Skip to content
Chuck Levin's will be closed on Saturday, October 12th for Yom Kippur
Chuck Levin's will be closed on Saturday, October 12th for Yom Kippur

Positive Grid BIAS Head 600W Modeling Guitar Amp Head

Sold out
Original price $1,299.00 - Original price $1,299.00
Original price
$1,299.00
New: $1,299.00
Current price $1,299.00
Condition: New
About Inventory Status


Questions?
Call or text us at 301-946-8808.

In stock: It is in stock and available to ship or pickup. Apparel must be shipped from another location and is not available for in-store pickup. We can usually ship or have these items available for pickup by the next business day if they don't require inspection, special handling, or setup. Our pickup location is 11151 Veirs Mill Rd. Silver Spring, MD 20902.

📆 Preorder: It is on the way to our warehouse. We can't predict when preorder items will arrive due to current supply chain issues. If you place an order for one of these items someone will contact you to estimate the delivery date.

Out of stock: We don't currently have it available but you're not out of luck yet. We still may be able to get it. If you order one of these items we will contact you with an estimated fulfillment date. You have the option to cancel the order if you change your mind.

Special order: The item is so special that it needs to be custom ordered for you. Some of these items are works of art and have to be made individually. Orders for special order items must be prepaid and we cannot accept cancellations or refunds.

█ Sold out: We don't think we can get this item because it was either discontinued by the manufacturer or was limited in quantity. If you want or need this item call or text us. Sometimes we can help you track down the item through other sources or help you find something similar.

About Item Conditions


Questions?
Call or text us at 301-946-8808.

New: The item is brand new as received from the manufacturer with a full manufacturer warranty. Instruments such as guitars, snare drums, drum kits, brass and woodwind instruments may be opened for photography and quality control inspection and may not be in a factory sealed box.

Mint or Open Box: The item may have been opened and tested but has been repackaged. The original packaging may have superficial issues but the item itself and any originally included accessories are in perfect, like new condition.

Display Model: These items are so cool that we put them on display in our legendary shop. The condition is brand new as received from the manufacturer with manufacturer warranty. Rest assured, these items undergo a very careful inspection before shipping.

Demo: These items have been on our sales floor for demo purposes and will likely show signs of use. The original packaging may no longer be included, but you can be assured that you are receiving an awesome item and an awesome price.

Used: The item is used. These item may have varying degrees of wear. Please read the description for information about the condition of the item. Used items do not carry a warranty.

B or C Stock: Factory refurbished. These items were purchased from the manufacturer in a refurbished condition. They will show some cosmetic issues, but nothing that would impact performance. Being that these are sealed from the manufacturer, we generally do not open these to photograph the cosmetic issues. They are guaranteed to work and may have a limited warranty or you may purchase an extended warranty in some cases. Please see the listing description for item specific information.

Educational & Government Sales Quotes

Click here to inquire about an educational or government quote and discover more about our Educational & Government Sales Division.


Get Any Amp Tone In The World, Including The Cab And Even Mic Position With The Positive Grid BIAS Head 600W Modeling Guitar Amp Head

You can safely connect your cab into its powerful Class D 600 Watt RMS @ 8 Ohm. With the included BIAS Amp Pro software, you can share and download thousands of amp match models and save them right in the head.

NEW KIND OF AMP

Hardware and software beautifully integrated, BIAS Head allows you to design and match any amp tone on the fly, share and download Amp Match models in the cloud, and use that massive tone on a full-blown 600w RMS power amp.

AMP MATCH AND TONECLOUD

BIAS Head comes with Amp Match technology, which lets you precisely match the nuanced tone of any classic, modern or boutique amp and load custom cab and mic responses. You can share or download thousands of Amp Match models from ToneCloud.

PREMIUM COMPONENTS

The op-amps, passive components and A/D and D/A converters used are all top of the line. BIAS Head’s power amp is optimized to perform any BIAS Amp presets at the highest audio quality possible at any volume. It also provides zero latency performance due to its built-in interface.

INSANE POSSIBILITIES

The world’s first cross-platform guitar amplifier, BIAS Head integrates seamlessly with BIAS Amp for mobile and desktop use: you can design your custom amp and create Amp Match models in real time.

AMP MATCH

Amp Match lets you capture or download any tube amp tone and sync it with your desktop and mobile devices. You can then use the exact same tone with BIAS Head on stage, in the studio or while practicing at home.

AMP DESIGN

Design your custom dream amp and sync unique presets in real time. Swap out the virtual tube types, preamp, transformer, tone stacks, cab and mic position to create your own signature sound, with just a few taps or mouse clicks.

THOUSANDS OF AMPS

Download thousands of Amp Match models created by legendary recording artists and your fellow guitarists on ToneCloud, and sync the entire collection across your desktop and mobile devices and BIAS Head in a snap.

AMP MATCH

Amp Match technology precisely matches the nuanced tone of any classic, modern or boutique amp and loads custom cab and mic responses. There are hundreds of professional studio engineers and artists creating Amp Match models you can download.

AMP DESIGN

Swap out the virtual tube types, preamp, tone stacks, power amp, transformer, cab and mic position to create your own signature sound, component by component.

THOUSANDS OF AMPS

Share your own custom presets, and download thousands of virtual amps created by signature recording artists and other guitarists around the globe via our hugely popular ToneCloud network.



  • BIAS Head works with standard 8 to 16 ohm cabs.
  • BIAS Head is a solid state amp, therefore it requires more wattage than traditional tube amps to achieve more headroom and better tone in a live situation.
  • BIAS Head is a standalone amp that comes with 25 fully tweakable presets. In addition, you can expand your tone possibilities with BIAS Amp software for both amp design and amp match.
  • You can turn on/off your cab in BIAS Head settings.
  • The difference is that BIAS Head’s power amp is optimized to perform any BIAS Amp presets at the highest audio quality possible at any volume. It also provides zero latency performance due to its built-in interface. Everything in an all-in-one standalone unit.
  • BIAS Head is designed for both guitar and bass use


  • Power Amplifier: 600 Watt RMS @ 8 Ohm
  • Voltage and Frequency: 100-240V AC, 50-60 Hz
  • Dimension (H x W x D): 7.5 x 12 x 6 in. (314 x 190 x 153 mm)
  • Weight: 17 lbs. (7.7kg)
  • Instrument input: 1/4 inch, Hi-Z impedance
  • Effect loop: 1/4 inch, send and return
  • Headphone output: 1/4 inch TRS
  • Direct output: XLR balanced and 1/4 inch unbalanced
  • External Pedal: 1/4 inch TRS
  • MIDI: 5-pin connectors for In/Out/Thru
  • USB: Connect with BIAS Mac and Windows
  • Bluetooth: Connect with BIAS iPad


Manufacturer: Positive Grid
Model: BIASHEAD
SKU: I442917-0-WHXB


We are Chuck Levin's Washington Music Center

Maryland, Virginia, and Washington DC's legendary music shop. Family-owned and operated since 1958. Buy gear the way it was meant to be bought, from a store that's been there through it all and has the vibe to prove it. We're staffed with musicians and industry experts, people that live and breathe music gear. Our mission is to help you find the right gear for your project, that thing that will bring you the most joy out of what you do. We're an authorized dealer for almost every brand, we stock items the other stores don't, so you can try before you buy. Stop by our Wheaton, MD showroom and see for yourself.

Contact us if you have questions about one of our listings or if you need help finding the right piece of gear.

Free Shipping

Offered for thousands of items when you spend $100+

Questions?

+1 (301) 946-8808

Get A Quote

Get an educational or government quote

Easy Returns

Learn about returns.