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Based on price data from 2 merchants for "Positive Grid BIAS Mini 300-Watt Bass Head". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
The Positive Grid BIAS Mini 300-Watt Bass Head is a compact powerhouse designed for bassists who crave versatility without the burden of hefty equipment. Weighing in with the capability to deliver a robust 300 watts, this mini bass amplifier is more than capable of driving any 4-, 8-, or 16-ohm speaker cabinet with ease. At the heart of its innovation lies the BIAS Amp Pro software, which allows you to craft and fine-tune your custom amplifier designs, offering an unmatched level of control over your sound. Whether you're capturing the essence of your favorite vintage amp or exploring entirely new tonal landscapes, the BIAS Mini Bass Head is your gateway to sonic freedom.
With the ability to store up to eight presets, you can seamlessly switch between tones in an instant—ideal for dynamic live performances. The amplifier's Amp Match technology is a standout feature, enabling you to replicate the sound of any amplifier you love, making it an invaluable tool both on stage and in the studio. Plus, with access to the expansive BIAS ToneCloud, you can download thousands of custom amp models crafted by musicians around the world, or share your own creations with the community.
The BIAS Mini Bass also integrates effortlessly with external gear, featuring an effects loop for pedalboard integration, a built-in noise gate, and a direct output for PA systems or recording setups. Its connectivity options, including USB and Bluetooth, ensure that you can manage your presets and updates on the fly, even from your iOS device.
Key Features:
- 300-watt power amplifier suitable for 4-, 8-, or 16-ohm cabinets
- Integration with BIAS Amp Pro software and app
- Stores 8 customizable presets
- Amp Match technology for tone replication
- Access to thousands of amp models via ToneCloud
- USB and Bluetooth connectivity
- Built-in noise gate and effects loop for versatility
- Direct output for seamless PA system integration
- MIDI input for expanded control options
Product specs
| Type | Solid State |
| Number of Channels | Single, 16 onboard presets |
| Output Power | 300W @ 4 ohms, 150W @ 8 ohms |
| Compression | Compressor/Noise Gate (Bias Amp software) |
| EQ | 3-band EQ (built-in), 2 x 8-band Parametric EQ (Bias Amp 2 Pro) |
| Amp Modeling | Amp Match technology (Bias Amp software) |
| Inputs | 1 x 1/4" (instrument) |
| Outputs | 1 x SpeakON-1/4" combo, 1 x XLR (line out) |
| Headphones | 1 x 1/8" |
| Effects Loop | Yes |
| USB | 1 x Type B |
| Bluetooth | Yes |
| MIDI I/O | 2 x 1/8" (In, Out) |
| Footswitch I/O | 1 x 1/4" TRS (presets, tones) |
| Footswitch Included | No |
| Software | Bias Amp 2 Pro (desktop), ToneCloud (online access) |
| Cooling System | Over-temperature Protection, Side/Rear Air Vents |
| Power Source | Standard IEC AC cable |
| Height | 2.12" |
| Width | 10.5" |
| Depth | 9.5" |
| Weight | 5.2 lbs. |
FAQs
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What is the output power of the Positive Grid BIAS Mini 300-Watt Bass Head?
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The Positive Grid BIAS Mini 300-Watt Bass Head delivers 300 watts of power at 4 ohms and 150 watts at 8 ohms, making it suitable for various performance settings.
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Does the Positive Grid BIAS Mini Bass Head support amp modeling?
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Yes, this bass head features Amp Match technology via the BIAS Amp software, allowing users to model and match different amplifier tones.
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Can I use the Positive Grid BIAS Mini Bass Head with headphones?
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Yes, the amp includes a 1/8" headphone output, enabling silent practice sessions.
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Is there an effects loop on the Positive Grid BIAS Mini Bass Head?
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Yes, the Positive Grid BIAS Mini Bass Head includes an effects loop, allowing you to integrate external effects into your signal chain.
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Does the Positive Grid BIAS Mini Bass Head have Bluetooth connectivity?
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Yes, the amp features Bluetooth connectivity, providing convenient wireless control and streaming options.
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What software comes with the Positive Grid BIAS Mini Bass Head?
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The amp comes with BIAS Amp 2 Pro software for desktop use and access to ToneCloud for online tone sharing and downloading.
Videos
Positive Grid
BIAS MINI Bass Amplifier Overview | Positive Grid
Reviews
PROS
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Versatile amp modeling software BIAS Amp2 included
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Easy preset changes via Positive Grid ToneCloud
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Powerful 300-Watt output in a compact design
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Exceptional tone crafting capabilities with Amp Match
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Portable, significantly reducing gear load for gigs
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Bluetooth and MIDI for easy control and tone loading
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Can accurately model and improve upon original amp sounds
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Suitable for both bass and guitar, enhancing versatility
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Offers a wide tonal palette with sixteen presets
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Built-in parametric EQ for in-depth tone shaping
CONS
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Warranty does not cover second-hand purchases
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Initial setup can be complex, requiring software tweaking
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Amp matches may need adjustments when exported to hardware
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Learning curve to fully utilize amp building features
Critic Reviews
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