MXR Pedal Bass Chorus Deluxe M83 Guitar Effect

MXR® Bass Chorus Deluxe M83 – Lush Analog Modulation, Tailored for Bass

The MXR Bass Chorus Deluxe delivers analog lush modulated tones with Bass and Treble controls, a Flanger switch, and an X-Over switch for tonal flexibility. Powered by pure analog bucket-brigade technology, it serves up shimmering, liquid chorus and swooshing, metallic flanger effects while preserving the punch and fundamental of your low end.

Analog Bucket-Brigade Technology

At the heart of the Bass Chorus Deluxe is genuine analog bucket-brigade circuitry, delivering the warm, organic modulation that digital emulations simply can't match. Whether you're after subtle, shimmering chorus or dramatic, metallic flanger sweeps, this pedal provides the rich, expressive tones that bassists crave—without sacrificing your core low-end punch.

X-Over Mode – Keep Your Low End Intact

The top-mounted X-Over button with LED status indicator engages a smart high-pass filter: modulation in low frequencies is decreased at 100Hz. This is perfect for playing upper-register chords, melodies, and fills while keeping your low end tight and in tune. When disengaged, the full-frequency modulation is applied for a more pronounced effect.

Flanger Mode – From Chorus to Swoosh

A top-mounted Flanger button with LED indicator toggles between chorus and flanger modes. In Flanger mode, the pedal delivers swooshing, metallic sweeps that add drama and movement to your playing. It's like having two classic effects in one compact pedal.

Bass and Treble Controls – Shape Your Modulation

Dedicated Bass and Treble controls let you cut or boost lows and highs, shaping the tonal character of the effect to suit your bass, your rig, and your song. This level of tonal control is rare in a chorus pedal and makes the Bass Chorus Deluxe exceptionally versatile.

Stereo Operation – Wide, Moving Sound

For a wide stereo sound, select the TRS Stereo Hardwire Bypass Mode via an internal switch. In this mode, use a TRS to TS Y-splitter cable to send the effect signal to two different amplifiers, allowing the modulation to move from left to right for a spacious, immersive experience.

Built for Bass Players, by Bass Players

The Bass Chorus Deluxe joins the ranks of award-winning pedals in the MXR Bass Innovations line, each designed by bass players for bass players. It features true hardwire bypass (or TRS stereo hardwire bypass) to preserve your tone when disengaged, and it's housed in a rugged, road-ready enclosure.

Key Features:

• Pure analog bucket-brigade chorus and flanger

• Top-mounted Flanger and X-Over buttons with LED indicators

• X-Over mode reduces low-frequency modulation at 100Hz

• Bass and Treble controls for tonal shaping

• TRS Stereo Hardwire Bypass Mode via internal switch

• True hardwire bypass (mono) or stereo hardwire bypass

• Compact, pedalboard-friendly enclosure

• Powered by 9V DC

• Made in USA

Specifications:

• Model: M83 Bass Chorus Deluxe

• Effects: Chorus, Flanger

• Controls: Rate, Depth, Bass, Treble, Level, Flanger button, X-Over button

• Bypass: True Hardwire (mono) / TRS Stereo Hardwire (internal switch)

• Power: 9V DC

• Housing: Standard MXR enclosure

• Country of Origin: USA

The MXR Bass Chorus Deluxe M83 – Lush analog modulation with the control and clarity that bassists demand.

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