EMG Bass Expander scoops midrange- can be used with active or passive

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  • Brand new in original box
  • Full EMG manufacturer's warranty
  • Free shipping in the continental US

In stock

SKU
EMG41
Pre-Order — this item is built to order by the manufacturer and is expected to ship in January 2027 (the manufacturer is waiting on a delayed parts shipment). Order now to reserve yours.
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Description

EMG EXB Bass Expander

The EMG EXB Bass Expander is a compact midrange scooper that reshapes bass tone with surgical precision during tracking and mixing. This pedal-sized unit operates seamlessly with both active and passive pickup systems, making it a versatile addition to any home studio or recording rig without requiring a complete electronics overhaul.

Tone Shaping & Recording Performance

The EXB delivers a simultaneous 10dB boost to trebles and basses while scooping mids at a center frequency of 1600 Hz—the classic move for carving bass definition and separation in a crowded mix. The exceptionally low input-referred noise of -130dBV ensures clean signal transmission with minimal noise floor degradation, critical for preserving articulation and clarity through the frequency sculpting process during session recording.

Power & Signal Chain Integrity

Operating on a single 9V battery with a 200-hour lifespan, this unit draws just 750 microamps and tolerates supplies up to 18 volts DC for extended headroom if needed. The 2K ohm output impedance and 250K ohm input impedance maintain clean impedance matching throughout your signal chain, while the included battery-switching stereo output jack eliminates parasitic drain when the unit sits idle between sessions.

Key Features

  • 10dB simultaneous treble and bass boost with mid scoop at 1600 Hz center frequency
  • Input impedance: 250K Ohms
  • Output impedance: 2K Ohms
  • Input-referred noise: -130dBV
  • Current draw @ 9V: 750 microamps
  • Battery life: 200 hours
  • Maximum supply voltage: 18 volts DC
  • Dimensions: 5 x 0.8 x 3 inches
  • Compatible with active and passive pickup systems
  • Included: EXB Control, battery clip with buss connector, stereo output jack with battery switching, two interconnect cables

The EXB delivers transparent midrange sculpting without coloration, making it an essential tool for engineers and producers capturing and mixing bass tracks with defined tone separation and extended dynamic range.

More Information
Condition New
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At a Glance

The EMG Bass Expander sculpts bass tone in the studio by delivering a classic mid-scoop (10dB boost on treble and bass, centered at 1600 Hz) that works transparently in dense mixes without coloration. Compatible with any pickup type, it delivers exceptionally low noise (-130dBV) to preserve articulation and detail during recording and mixing. Essential for producers and engineers tracking funk, rock, and metal bass who need defined tone separation and extended dynamic range in the final product.

Who This Is For

Great for

  • ✓ Funk
  • ✓ Rock
  • ✓ Metal
  • ✓ Studio Sessions
  • ✓ Live Performance

Not the best pick for

  • – Jazz
  • – Traditional Blues

Skill level: Intermediate · Advanced · Professional

Frequently Asked Questions

Will this work with my passive bass, or do I need active pickups?

The EMG Bass Expander works seamlessly with both active and passive pickup systems, so no electronics modifications or upgrades are required.

How long does the battery last?

The included 9V battery lasts approximately 200 hours of use and draws only 750 microamps. The stereo output jack features battery switching, so the unit won't drain power when not in use.

What exactly does the mid-scoop do?

The pedal simultaneously boosts treble and bass by 10dB while scooping midrange frequencies at 1600 Hz, the classic move for defining bass presence and cutting through dense mixes with articulate, tight tone.

Is this suitable for jazz or blues?

The EMG Bass Expander is designed for funk, rock, metal, and studio sessions; its aggressive mid-scoop and extended high end are not ideal for traditional jazz or blues playing, which typically favor warmer, more vocal midrange tone.

What's included in the box?

The package includes the EXB Control unit, a battery clip with buss connector, stereo output jack with battery switching, and two interconnect cables.

Do I pay sales tax on this order?

We collect sales tax only on orders shipped to California. Orders shipped to any other US state are charged $0 sales tax at checkout when you buy direct from our website. Marketplaces such as eBay, Reverb and Amazon collect sales tax in nearly every state as marketplace facilitators no matter who the seller is, so the same item at the same price costs less bought direct. Free US shipping and 30-day returns are included. Some states ask buyers to self-report use tax on out-of-state purchases.

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