From Radial Engineering
The Radial Highline is a premium line isolator designed specifically for amp simulators and pedalboards. Featuring a Jensen transformer, the Highline retains the full output of your gear while delivering clean, balanced signals free from hum and interference. With Radial’s renowned build quality, the Highline is built for long-term reliability on stage or in the studio. A 1⁄4” Thru jack provides flexible connectivity for stage amps or stereo sources, and the sum function allows effortless mono blending for streamlined setups.
Input
- Stereo Inputs
- Left and right ¼" input jacks to connect to the balanced or unbalanced outputs from amp sims & guitar pedals.
- Thru
- Left and right ¼" outputs to feed a pair of stage amplifiers.
- XLR Sum
- Sums the left and right input channels to mono at both XLR outputs, allowing you to retain your pedalboard settings when there’s only room for a mono input on the mixer.
- Thru Sum
- Sums the left and right input channels to mono at both Thru outputs, allowing you to feed a stereo signal to the mixer while monitoring locally with a single amplifier.
Output
- Stereo Outputs
- Stereo XLR outputs provide balanced & isolated signals for feeding the inputs of a mixer.
- Lift
- Ground lift switch eliminates hum and buzz from ground loops.
Free 3-Year Warranty
In addition to the standard included manufacturer warranty, virtually all new products carry our exclusive, industry-leading, absolutely free Sound Pure 3-Year Warranty, which includes parts and labor. It's our way of adding real value to the personal touch our small, dedicated team brings to every purchase.
Coverage exclusions live in Terms & Conditions, Section 27. Read the warranty →
You may also like
Browse Direct Boxes →
Recommended accessories
Sound Pure Studios · Durham, NC
Come hear it in our control rooms.
Sound Pure is a working studio in Durham, NC — a 1,000 sq ft live room and two pro control rooms. Book a session to audition gear in a world-class acoustic space before you buy.