Boss GEB-7 7-band Bass Equalizer Guitar Effect Pedal (GEB7)

RM670.00

Seven-Band Bass Equalizer — Shapes bass tone with a dedicated 7-band graphic EQ, covering frequency ranges optimized for electric bass performance.
Wide Frequency Control — Adjusts seven frequency bands from 50 Hz to 10 kHz, with ±15 dB boost or cut available on each band for detailed tonal refinement.
Level Adjustment — Matches or boosts overall output with a dedicated Level control, providing consistent volume when switching the effect on or off.
Low-Noise Circuit Design — Maintains clean signal performance with a low-noise design suitable for live performance, recording, and precision tone adjustment.
Pedalboard-Ready Construction — Integrates easily into bass rigs with buffered bypass, mono input/output, and operation via a 9V battery or optional PSA-series AC adaptor.

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Precise Tonal Control

The GEB-7 is a seven-band equalizer created specifically for the frequency range of the electric bass. Since the frequency range extends down to 50Hz, the GEB-7 is also great for adjusting depth and bottom end of an upright bass with pickups.

50Hz to 10kHz frequency range specifically designed for bass
Full range response, even for five- and six-string basses
Can be used as a “boost” or “cut” pedal using the level control knob
Great for eletric-acoustic bass applications
AC adaptor or 9V battery operation

Specifications

Feature	Details
Nominal Input Level	-20 dBu
Input Impedance	1 M ohm
Nominal Output Level	-20 dBu
Output Impedance	1 k ohm
Recommended Load Impedance	10 k ohm or greater
Bypass	Buffered bypass
Controls	Level Control knob Equalizer Control knob 50, 120, 400, 500, 800, 4.5 k, 10 kHz Pedal switch
Indicator	CHECK indicator (Serves also as battery check indicator)
Connectors	INPUT jack: 1/4-inch phone type OUTPUT jack: 1/4-inch phone type DC IN jack
Power Supply	Carbon-zinc battery (9 V, 6F22) Alkaline battery (9 V, 6LR61) AC adaptor (PSA series: sold separately)
Current Draw	30 mA
Expected battery life under continuous use	Carbon: Approx. 8.5 hours Alkaline: Approx. 18.5 hours * These figures will vary depending on the actual conditions of use.
Accessories	Leaflet (“USING THE UNIT SAFELY,” “IMPORTANT NOTES,” and “Information”) Carbon-zinc battery (9 V, 6F22)
Options (sold separately)	AC adaptor: PSA series