• .XLR & 1/4” phone jack combo - input connector
  • .XLR - output connector
  • .Polarity reverse button (Channel 2, 4, 6, 8 only)
  • .Ground lift button
  • .Isolated transformer ensures flat frequency response and low distortion
  • .Durable all-steel chassis occupies 1U rack space


The PRO-8 of UNiKA isolator/balancer is one of our popular products. PRO-8 is an eight-channel isolation box and line balancer. As an isolation unit, use it to isolate lines to press and video feeds or on-stage power amplifiers. It’s a handy hum and buzz fighter for broadcast or live sound applications. As a balancer, it converts unbalanced lines from CD players, tape decks, etc. to balanced for long cable runs. The PRO-8 isolator/balancer is ideal for instrument rigs, studios, and pro audio. Every PRO-8 isolator/balancer has been thoroughly tested and offers the best value at an affordable price.


PRO-8 is an eight-channel line level isolation box and line balancer. Use it to help eliminate hum and buzz caused by long cable runs or to convert unbalanced lines to balanced in high noise environments. Its isolated transformer ensures flat frequency response and low distortion.

The PRO-8 features eight XLR & 1/4” phone jack combo input connectors that accept balanced or unbalanced connections, eight XLR output connectors, and eight ground lift buttons for each channel to eliminate hum. Channel 2, 4, 6, 8 each feature a handy polarity reverse button to correct for opposite polarity signals for mis-wired cables.

The PRO-8 Isolators/Balancers are all made in sturdy, 1U rack space, and rack-mounted designed. 

For more details about the UNiKA ISOLATOR/BALANCER, please contact UNiKA Professional Audio at +886 2 2793-3017. Also, visit the UNiKA Electronic Co., Ltd. website at www.unika.com.tw


Input Eight XLR & 1/4” Phone Jack Combo Connectors
Output Eight XLR Connectors
Frequency Response (20Hz~20KHz) ±0.2dB
Maximum Input Level +28dB
Input Impedance 600 Ω
Output Impedance 600 Ω
Total Harmonic Distortion <1% @+20dB
Common-Mode Rejection Ratio <-60dB @10kHz
Dimensions (H×W×D) 44 x 483 x 145mm
Weight 2kg
Rack Space 1U