Upgrade Your Guitar Setup with the Radial SGI-RX Studio Guitar Interface Receiver
Powerful Line Driver for GuitarsTake your guitar tone further with the SGI-RX! This high-performance line driver system takes your unbalanced instrument signal and sends it up to 100 meters (300ft) without a hint of noise. Say goodbye to signal loss and hello to crystal-clear sound.
Retain Your Original ToneThe SGI-RX preserves the authentic tone of your guitar, whether you're in the studio or on stage. In the studio, connect to a distant guitar amp from the control room. On stage, use it with off-stage isolation cabinets or manage signals to and from wireless systems, pedalboards, and amplifiers. It's the ultimate solution for guitarists seeking tone perfection.
Easy Setup, Great SoundSetting up is a breeze. Just plug your guitar into the SGI-TX input and connect your amp from the SGI-RX output. The SGI takes care of balancing, buffering, and impedance matching for you. And it doesn't just look good on paper - it sounds amazing!
Key Features:
- Balanced line driver for guitar and bass, ensuring consistent signal quality
- Send signal over 100 meters (300ft) without loss, expanding your sonic possibilities
- 100% discrete class-A circuit with Drag control for precise tone shaping
- Delivers natural tone to off-stage amplifiers, bringing your sound to life
- Indicates the SGI-TX is active when power supply is connected, so you know it's ready to rock
- Load correction allows you to dial-in the proper load for your pickups, optimizing your tone
Specifications:
- Audio circuit type: Active 100% discrete class-A with transformer isolation for superior sound
- Frequency response: 20Hz ~ 18kHz (-2dB) for a wide range of tones
- Dynamic range: 112dB, providing rich, detailed sound
- Total harmonic distortion: 0.005% @ 1k for clean, distortion-free audio
- Intermodulation Distortion: 0.04% @ 1k for accurate signal reproduction
- Input Impedance: Variable from 10k Ohms ~ 1 megaOhm to accommodate different guitars
- Output Impedance: 4.5k Ohms (unbalanced) for seamless connections
- Noise: -102dBu for quiet operation
- Maximum Input: +10dBu for strong signal handling
- Ground lift, Drag Control for added flexibility
- Input Connectors: TX: 1/4' | RX: XLR for easy setup
- Output Connectors: TX: XLR | RX: 1/4' for seamless integration
General
- Construction: 14-gauge steel chassis & outer shell for durability
- Size (L x W x D): 2.75' x 4.25' x 1.75' (70 x 108 x 44mm), compact and easy to fit
- Weight: 3lbs. (1.36kg), lightweight for easy transport
- Shipping size (L x W x D): 5' x 2.75' x 10.75' (127 x 70 x 273mm)
- Shipping weight: 3.2lbs (1.45kg)
- Power: +15VDC/400mA adapter included, ready to power up
- Conditions: For use in dry locations only between 5°C and 40°C, keep it cool and dry
- Warranty: Radial 3-year, transferable, worry-free protection




The Radial SGI-RX Studio Guitar Interface Receiver is a must-have for guitarists. Whether you're in the studio, connecting to a distant amp from the control room, or on stage, using off-stage isolation cabinets or managing signals to and from wireless systems and pedalboards, this receiver is designed to enhance your guitar tone. It features a balanced line driver that can send your guitar signal up to 100 meters (300ft) without loss, preserving the natural tone of your instrument. With its easy setup - just plug your guitar into the SGI-TX input and connect your amp from the SGI-RX output - and great sound quality, it's perfect for both beginners and pros. The receiver has a 14-gauge steel chassis and outer shell, measuring 2.75' x 4.25' x 1.75' (70 x 108 x 44mm) in size and weighing 3lbs. (1.36kg). It comes with a +15VDC/400mA adapter and is suitable for use in dry locations between 5°C and 40°C. Radial offers a 3-year, transferable warranty.