Positive Grid Bias Head Guitar Amp
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600-watt Amp Match Amplifier Head w/cover
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- SKU
- BIAS-Head
. Description
Positive Grid BIAS Head Guitar Amp
The BIAS Head delivers responsive, articulate amplification in a compact toaster-sized form factor that weighs just 11.6 pounds. Its intuitive front-panel controls—gain, bass, middle, treble, presence, master, and Modern/Vintage voicing switch—let you dial in everything from pristine cleans to saturated drives without diving into menus. The amp captures legendary tube amp character while offering the flexibility of digital modeling, letting you experiment with speaker simulations and mic placements in real-time to shape recordings on the fly.
Power & Connectivity for Studio Integration
The 600W Class-D power amp delivers 850W at 4Ω, 600W at 8Ω, and 300W at 16Ω speaker output, providing headroom for both monitoring and live recording scenarios. Connectivity spans dual L/R line outputs (XLR and TRS jacks), headphone output for zero-latency tracking, mono effect loop, MIDI in/out/thru, USB for Mac/PC, Bluetooth wireless, and two footswitch inputs—giving you multiple routing options for recording direct, blending with cabinet IRs, or running through a speaker cabinet during tracking sessions.
Sound Design & Preset Workflow
Twenty-five onboard custom amplifier presets provide immediate starting points for session work, while nine built-in reverbs add spatial character and context to your recordings. The included BIAS Amp Pro software license unlocks component-level amp design capability from the front panel, letting you modify and create custom presets that capture your exact sonic vision and save them for consistent recall across multiple takes and projects.
Key Features
- 600W Class-D power amp with 850W at 4Ω output
- 25 onboard custom amplifier presets
- Front-panel controls: gain, bass, middle, treble, presence, master, Modern/Vintage voicing switch
- Nine different built-in reverbs
- Dual XLR and TRS line outputs plus headphone output
- Mono effect loop with TS jacks
- MIDI in/out/thru connectors
- USB connectivity for Mac and PC
- Bluetooth wireless capability
- Two footswitch inputs (TRS jacks)
- Full BIAS Amp Pro software license included
- Weighs 11.6 pounds with compact form factor
The BIAS Head pairs lightweight portability with serious amplification and studio-focused connectivity, making it equally suited to bedroom recording setups and professional tracking environments.
More Information
| Condition | New |
|---|---|
| Country of Manufacture | Taiwan |
Reviews
At a Glance
The BIAS Head is a 600W modeling amp head that captures tube amp character with component-level sound design, letting you dial in studio-perfect tones and export them across sessions via the included BIAS Amp Pro software. Its dual XLR/TRS outputs and USB connectivity make direct recording seamless, while 25 custom presets and nine reverbs provide immediate starting points for any tracking or mixing scenario. Pick it for flexible amp modeling that sits naturally in a mix, quick preset recall, and the depth to sculpt your own tones without leaving the console.
Who This Is For
Great for
- ✓ Studio Sessions
- ✓ Home Recording
- ✓ Live Performance
- ✓ Gigging
Skill level: Intermediate · Advanced · Professional
Frequently Asked Questions
What's included in the BIAS Amp Pro software license?
The full BIAS Amp Pro software license is included with the BIAS Head, unlocking component-level amp design capability so you can modify existing presets or create custom amplifiers from scratch that capture your exact sonic vision.
Can I record direct to a computer or audio interface?
Yes. The BIAS Head includes USB connectivity for Mac and PC, plus dual XLR and TRS line outputs, allowing you to record directly into your DAW or route the amp to an external interface or PA system.
How much power does this amp deliver, and is it enough for live performance?
The 600W Class-D power amp outputs 850W at 4Ω, 600W at 8Ω, and 300W at 16Ω, providing serious headroom for both intimate studio sessions and professional stages, and you can run it with or without an external speaker cabinet.
What controls are on the front panel?
Front-panel controls include gain, bass, middle, treble, presence, master volume, and a Modern/Vintage voicing switch—all the essential tone-shaping tools without requiring menu navigation.
Can I use wireless footswitches or MIDI controllers?
The BIAS Head includes two TRS footswitch inputs for wired control, plus MIDI in/out/thru connectors and Bluetooth wireless capability for flexible live or studio control options.
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