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Radial SGI 44 Studio Guitar Interface

Radial SGI 44 Studio Guitar Interface

$389.99 to $439.99 Price Tier: High-end

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Page last updated Jul 03, 2026

Pricing and availability

We compare 600+ stores and found this item at 5 stores. Prices updated July 3, 2026.

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Price

$439.99

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5.0 (1)

$439.99

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5.0 (1)

$439.99 3 available New

$284.00 1 available Used

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$439.99

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$389.99

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Average Price: $406

High-end/Boutique

$119

$300+

Price Tier

In the Direct Boxes category, Radial SGI 44 Studio Guitar Interface is priced in the High-end/Boutique range. This premium gear is built to very high standards and offers premium features.

Budget

Standard

High-end

Price History

Based on price data from 3 merchants for "Radial SGI 44 Studio Guitar Interface". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

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Elevate your stage and studio game with the Radial SGI 44 Studio Guitar Interface, a true workhorse for those demanding pristine signal integrity over long distances. Engineered with Class-A active circuitry, this robust interface ensures your guitar's voice is heard loud and clear, no matter the length of the cable run. Its compact, durable design makes it an indispensable tool for artists and engineers alike, providing reliability and performance that won't let you down.

Key Features:

Class-A active circuitry for optimal signal integrity over distances up to 300 feet.
Balanced XLR input and output for seamless integration into any professional audio setup.
Buffered 1/4" input jack with load correction circuitry maintains the original tone.
1/4" output jack for versatile connectivity options.
Sturdy chassis designed to withstand the rigors of touring and studio work.

Owner's manual

Radial SGI 44 Studio Guitar Interface User Manual

Product specs

Brand	Radial
Model	SGI-44
Finish	Yellow
Year	2010s
Categories	DI Boxes, Utility

FAQs

What is the primary function of the Radial SGI-44 Studio Guitar Interface?: The Radial SGI-44 is designed to extend the distance between a guitar and amplifier using balanced XLR cables, maintaining signal integrity over long cable runs in studio environments.
How does the Radial SGI-44 maintain signal quality over long distances?: The SGI-44 uses a balanced line driver and receiver to convert the guitar signal into a balanced format, reducing noise and preserving tone over extended cable lengths.
Is the Radial SGI-44 compatible with all types of guitars and amplifiers?: Yes, the SGI-44 is compatible with most electric guitars and amplifiers, allowing seamless integration into various studio setups.
Can the Radial SGI-44 be used in live performance settings?: While primarily designed for studio use, the SGI-44 can also be utilized in live settings to maintain signal quality over long cable runs between the stage and mixing console.
Does the Radial SGI-44 require a power supply?: Yes, the SGI-44 requires a 15V DC power supply to operate, which is included with the unit.

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Full Compass

Radial Engineering SGI Studio Guitar Interface System Overview | Full Compass

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Take your tone further with the Radial SGI.

Radial Engineering

Radial SGI boxes review and demo

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Reviews

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Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Radial SGI 44 Studio Guitar Interface.

Features and functionality

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The Radial SGI 44 facilitates seamless connection between control and live rooms, allowing users to maintain audio quality over long distances without signal degradation.
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The SGI works well with a combination of gear setups, including using a ProRMP for reamping and a J48 DI for capturing signals, making it versatile for real-time and post-production use.
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The SGI can be paired effectively with a passive reamp box to convert balanced signals back to unbalanced, maintaining audio fidelity across different setups.
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Use cases and applications

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Ideal for setups where the amp/mic placement is in a separate room from the control room, ensuring no loss in sound integrity.
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Owners using the SGI for over 40 feet of cable run report it as particularly beneficial for maintaining signal integrity, especially in studios with separate live and control rooms.
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For guitarists using extension cabs, the SGI's ability to maintain signal quality over long runs is crucial, particularly when running the amp head in the control room.
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Software and compatibility

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Works effectively with remote desktop solutions, enabling users to control sessions from a different room, enhancing workflow efficiency for solo recording.
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Other

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Owners using the Radial SGI daily report no issues with performance, highlighting its reliability in a studio environment.
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Comparisons

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Compared to Undertone Audio’s GB tracker and satellite, the Radial SGI is praised for its effective signal transmission capabilities over long distances without sacrificing sound quality.
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User experience

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Users with high-gain or distorted tones notice that using the SGI reduces noise and interference, which could otherwise be exacerbated by longer cable runs.
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