VX8 (Available in China and APAC Only)

Digital Processor

VX8 (Available in China and APAC Only)
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VX8 is a powerful voice processor designed for the KTV market. VX8 not only provides multiple audio connection options, but also integrates JBL speaker and microphone factory presets. The processing power of VX8 provides the best KTV experience with years of experience from JBL Professional.

Bringing more than 10 years of KTV system and 75 years of speaker design, VX8 integrates all the system components of the JBL Professional total solution, including JBL KTV speakers, Crown amplifiers and JBL wireless microphones. VX8 provides 16 tuning presets dedicated for JBL Professional KTV speakers and JBL Professional microphones, 15-band parametric EQ for music input and 20-band parametric EQ for each of the four individual microphone inputs. Echo engine and reverberation effect are processed separately by independent DSP. RS232 is provided for central automation system and smart home.

JBL products have been the choices in professional production facilties, including recording studios, cinema, concert halls and stadium , theaters and television broadcast centers worldwide. JBL VX8 brings KTV experience to the professional level.


High Performance
Highly integrated, redundant voice processing resources, from JBL acoustic technology, crystal sound, solid bass present, best value performance.

Following the strictly controlled manufacturing standards to ensure high quality production.

Short learning curve for experienced KTV engineers and operators as the operation and user interface design is similar to the KTV industry.

Meeting the demands of all sizes of KTV facilities by providing various input and output formats.


  Version Language Size Uploaded
file type icon VX8 Manual (Chinese and English)
updated: Oct 2022
    8.84 MB Oct 2022
file type icon VX8-PC-GUI Manual
updated: Oct 2022
    11.7 MB Oct 2022
platform icon VX8 Digital Signal Processor
version 1.1.0, updated: Oct 2022
1.1.0     923 KB Oct 2022
Spec Sheets
file type icon VX8 Spec Sheet
en updated: Oct 2022
  en  2.44 MB Oct 2022

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Parts & Service


Digital Inputs  
Connector Optical / Co-axial
Formats S/PDIF (24-bit), EIAJ CP-340, IEC 958
System Delay 1.7 ms
Analog Inputs  
Mic Input 4 x 1/4" TS
Music Input 2 x stereo pairs RCA
Mic Input Impedance 8 kΩ
Music Input Impedance 10 kΩ
Max Input Level > 18 dBu
Analog Output  
Output Connector 6 x XLR unbalanced
REC Connector 1 x stereo pairs RCA
Impedance 100 Ω
Max Output Level > 18 dBu
THD + N ≤ 0.5% @ 20 Hz - 20 kHz
Crosstalk ≤ -90 dB
S/N Ratio > 10 dB @ A-weighted
Noise Floor < 10 uV @ A-weighted, gain to max
Operating Temperature 0 °C to 45 °C
Storage Temperature -20 °C to 60 °C
Humidity Max 90% non-condensing
Control interface  
USB USB 2.0 Type-B
RS-232 DB9
Display Dot matrix LCD
Dimensions 482 x 204 x 44 mm
Net Weight 3.6 Kg
Mains Voltage AC 220 V / 50 Hz
Power Consumption ≤ 25 W


HARMAN Professional Solutions:

VX8 (Available in China and APAC Only)

Digital Processor