Video by Blackstar Amplification via YouTube
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POLAR 4 is the 4 channel version of the go-to audio interface for guitarists that seek the ultimate recording guitar tone.
It features 4 high headroom FET input channels for instrument, line and microphone, the proprietary “Enhance” switch which brings back the feel of a valve amplifier, prevents digital clipping and improves vocal and acoustic guitar performances, a MIDI In and Out for MIDI integration, and so much more.
Learn more: https://blackstaramps.com/polar/