Pricing and availability
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Price
Average Price: $121
Standard/Professional
$70
$201+
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Budget
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High-end
Price History
Based on price data from 6 merchants for "Boss GEB-7 Bass Equalizer". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Introducing the Boss GEB-7 Bass Equalizer, a versatile tool for musicians who seek to shape their sound to perfection. Compact yet powerful, the GEB-7 is specifically engineered to cater to the frequency range of a bass guitar. From the deepest depths at 50Hz to the bright heights up to 10kHz, this pedal provides you with a broad spectrum of tone-shaping capability.
The GEB-7 boasts 7 sliders, including 3 critical midrange sliders (400Hz, 500Hz, and 800Hz). These are the keys to unlocking and refining the character of your bass sound. The sliders offer a ±15dB range, enabling you to boost or cut frequencies with precision. Whether you're looking to add richness and depth to your acoustic guitar or to fine-tune your electric bass, the GEB-7 is an indispensable addition to your gear.
Key Features:
- 7-band equalizer designed specifically for the frequency range of the electric bass
- Broad frequency range from 50Hz to 10kHz
- 7 sliders for detailed sound shaping, including 3 critical midrange frequencies (400Hz, 500Hz, and 800Hz)
- Each slider boosts or cuts over a ±15dB range for substantial tone-shaping capability
- Great for adding depth and bottom end to acoustic guitars
- Can be used as a "boost" or "cut" pedal using the level control knob
- Nine-volt battery operation or use optional PSA-Series AC adapter
- Durable, reliable construction with easy-to-install battery compartments and LED indicators
- Comes with a five-year warranty
Owner's manual
Boss GEB-7 Bass Equalizer User ManualProduct specs
| Pedal Type | Bass EQ |
| Inputs | 1 x Instrument |
| Outputs | 1 x 1/4" |
| Power Source | 9V DC power supply (sold separately) |
| Batteries | 1 x 9V |
| Height | 2.4" |
| Width | 2.9" |
| Depth | 5.1" |
| Weight | 1 lbs. |
FAQs
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What does the Boss GEB-7 Bass Equalizer pedal do?
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The Boss GEB-7 Bass Equalizer pedal allows you to shape your bass guitar's tone by adjusting seven frequency bands, providing precise control over your sound. It's perfect for enhancing specific frequencies or tailoring your tone for different musical styles.
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Is the Boss GEB-7 suitable for live performances?
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Yes, the Boss GEB-7 is ideal for live performances, offering robust construction and easy-to-use controls that make it reliable and effective on stage. Its EQ capabilities can help you adapt your sound to different venues and band settings.
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Can the Boss GEB-7 Bass Equalizer be used with a guitar?
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While designed for bass, the Boss GEB-7 can also be used with a guitar to shape its tone. It provides flexibility with its frequency bands, although it is optimized for the lower frequencies of a bass guitar.
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What power supply does the Boss GEB-7 require?
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The Boss GEB-7 requires a 9V DC power supply, which is sold separately, or can be powered by a 9V battery. This makes it versatile for both pedalboard setups and standalone use.
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How does the Boss GEB-7 enhance slap bass tones?
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The Boss GEB-7 can enhance slap bass tones by allowing you to boost high and low frequencies while cutting mid frequencies. This EQ adjustment helps create a punchy, clear sound characteristic of slap bass playing.
Videos
BOSSchannel
BOSS GEB-7 Bass Equalizer [BOSS Sound Check]
Reviews
PROS
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Enhances bass tone clarity and versatility
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Sturdy build, designed for durability
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Works well with other pedals, no impedance issues
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Noticeably improves cheaper bass guitars' sound
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Wide range of frequency adjustments
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Easy to operate, even for beginners
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Can be used with non-bass instruments effectively
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Boosts volume for solos with precision
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Metal faders add to durability and feel
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Enhances live performances through sound customization
CONS
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Not true bypass, which might be an issue for some
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Lowest frequency bands more effective than higher ones
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Cut feature not aggressive enough for technical EQ work
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More than half of the EQ range considered ineffective for bass by some users
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Boss GEB-7 Bass Equalizer.
Value and pricing
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The Boss GEB-7 is often found under $100 used, offering better value than at its new price of approximately $140.
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Features and functionality
Comparisons
Use cases and applications
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A 7-band EQ like the GEB-7 provides more sound flexibility, particularly in adjusting bass-critical frequencies.
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The GEB-7 is frequently used to cut low mids at 400Hz to help bass lines punch through a mix without overwhelming it.
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For taming finger noise, the 4.5kHz band is noted as effective, providing clarity without sacrificing the tonal character of the bass.
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Build quality
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Owners praise the GEB-7 for its solid construction and longevity, with one noting it has remained on their pedalboard alongside essential pedals for years.
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User experience
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A user with extensive pedal experience claims the GEB-7's transparency and volume range are unparalleled, especially at its price point.
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Other
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It's noted that Boss pedals, including the GEB-7, provide buffering in the signal chain, preserving high-end frequencies that might otherwise be lost.
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Mods and upgrades
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The 5218A operational amplifier can be replaced with the NE5532AP to enhance sound clarity from low to high frequencies.
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Swapping standard capacitors with audio-grade electrolytic and WIMA metallized polyester film capacitors reportedly reduces noise.
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Replacing carbon resistors with metal film resistors is a recommended modification for reducing noise in the GEB-7.
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4.5 out of 5
Based on 5 Reviews and 74 Ratings
86
Useful and economical for live performances.
I use it when I play in concert or when I go to rehearsal rooms by the hour and I don't control the amplifiers. Super useful to get your sound quickly and effectively.
This review has been translated automatically into English. See original656
Artist usage
Add artist
In a 2017 feature by Premier Guitar, Flea is noted for using the Boss GEB-7 Bass Equalizer, sometimes incorporating two of them into his pedalboard setup.
This video from DunlopTV features the guitar tech of TOOL's longest acting bassist, Justin Chancellor. As he runs through some of the pedals within Chancellor's pedal board, we see that the over-all board is in 3 sections. On the top row of the middle section is a BOSS GEB-7 Equalizer Pedal.
In this photo, a Boss GEB-7 can be seen to the left of the Hartke pedal on Troy's pedalboard.
In this photo, Takeshi Ohtani shows his Pedalboard, with inside the GEB-7 Bass Equalizer pedal by Boss
In the YouTube video titled "Karnivool's Jon Stockman Bass Pedalboard rundown," Jon Stockman is shown using the Boss GEB-7 Bass Equalizer on his pedalboard during an interview conducted by Darkglass Electronics CEO Doug Castro.
In this photo of Walter Gerver's pedals, the second pedal from the right is the Boss GE-7 Equalizer Pedal. This photo was taken on August 21, 2007, by a user on Flickr. The photo location is Spitalfields, London, England.
This segment of a photo shows Luke’s pedalboard in its entirety. The Boss GEB-7 paired up with the Gamechanger Plasma Pedal give him the low end and fizz respectively for his “bass” signal chain.
In the beginning of the YouTube video "Street Guitar Performance by Estas Tonne," Estas Tonne can be seen using the Boss GEB-7 Bass Equalizer.
Album Usage
The Boss GEB-7 Bass Equalizer has been featured on the following albums:
Genre Usage
Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.
Used With
Based on how musicians on Equipboard use Boss GEB-7 Bass Equalizer, it is most commonly used with the following gear.
Community setups
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