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Sanway Professional Audio Equipment Co.,Ltd

Protea 3.6SP 3 IN & 6 OUT Karaoke Professional Digital Audio Processor

Protea 3.6SP 3 IN & 6 OUT Karaoke Professional Digital Audio Processor

1.Protea 3.6SP is a 3 Input, 6 Output Digital Speaker Processor 2. Protea 4.8SP is a 4 Input, 8 Output Digital Speaker Processor 3. Extensive Digital Professing 4. 24-Bit 49kHz A/D Converters

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Product Details

1>. The 3.6SP has 3 inputs and 6 outputs.
2>. The front panel interface allows quick access to all control parameters by offering dedicated function buttons, eliminating the need for hidden sub-menus.
3>. For even faster set-ups and stronger visualization of Input/Output routing, EQ, and Filter curves, a USB port is provided for use with Protea NE Software. Full control by third party controllers is also available via RS-232.

User interface

Front Panel Interface :A backlit 2 x 20 character LCD displays channel and function settings. Dedicated buttons provide access to all audio functions and system tools. The display indicates the current preset number, then subsequently shows the selected input or output and its active control parameters. Five segment LED arrays on each input and output provide audio level information and mute status.
Protea NE Software:The computer interface uses  Protea NE Software for Windows, which allows complete PC control of the unit through a USB jack. Protea NE software is supplied with each unit, or can be down-loaded at no cost from web site. Advantages of using the software include greater preset capacity, and a very intuitive visual representation of the audio routing and control process.

The Protea 3.6SP  utilize state of the art DSP technologies, beginning with 24 bit, 48kHz delta-sigma A/D converters with 128x oversampling. Digital processing includes Gain, Parametric EQ, Shelving Filters, Time Delay, Crossover Functions, Compression, Limiting, and Matrix Routing, all taking place in twin 120MHz Motorola DSP56362 high performance DSP processors. D/A conversion uses 24 bit delta-sigma converters with 128x oversampling. All inputs and outputs are precision balanced and RF protected using XLR connectors.
1> Protea 3.6SP is a 3 Input, 6 Output Digital Speaker Processor
2> Protea 4.8SP is a 4 Input, 8 Output Digital Speaker Processor
3> Extensive Digital Professing
4> 24-Bit 49kHz A/D Converters
5> Built-in Limiter
6> Crossver, EQ and Delay
7> USB and RS-232 Interface



Active Balanced, 18KΩ

Max. Input Level


Input Gain Range

-40dB to +12dB


Active Balanced, 112Ω

Max. Output Level


Output Gain Range

-40dB to +12dB


EQ Filter Types

1st or 2nd Order High or Low Shelf, Parametric

Shelving Filter Boost/Cut Range


Shelving Filter Frequency Range

Low Shelf 19.7Hz to 2kHz, High Shelf 3.8kHz to 21.9kHz

Parametric Filter Boost/Cut Range


Parametric Filter Frequency Range

19.7Hz to 21.9kHz, 1/24 Octave Steps

Parametric Filter Bandwidth

Four Octaves to 1/64 Octave

Input and Output Delay

0-682 milliseconds


HPF and LPF Frequency Range

19.7Hz to 21.9kHz, Off

Available Filter Types

12dB/Oct Butterworth, 12dB/Oct Bessel, 12dB/Oct Linkwitz-Riley

18dB/Oct Bessel, 18dB/Oct Linkwitz-Riley

24dB/Oct Butterworth, 24dB/Oct Bessel, 24dB/Oct Linkwitz-Riley

48dB/Oct Butterworth, 48dB/Oct Bessel, 48dB/Oct Linkwitz-Riley


Threshold Range

-20dBu to +20 dBu

Ratio Range

1.2:1 to INF:1

Attack Time Range

0.5ms to 50ms

Release Time Range

10ms to 1 Second

Frequency Response

20Hz to 20KHz, ±0.25dB


<0.01% @ 1KHz, +20dBu                

Dynamic Range

>110dB 20Hz - 20KHz unweighted

Audio Sampling Rate


Propagation Delay


Signal LEDs & Clip

Inputs: -20/Mute, -10, 0, +10, Clip (dBu or VU)

Outputs: -20/Mute, -10, 0, Limit Threshold, Clip (dBu orVU)

AC Requirements

Universal Power Supply, 100-240VAC, 50/60Hz, 20W max


40°F - 120°F (4°C-49°C) Non-condensing


9 Lbs


19.0" L x 1.75" H x 8.5" D (48.3 cm x 8.9 cm x 21.6 cm)

DSP software.jpg

Should you're looking for protea 3.6sp 3 in & 6 out karaoke professional digital audio processor, welcome to buy with us. We are one of the leading such manufacturers and suppliers in China. We can guarantee you the high quality and good performance of the appliance. Check the price list and quotation with our factory now.

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