Radial Highline Passive Stereo Line Isolator

SKU: # 818414   |   Model: # R800 1539   |    Product Reviews1 Reviews  Write a Review

Highline Passive Stereo Line Isolator

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Highline Passive Stereo Line Isolator
Highline Passive Stereo Line Isolator
Highline Passive Stereo Line Isolator
Highline Passive Stereo Line Isolator
Highline Passive Stereo Line Isolator
Your Price: $299.99 CDN
or from $32 CDN/mo
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The Radial Highline Stereo is the ultimate line isolator for stereo amp simulators and pedalboards. Equipped with dual Jensen transformers, the Highline Stereo delivers clean, balanced signals with maximum clarity and retains the full output of your gear. Designed with Radial's rugged build quality, it's a dependable choice for live or studio use. Dual XLR and Thru outputs handle stereo setups, while XLR Sum and Thru Sum functions provide seamless mono compatibility without compromising your tone.

Features

• Input: 1/4" input jack to connect to the balanced or unbalanced outputs from amp simulators & guitar pedals.
• Thru: 1/4" output to feed a stage amplifier. Can also be used as a second input if using a stereo source device.
• Sum: Turns the Input and Thru jacks into a passive mixer to sum stereo sources down to mono
• Output: XLR output provides a balanced & isolated signal for feeding the input of a mixer.
• Lift: Ground lift switch eliminates hum and buzz from ground loops.

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A must have for modeller/profiler pedal boards

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Closest Store   Mississauga, Ontario
I have been using an active DI at the end of my signal chain fed from TONEX and Strymon Iridium with various wet effects for a while. It sounded good but was always plagued with noise/mid to high pitch hum. When the DI gave out the other day, I thought to try out this line isolator instead. Although this isn't the cheapest thing, it certainly delivers in how it transmits strong and clean signal while also significantly reducing the hum. Couldn't be happier!
Posted by Jeremy on Jul 9, 2025
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