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Blackstar Polar 4 USB Audio Interface
4-channel USB-C interface with FET high-headroom instrument/mic preamps, per-channel “Enhance” for amp-like feel, +48 V phantom power, dual headphone outs, 4 line outs, MIDI I/O, and bundled software.POLAR is THE audio interface that is specially designed to enhance your guitar DI signal in a way that brings back the coveted feel and response of playing through a real valve guitar amplifier.POLAR is equipped with FET instrument inputs, providing ultra-low noise and high headroom for the best sonic foundation for your guitar tone.With “Enhance” activated, you can capture guitar levels without worrying about digital clipping. This feature allows you to drive POLAR’s preamps like a real valve amp, making level adjustments easy and ensuring smooth handling of dynamic guitar signals, thus avoiding harsh tones and ruined takes.
World-Class Microphone Preamp
Inspired by renowned vintage studio preamps, POLAR’s microphone preamps deliver warm, rich tones and authentic character, enhancing the overall depth and quality of your sound.
Engaging “Enhance” gently lifts the top end of your signal, bringing out the natural clarity and air from vocal performances, acoustic instruments, and more.
Everything You Need to Record Guitar and Vocals
POLAR comes with a studio software collection including the St. James Plugin Suite (worth $129/£129/€129), Ableton Live Lite, ReLab LX480 Essentials Reverb, Melodyne Essential and more. Start making music now.
Blackstar’s versatile Polar Control mixing software is included, offering zero-latency monitoring and “loopback”, streamlining your signal routing workflow and eliminating the need for bulky hardware mixers, saving space in the studio and simplifying the recording and mixing process for an all-in-one solution.
With ultra-low noise and high headroom, POLAR effortlessly accommodates a wide range of microphone and instrument types, empowering the musician to achieve studio-quality recordings in any environment.
Exclusive to POLAR 4 is a MIDI In and Out port, enhancing the versatility of input/output options for musicians and producers who integrate MIDI devices into their creative workflows.
POLAR features high-output headphone amps and balanced monitor outputs each with their own level control, making it easy to mix levels when playing and recording.
POLAR 4 can run directly from your computer using USB 2.0 bus power with the supplied USB-A to USB-C cable. If your USB ports don't have enough power, you can instead use the DC 5V Input. Additionally there is a +48V switch for microphones that require phantom power.



