Electro Harmonix LPB-3 Boost & EQ

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Electro Harmonix LPB-3 Boost & EQ

Electro Harmonix

LPB-3 Boost & EQ

4.4 Expert Rating

Product Info

Article Number: 592301
Model: LPB-3 Boost & EQ
Price: $163.90

* Prices may vary. Check retailer for current pricing and availability.

The LPB-3 is a surprisingly versatile little box. It's ideal for players wanting a clean boost and flexible EQ to shape their tone, especially those using lower-wattage amps or needing to push a tired signal. It’s a great tool for lead guitarists and rhythm players alike who want to add some serious punch and character to their sound.

Product Description

  • Electro Harmonix LPB-3 Boost & EQ
  • Effect Pedal for Electric Guitar
  • Boost and EQ
  • Up to +33 dB clean boost plus 3-band EQ with parametric mids
  • Controls: Pre-Gain
  • Boost
  • Mid Freq
  • Mid Level
  • Bass Treble
  • Switches: Max. Boost 20 db / 33 dB
  • Mid Q High / Low
  • Foot wswitch: Effect bypass
  • LED: Effect On
  • Input and output: 6.3 mm jack
  • Power consumption: 120 mA
  • Power supply via 9 V DC mains adapter (2.1 x 5.5 mm barrel connector
  • centre negative
  • Dimensions (W x D x H): 70 x 114 x 53 mm
  • Includes power supply

*Note:* Battery operation is not supported

PROS
  • • Parametric mids offer incredible tonal sculpting ability, unlike simpler EQ pedals.
  • • The +33dB boost is genuinely usable for solos and driving amps, not just a subtle nudge.
  • • Electro Harmonix's robust metal enclosure feels solid and durable for gigging.
  • • The included power supply is convenient, eliminating the need for separate purchase.
CONS
  • • Limited to mono operation; lacks stereo capabilities for modern recording setups.
  • • The EQ’s high Q setting can easily introduce phase issues with certain amps.
  • • No battery operation restricts portability and stage flexibility.

Product Video

Key Features

Effect Type Boost & EQ
Controls Pre-Gain, Boost, Mid Freq, Mid Level, Bass, Treble
Bypass Type True Bypass
Power Supply 9V DC Mains Adapter (2.1 x 5.5 mm barrel connector, center negative)
Connections 6.3 mm Mono Jack (Input & Output)
Dimensions 70 x 114 x 53 mm

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Frequently Asked Questions

The parametric mid control allows much finer adjustments than fixed mid frequencies, giving you more precise tonal shaping.
While it's primarily designed for guitar, it *can* work with bass, but be mindful of potential muddiness and adjust the EQ accordingly; it’s not an ideal bass-specific solution.
The 20dB setting provides a substantial clean boost, while the 33dB is for more aggressive drive and pushing your amp into saturation.

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