pass filters and phase. The following personalized functions have been added, and each function can be turned off completely or turned on independently.

Advantages of LA448 processor: 1. 96KHz/192Khz sampling rate switching, both functions, bringing more application scenarios. 2. Dynamic equalizer automatically optimizes for large or small signals. 3. The FIR filter can perfectly correct the phase distortion caused by system parameter adjustment. 4. The delay of each channel is up to 1200ms, and the accuracy is optimized to 0.01ms through fine-tuning of the sound field or phase. 5. 4 inputs, 8 outputs, complete routing distribution, multiple working modes can be set. 6. Color LCD display, real-time dynamic liquid level display, Chinese and English interface optional. 7. One-click mute and global total volume control. 8. Equipped with WiFi/RS485 central control and driver-free USB control interface, which can be adjusted through PC control software.

Specifications	Parameter
Frequency response	±0.2dB10Hz-25kHz
THD+N	<0.005%@10Hz-25KHz
SNR	>118dB at 1% THD+N 10Hz-25KHz
Maximum input level	+20dBu /7.775Vrms
Maximum output level	+20dBu /7.775Vrms
Gain range	- 80dB to + 12dB per channel
Input impedance	>10K ohm. XLR input
Output impedance	< 60 ohms. XLR output
test signal	Independent sine wave / white noise / pink noise for each channel is optional.
Input equalization	12 sections (parameter / high / low rack / all pass) + 3 sections dynamic equalization
Extender	Threshold / ratio / start time / recovery time adjustable
High pass type	Ningke / Bessel / Bart 6 / 12 / 18 / 24 / 30 / 36 / 42 / 48
Low pass type	Ningke / Bessel / Bart 6 / 12 / 18 / 24 / 30 / 36 / 42 / 48
Adjustable delay	1200ms / accuracy 0.01ms for each channel
Group delay	2.8ms@96KHz / 1.2ms@192KHZ
Output equalization	16 segments per channel, supporting parameters / high / low frame / all pass filter
Output FIR	Low pass / high pass / band pass direct setting, coefficient support import / export
DRC dynamic control	Clipping (peak or RMS value) + compression
Volume / mute control	Direct panel knob, total volume and mute control
Phase control	Input / output: 0 / 180 degree flip per channel
Online control	Three online modes of USB / WiFi / RS485 central control
Level meter	Dynamic indication of display level
Power range	85V-260V 50Hz-60Hz
weight	Net weight: 3.6kg, gross weight: 5.2kg
Overall dimensions	(46 x 482 x 250mm), excluding interface

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