Roseville, CA, United States
About this listing
Description
The MXR M81 Bass Preamp is a compact, studio-quality tone shaping tool designed to deliver clean, transparent sound in both live and recording environments. Housed in a pedalboard-friendly enclosure, this powerful preamp and direct box combo gives bass players precise control over their tone without adding unwanted coloration.
Featuring a highly flexible 3-band EQ with sweepable mids (250Hz–1kHz), the M81 allows you to fine-tune your sound with precision—whether you're enhancing clarity, tightening low end, or dialing in punchy mids. Separate input and output controls make it easy to match levels across different setups.
The built-in XLR direct output provides a pristine, studio-quality signal for sending directly to a PA system or recording interface. With a Pre/Post EQ switch, you can choose whether your EQ settings affect the direct signal, while the ground lift switch helps eliminate unwanted hum in live situations.
Powered by MXR’s Constant Headroom Technology™, this pedal maintains clear, distortion-free tone even at high output levels. Whether you're upgrading a passive bass, simplifying your live rig, or recording direct, the M81 Bass Preamp delivers professional-grade performance in a compact format.
Specifications
Model: MXR M81 Bass Preamp
Type: Bass Preamp / DI Pedal
EQ: 3-Band (Bass / Mid / Treble)
Mid Control: Sweepable (250Hz – 1kHz)
Controls: Input, Output, Bass, Mid, Treble
Technology: Constant Headroom Technology™
Outputs: 1/4" Output & XLR Direct Out
Switches: Pre/Post EQ, Ground Lift
Bypass: Buffered (True Bypass Option Internally)
Power: 9V Battery or 9V DC Adapter (not included)
Enclosure: Compact MXR (Phase 90 Size)
Additional Details
Studio-quality direct box for live and recording use
Clean, transparent tone that preserves your bass’s natural character
High headroom design prevents clipping at higher volumes
Ideal for passive and active basses
Price$179
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from Roseville, CA
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