Boss GEB-7 Bass Graphic EQ Effect Pedal

Product ID: 36736

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  • Created specially for bass guitars offering a full-range response for 4, 5 or 6 string basses
  • 7-band equaliser for you to shape your bass output
  • Three of the seven EQ sliders cover the essential mid range frequencies
  • 50Hz to 10kHz frequency range, specifically formed for bass guitars
  • Can be used as a boost or cut pedal using the level control knob
  • AC adaptor or 9V battery operation for portability
  • Compact design perfect for taking on the road
  • Free 5 year warranty when registered with BOSS
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Delivery & Returns

Delivery to UK mainland addresses* is FREE on orders over £75 and up to 30kg. (As a guide, a standard electric guitar weighs approx. 3-5kg).

Delivery on orders below £75 are charged at £4.45!

Delivery to Northern Ireland, the Scottish Highlands & Islands, Isle of Man, Isle of Wight and Channel Islands is weight dependant and will be indicated at the checkout

Delivery above 30kg to ANY location will vary according to weight and will be indicated at the checkout

LocationPriceStandard Delivery
UK mainland* FREE on orders over £75 £4.45 on orders under £75 1-3 working days
Northern Ireland, Scottish Highlands & Islands Isle of Man Isle of Wight Channel Islands £12.95 – any order value up to 30kg Over 30kg - please call 1-3 working days
Overseas Please call for details Please call

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Introducing the GEB-7 Bass Graphic EQ Effect Pedal by Boss which has been specifically designed for bass guitars. The GEB-7 is equipped with a 7-band equaliser which cover those essential mid range bass frequencies, thus offering outstanding sound quality. With a frequency range of 50Hz to 10kHz, you have the ability to mould the sound and tone of just about any bass guitar. Boss have built the GEB-7 to stand the test of time and at an affordable price, so if you’re on a stricter budget then this pedal will do wonders for your bass output.


For many bassists, particularly performing bassists, it is important to make sure you are heard and heard properly when on stage. If you struggle to project the sounds you want or need through your bass guitar pickups alone, or perhaps if your amplifier does not have an equaliser, then the 7-band EQ on the GEB-7 pedal will help you to do what you need to do. In fact, the Boss GEB-7 can increase the volume of your bass while allowing you to adjust the depth of tones as you desire. It can produce a huge, warm sound but it is also capable of providing a mighty overdrive. No matter whether you’re playing in the studio or at a particular venue, you have the power to adjust the output to suit your surroundings and playing needs.

An important feature of the Boss GEB-7 includes three of the sliders which cover essential mid range bass frequencies (400Hz, 500Hz, and 800Hz) and therefore have a big say in creating a personality in your bass output. Furthermore, the level slider gives you the option to use the GEB-7 as a boost or cut pedal which adds shape and character to the tonality of your bass guitar.

The Boss GEB-7 Bass Graphic EQ Effect Pedal is super compact and simple to use and will add many subtle improvements to any stage performance.

Model NameGEB-7 Bass Graphic EQ Effect Pedal
Dimensions (H x W x D)73 x 129 x 59 mm
Weight440 g
Nominal Input Level-20 dBu
Input Impedance1 M ohms
Nominal Output Level-20 dBu
Output Impedance1 k ohms
Residual Noise Level-100 dBu (IHF-A, Typ.)
Variable RangeEqualizer Control: +/- 15 dB, Level Control: +/- 15 dB
ConnectorsINPUT Jack, OUTPUT Jack, AC Adaptor Jack (DC 9 V)
Power SupplyDC 9 V: Dry Battery 9 V type (6F22/9 V), AC Adaptor
Current Draw16 mA (DC 9 V)
Included AccessoriesDry Battery 9 V type (6F22/9 V)
Options (sold separately)AC Adaptor (PSA-Series)

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