Radial Engineering Highline Mono Passive Line Isolator
Top Pick
Radial Engineering
Radial Engineering

Radial Engineering Highline Mono Passive Line Isolator

4.6

Best for eliminating unwanted noise in audio systems.

This is the ultimate insurance policy for your amp modeler, ensuring your signal hits the PA exactly as you intended. By stripping away ground loops and noise, it delivers pristine, uncolored audio that stays faithful to your tone. It’s a simple, rugged tool that prioritizes sonic purity over bells and whistles.

Who it's for

  • Audio engineers and musicians battling persistent noise issues
  • Users seeking simple, dependable solutions for their audio setups
  • Discerning audiophiles and professionals prioritizing pristine sound quality

Who should skip it

  • Musicians and producers needing stereo isolation for their gear
  • Individuals expecting broader signal processing capabilities from their gear
  • Critical listeners with ultra-sensitive, high-gain audio chains

Performance breakdown

Signal Integrity

The Jensen transformer ensures audio remains transparent and completely uncolored.

Excellent

Noise Rejection

Effectively eliminates ground loop hum for a pristine, silent signal path.

Excellent

Build Durability

Heavy-gauge steel construction handles the rigors of constant touring effortlessly.

Excellent

Frequency Range

Extensive 10Hz to 70kHz response captures every nuance of your signal.

Excellent

Ease of Setup

Passive design means zero power requirements and simple plug-and-play operation.

Excellent

Versatility

Summing stereo inputs to mono is a lifesaver for modern modelers.

Excellent

Key Specs

Audio circuit type

Passive, transformer based

Transformer

JT-11-YMPC

Number of channels

Single channel (mono)

Frequency response

10Hz to over 70kHz

Total harmonic distortion

<0.03% from 20Hz ~ 20kHz / -10dB, 0.0002 @1kHz / -10dB

Phase Deviation

±0.3° from 20Hz ~ 20kHz / -10dB

Signal to Noise

110dB

Extras

Input Sum, Thru Sum

Construction

14-gauge steel outer shell & 16-gauge chassis

Finish

Durable powder coat

Know before you buy

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