The Helion R2D3 is a highly versatile bass-oriented preamp, ideal for various instruments. With its transparently rich tonal qualities and subtle over-driven sounds, it caters to bass, electric guitar, acoustic guitar (with passive or active pickups), electric violin, cello, and other acoustic-electric instruments. Seamlessly integrating with other pedals, the Helion excels in a broad range of musical situations.

What you get is:

• Multi instrument Preamp Saturation with 5 Meg and 700K input impedance

• Parametric EQ with adjustable frequency for Bass, Mid and Treble. Selectable tuned EQ or shelving mode for speaker SIM

• Balanced XLR and 1/4” output. XLR has independent signal mode for console.

• Articulate saturation that smoothly sweeps from “clean” to “saturation” to “over-drive”

• Adjustable Rabid™ for even more distortion/gain that tips into fuzz tones

• “Focus” adjusts sub-harmonic frequencies to inject more low-end back into your signal. Super useful to contour your over-driven sounds

• “Tone” for mid shaping the Drive

• Insert TRS jack.

• Transformer-less, and quiet*

• Bypass or Mute mode for footswitch

• Separately selectable signal points for XLR Output

• External 9-12v DC, XLR phantom, and battery power

*Higher gain overdrive settings can introduce some interference from certain pickups and situations.

Helion shown in pics with footswitch cover option.

Helion R2D3 Quick Start Guide

Helion R2D3 Review on Bass Magazine by Jon D'Auria