Sinbosen 4 in 8 out dsp audio processor 4.8 sp karaoke professional digital audio processor

Sinbosen 4 in 8 out dsp audio processor 4.8 sp karaoke professional digital audio processor

Model: 4.8sp
Type: DSP digital audio processor
Number of Channels: 4 input 8 output
Function: Crossover, EQ, delay and limiter
Third-party control friendly: yes
Warranty: 2 years

  4.8sp Specifications  
Input Active Balanced, 18kOhms
Input Level +20dBu (Max)
Input Gain Range -40dB-+12dB
Output Active Balanced, 112 Ohms
Output Level +20dBu (Max)
Output Gain Range -40dB-+12dB
AC Requirements Universal Power Supply  ; 100-240VAC, 50/60Hz, 20W
EQ Filter Types 1st or 2nd Order High or Low Shelf, Parametric
Shelving Filter Boost/Cut Range  +15dB/-30dB
Shelving Filter Frequency Range Low Shelf: 19.7Hz-2kHz   ; High Shelf: 3.8kHz-21.9kHz
Parametric Filter Boost/Cut Range +15dB/-30dB
Parametric Filter Frequency Range 19.7Hz-21.9kHz, 1/24 Octave Steps
Parametric Filter Bandwidth Four Octaves to 1/64 Octave
Input/Output Delay 0-682ms
HPF/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-+20dBu
Ratio Range 1.2:1 to infinity:1
Attack Time Range 0.5ms-50ms
Release Time Range 10ms-1Sec
Frequency Response 20Hz-20kHz, ±0.25dB
THD <0.01% at 1kHz, +20dBu
Dynamic Range >110dB, 20Hz-20kHz unweighted
Audio Sampling Rate 48kHz
Propagation Delay 1.46ms
Signal LEDs (dBu or VU): Inputs -20/Mute, -10, 0, +10, Clip
Signal LEDs (dBu or VU): Outputs -20/Mute, -10, 0, Limit Threshold, Clip
Environmental Temperature 40-120 deg. F / 4-49 deg. C noncondensing

Good products, not only need to observe the surface, but also need to observe the inside. Some suppliers, their prices are very cheap, because they use some poor materials.

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