Your Cart is Empty


Blackstar Polar 2 Audio Interface - 2 Channel w/ St James Plug-In

IN STOCK - Ships today if ordered before 1pm AEST

Pay With AfterPay Zip

Product Information

Blackstar’s mission with POLAR is to create the go-to audio interface for guitarists that seek the ultimate recording guitar tone.

POLAR 2 is a 2 channel USB audio interface built by guitarists for guitarists. It features 2 high headroom FET input channels for instrument, line and microphone, a high output headphone amp, +48V phantom power for condenser microphones, balanced outputs for professional monitoring, visual level meters and the proprietary “Enhance” switch.

POLAR comes bundled with the studio software collection including the full St. James Plugin Suite and everything you need to start recording now!


  • 2 channel audio interface designed for the recording guitarist.
  • High-headroom FET input stage that improves tone and quality of signal and accommodates for wide range of instrument types, effect pedals and microphones.
  • ‘Enhance’ feature that introduces electronics into the signal path that replicate the sound of a classic guitar amplifier.
  • ‘Enhance’ completely prevents digital clipping for instrument inputs. Drive this interface like it’s a real amp and be free of the fuss of setting the ‘correct’ levels.
  • ‘Enhance’ on the microphone or LINE inputs gives natural clarity and air to vocal and acoustic guitar performances.
  • The ‘Enhance’ feature negates the need for extra hardware and expensive DI’s to capture high quality guitar signal. It’s all built into POLAR.


  • Number of Microphone Preamps: 2
  • Phantom Power: Yes, 48V
  • Instrument Inputs: 2
  • Line Inputs: 2
  • Line Outputs: 2
  • Headphone Outputs: 1
  • Loopback: Yes
  • Connectivity: USB Type-C
  • Protocol: USB 2.0
  • Form Factor: Desktop
  • Simultaneous I/O: 4 x 4 (including Loopback inputs)
  • A/D Resolution: 24-bit/192 kHz
  • Bus Powered: Yes (960mA)
  • Supported Sample Rates:
    • 44.1kHz
    • 48kHz
    • 88.2kHz
    • 96kHz
    • 176.4kHz
    • 192kHz

Microphone Inputs

  • Frequency Response: 20-20kHz ±0.1dB
  • Dynamic Range: 109dB (A-Weighted)
  • THD+N: -101dB (-103dB A-Weighted); 0dB Gain, 950mVrms, 20Hz-24kHz BW
  • Noise EIN: -121dBu (A-Weighted)
  • Maximum Input Level: 2dBu
  • Gain Range: 53dB
  • Impedance: 3.3kΩ

Line Inputs

  • Frequency Response: 20-20kHz ±0.2dB
  • Dynamic Range: 112dB (A-Weighted)
  • THD+N: -85dB (-85dB A-Weighted); 8dB Gain, 380mVrms, 20Hz-24kHz BW
  • Maximum Input Level: 10dBu
  • Gain Range: 55dB
  • Impedance: 500kΩ

Instrument Inputs

  • Frequency Response: 20-20kHz ±0.2dB
  • Dynamic Range: 112dB (A-Weighted)
  • THD+N: -82dB (-81dB A-Weighted); 3dB Gain, 630mVrms, 20Hz-24kHz BW
  • Maximum Input Level: 10dBu
  • Gain Range: 46dB
  • Impedance: 500kΩ

Line Outputs (Balanced)

  • Frequency Response: 20-20kHz ±0.15dB
  • Dynamic Range: 93dB
  • THD+N: -80dB
  • Maximum Output Level: 12.8dBu
  • Impedance: 1kΩ

Headphone Outputs

  • Frequency Response: 20-20kHz ±0.15dB @ 33Ω / 300Ω
  • Dynamic Range:
    • 110dB @ 33Ω
    • 107dB @ 300Ω
  • THD+N:
    • -83dB @ 33Ω
    • -85dB @ 300Ω
  • Maximum Output Level:
    • 7dBu into 33Ω
    • 15.2dBu into 300Ω
  • Maximum Output Power:
    • 85mW into 33Ω
    • 66mW into 300Ω
  • Impedance: 10Ω


1 Year (Extended to 3 Years via Registration) Warranty

Shipping & Delivery

All orders over $100 will be automatically eligible for FREE Shipping Australia Wide, if you order is under $100 there will be a flat rate of $10.

Belfield Music is well known for its top online customer service. We treat all online customers with the same excellent service we give to our in store customer. We will ensure that you receive all the support you need while your goods are in transit and ensure the goods arrive promptly. All of our shipments have tracking numbers available and we cover every single unit by our own shipping insurance.     

Online orders are normally processed within 1-3 business days. Once processed, your order should take between 1-8 business days to arrive depending on your location. Please note that your order may take up to 10 business days to arrive from the day you place your order. 

If it transpires that the product is out of stock due to a stock discrepancy and/or there will be a delay in shipment, we will contact you within 2 business days of placing your order and give you the option of waiting or cancelling your order. The products we advertise online should show if they are in stock or not. We do our best to keep the website stock count up to date, but there may be an occasional error.

If you wish to utilize an Express Delivery Service to receive your item, please contact us for a shipping quote before you place your order at admin@belfieldmusic.com.au or by using the Chat icon on the bottom right of the page.           

Deliver is made during the hours from 8:00am till 5:30pm Monday to Friday. As such, please ensure you nominate an address which is capable of receiving goods during 8am and 5.30pm.  Given the restrictions on PO Box deliveries we cannot deliver larger sized items to a PO Box.

If for any reason our selected carriers don't service your area we will contact you before processing your order if this applys to you.

Returns Policy

If you wish to return an item which is not damaged or faulty in any way and you have simply changed your mind or made the wrong decision, you must let us know within 7 days of receiving the item.  We will not agree to refund an item because you simply changed your mind or made the wrong decision if we have not been advised of your intention within 7 days of receiving your item. Once we have provided a return authority, it is the buyer’s responsibility to return the item, at their own costs within 30 days from original purchase. If the item is returned with any damage or alteration to its original packaging, we will refund the item subject to applying a minimum 15% restocking fee.  We will not refund the costs of the initial shipping charges.

It is in Belfield Music best interests to keep our customers happy with their purchases. If you are not happy with your purchase, please talk to us first. We will always attempt to resolve any problems you may have as best we can. To contact us please email us at admin@belfieldmusic.com.au or by using the Chat icon on the bottom right of the page.