Pro Audio

Jensen Iso-Max pro-isolators present a complete range of passive, hum-eliminating solutions for balanced and unbalanced signals where absolute audio performance is required. These feature ultra-wide frequency response, exceptional signal handling (up to +24dB) and immunity to external electromagnetic fields.  Built into an easy-to-install flanged outer shell, each model comes equipped with standard connectors or may be special ordered to suit. Also included is a terminal strip for greater connectivity plus a set & forget bottom-mount dip switch to optimize each setup to suit your specific installation. This makes the Jensen Iso-Max professional ground isolators well suited for broadcast, recording, live touring and the most demanding audio installations.

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Single channel direct box - designed to drive an unbalanced instrument signal distances to 100 meters (300’) or more without high frequency loss or introducing noise into the signal path.

  • Primary application:
  • Frequency response:
  • Max signal handling:
  • CMRR noise rejection:
  • Standard connectors:
  • Converting Hi-Z signals to balanced mic level
  • 20 Hz to 20 kHz
  • +24 dBu @ 20 Hz
  • 80 db @ 60 Hz
  • 1/4" and 3.5 mini TRS input, XLR-M output

Two channel direct box - is a stereo direct box designed to drive unbalanced instrument signals distances to 100 meters (300’) or more without high frequency loss or introducing noise into the signal path.

  • Primary application:
  • Frequency response:
  • Max signal handling:
  • CMRR noise rejection:
  • Standard connectors:
  • Converting Hi-Z signals to balanced mic level
  • 20 Hz to 20 kHz
  • +24 dBu @ 20 Hz
  • 80 db @ 60 Hz
  • 1/4" and 3.5 mini TRS inputs, XLR-M outputs

Single channel direct box - is a multi-purpose direct box designed to interface all types of unbalanced sources to the PA system while enabling signals to be driven distances to 100 meters (300’) or more without high frequency loss or introducing noise into the signal path.

  • Primary application:
  • Frequency response:
  • Max signal handling:
  • CMRR noise rejection:
  • Standard connectors:
  • Converting Hi-Z signals to balanced mic level
  • 20 Hz to 20 kHz
  • +21.5 dBu @ 20 Hz
  • 80 dB @ 60 Hz
  • 1/4" TRS, RCA, 3.5 mini TRS inputs, XLR-M outputs

Two channel direct box - The Iso•Max Media-2 is a multi-purpose stereo direct box and isolator designed to interface all types of unbalanced sources to the PA system while enabling signals to be driven distances to 100 meters (300’) or more without high frequency loss or introducing noise into the signal path.

  • Primary application:
  • Frequency response:
  • Max signal handling:
  • CMRR noise rejection:
  • Standard connectors:
  • Converting Hi-Z signals to balanced mic level
  • 20 Hz to 20 kHz
  • +21.5 dBu @ 20 Hz
  • 80 dB @ 60 Hz
  • 1/4" TRS, RCA, 3.5 mini TRS inputs, XLR-M outputs

Two channel laptop direct box - Two channel direct box converts Hi-Z signal from a laptop to balanced mic level for PA system. Stereo to mono summing. Comes with RCA and 3.5 mini TRS inputs, XLR-M outputs.

  • Primary application:
  • Frequency response:
  • Max signal handling:
  • CMRR noise rejection:
  • Standard connectors:
  • Converting Hi-Z signals to balanced mic level
  • < 10 Hz to 100 kHz
  • +22 dBu @ 20 Hz, +25 dBu @ 50 Hz
  • 100 dB @ 60 Hz
  • RCA and 3.5 mini TRS inputs, XLR-M outputs

GLX - Balanced line level isolator designed to quickly eliminate hum and buzz problems in an audio system by simply inserting it into the signal path.

  • Primary application:
  • Frequency response:
  • CMRR noise rejection:
  • Standard connectors:
  • Ground isolation for balanced line inputs
  • 20 Hz to 18 kHz
  • -84 dB
  • XLR

Line Input - Two channel isolator for professional line inputs up to +22 dB. May be used with any combination of balanced or unbalanced sources or destinations. Screw-down terminals for easy integration.

  • Primary application:
  • Frequency response:
  • Max signal handling:
  • CMRR noise rejection:
  • Standard connectors:
  • Module width:
  • Optimal cable length:
  • Line input isolator, eliminates ground loops
  • < 10 Hz to 50 kHz
  • +19 dBu @ 20 Hz, +22 dBu @ 50 Hz
  • 95 dB @ 60 Hz
  • Gold plated plug in screw terminal
  • 52 mm (2.05”)
  • Output - 1 m (3')

Mic Splitter - Eight channel 2-way passive mic splitter with one isolated and one direct output per channel. Features dual Faraday shields and MuMETAL® can to eliminate RF. Configurable phantom circuitry. Nema box ready for easy installation.

  • Primary application:
  • Frequency response:
  • Max signal handling:
  • CMRR noise rejection:
  • Standard connectors:
  • Eliminating noise on a mic input
  • < 10 Hz to 100 kHz
  • +2 dBu @ 20 Hz
  • 120 dB @ 60 Hz
  • Plug in screw terminal

Mic Splitter - Eight channel 3-way passive mic splitter with two isolated and one direct output per channel. Features dual Faraday shields and MuMETAL® can to eliminate RF. Configurable phantom circuitry. Nema box ready for easy installation.

  • Primary application:
  • Frequency response:
  • Max signal handling:
  • CMRR noise rejection:
  • Standard connectors:
  • Eliminating noise on a mic input
  • < 10 Hz to 100 kHz
  • +2 dBu @ 20 Hz
  • 120 dB @ 60 Hz
  • Plug in screw down terminal

Line Input - Single channel isolator for professional line inputs up to +22 dB. May be used with any combination of balanced or unbalanced sources or destinations. Screw-down terminals for easy integration.

  • Primary application:
  • Frequency response:
  • Max signal handling:
  • CMRR noise rejection:
  • Standard connectors:
  • Module width:
  • Optimal cable length:
  • Line input isolator, eliminates ground loops
  • < 10 Hz to 50 kHz
  • +19 dBu @ 20 Hz, +22 dBu @ 50 Hz
  • 95 dB @ 60 Hz
  • Gold plated plug in screw terminal
  • 36 mm (1.42”)
  • Output - 1 m (3')

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