GR Bass ONE800
Professional music gear - detailed information and where to buy
GR Bass
ONE800
Product Info
* Prices may vary. Check retailer for current pricing and availability.
The GR Bass ONE800 is a seriously powerful little head – it’s a great option for gigging bassists needing a lightweight, reliable amp for medium to large stages. The selectable mid frequencies give you a surprising amount of tonal flexibility, making it versatile across many genres, particularly modern rock and funk.
Product Description
- GR Bass ONE800
- Amp Head for Electric Bass
- Power (RMS): 800 W
- Impedance: 4 Ohm
- Controls: Gain
- Mid Low
- Mid High
- High
- Volume DI
- Headphones Volume
- Master volume
- 3 Selectable frequencies for mid low: 185
- 800 Hz
- 3 Selectable frequencies for mid high: 600
- 1200
- 1800 Hz
- Deep and Bright Boost switches on each channel
- Pure Sound switch (EQ Bypass)
- Switchable LED/Fan Mode
- Mute switch
- Ground lift
- DI pre/post and power switch on the back
- Effects loop: Serial
- Front connectors: Input
- aux in
- headphones out
- Rear connectors: FX Loop (Send
- Return)
- XLR DI-Out
- Dimensions (W x D x H): 265 x 220 x 58 mm
- Weight: 2.2 kg
- Colour: Black
- Made in Italy
PROS
- • Impressive 800W RMS power handles large venues with ease
- • Italian build quality suggests robust internal components and durability
- • Flexible EQ with selectable mid frequencies allows for tonal sculpting
- • Serial effects loop preserves signal integrity for pedal effects
CONS
- • Solid-state design might lack the warmth of a tube amp for some players
- • Compact size could be limiting for those needing extensive rear panel connectivity
- • Lacks a master EQ section, relying solely on channel-specific EQ
Product Video
Key Features
Power (Watts)
800
EQ Bands
5
DI Output
XLR
Effects
Serial
Speaker Output
4 Ohm
Weight
2.2 kg
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Frequently Asked Questions
The DI is clean and well-defined, suitable for recording or sending to FOH, but it won’t have the character of a high-end preamp – it's a functional, solid DI.
They're genuinely useful; the ranges cover a good portion of the spectrum and allow for targeted adjustments to address muddiness or lack of clarity.
It completely bypasses the EQ section, giving you a truly uncolored, direct signal – excellent for comparing the amp's natural sound or using with external EQ.
