Skip to main content
Play Video
Radial Engineering Radial Engineering

Radial Engineering Highline Stereo Passive Line Isolator

Q&A SKU #M19489000000000
249.99 $249.99
Or
6-Month Special Financing
Limited time Learn more
More ways to pay:
Lease-to-own with Progressive Leasing. Learn more
Loyalty Points Icon
Loyalty Points Icon
Earn 2,000 reward points
($20.00 in credit)
Earn 2,000 reward pts.
($20.00 in credit)
Inventory Msg Check Mark Inventory Msg Exclamation In Checkout Promo Inventory Msg Download Icon
In Stock & Ready to Ship
Most orders placed before 3 p.m. ET ship same day (except weekends and holidays).
  • Free Shipping
  • Flexible Financing
  • Lowest Price
Product Warranties Icon Product Warranties Icon

Gold Coverage Protection

Protect your gear

Chevron Right Icon
Overview

Connect your amp simulator seamlessly to the PA system.

The Radial Highline stereo passive line isolator is a dual-channel solution designed to eliminate hum, buzz and ground loops while preserving the full clarity and dynamics of your audio signal. Featuring premium Jensen transformers, it provides high-quality isolation for stereo line-level sources, making it perfect for recording studios, live sound setups and broadcast applications. With its passive design, the Highline requires no external power, allowing for seamless integration into any system handling balanced or unbalanced audio signals. Whether you're connecting stereo playback devices, keyboards or mixing consoles, the Highline ensures clean, noise-free audio transmission with absolute transparency.

Features

  • Isolates guitar amp sims from ground loops for hum-free PA connection
  • Jensen transformers retain full signal level and tone from amp sims
  • Stereo/Mono I/O: Balanced XLR outs, 1/4" inputs/thru for amp monitoring
  • Ground lift switch eliminates buzz; passive design requires no power

Order the Highline stereo passive line isolator today.

Q&A

Questions & Answers

Do you have questions about this product?

Prop 65 Warning Icon
WARNING: This product can expose you to chemicals including Titanium dioxide (airborne, unbound particles of respirable size), which is known to the State of California to cause cancer, and Lead, which is known to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Shop with a Friend
Free Shipping
  • Free Standard Ground shipping (48 contiguous states, some overweight and Used/Vintage items excluded).
  • Orders placed before 3 p.m. ET usually ship the same business day.
Learn More
2-Year Free Warranty on Guitars

Every guitar or bass you purchase from Musician's Friend (electric or acoustic, New or Open Box) includes two years of protection from manufacturer defects.

Contact Us for Details
We're Here for You

Our Gear Advisers are available to guide you through your entire shopping experience. Call or Chat for expert advice and to hear the latest deals.

Contact Us
Proactive Advisor Support Chat