GRBass ONE 1400 Watt bass guitar amplifier head, black

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If you're looking for a fiercely powerful but highly functional amp head that will put your bass sound up front, then the 1400 Watts (4 Ohm) that the GRBass ONE is capable of might just do it for you. As well as robust, pure bass sounds, any self-respecting bassist still wants an array of practical functions and this head offers both, confirming that GRBass founder, Gianfranco Rizzi, is not only a technician but an especially astute musician.

ONE 1400: an array of functions in one

Once you're plugged in, you can check your tuning with the centred LED-lit tuner before toggling your output with the gain pot on the front panel of the GRBass ONE 1400. Don't be afraid to push your overall gain since the VU-meter will make sure there's no unwanted clipping. This head has 2 channels, each with a master volume pot to get your levels just right. Fine tune the result with the potent 4-band equalizer and the two 3-way frequency selector switches that toggle the 'midHIGH' and 'MIDlow', giving you complete control over your base sound. If you're a jobbing musician, flipping through genres on a daily basis, this might just be the powerful work-horse you need. 

Or just pure sound ...

When you need a more clean, dry sound, you can bypass the 4-band EQ completely by flipping the 'Pure' switch. For more highs, hit the 'Bright' switch and throw in more lows with the 'Deep' switch. The ONE 1400 also has a DI out with adjustable volume and pre/post switching and the headphone output has it's own volume control. There's also an endlessly useful aux input so you can connect your phone or laptop for solo rehearsals. In the middle of the control panel, is an LED lit tuner to keep you in check and if you want to add an external (max 300 mA) stompbox, jack it through the effects loop or straight into the input and power it via the 9V output on the back.