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Blackstar’s mission with POLAR 4 is to create the go-to audio interfaces for guitarists that seek the ultimate recording guitar tone. POLAR is 4 channel USB audio interface built by guitarists for guitarists. It features 4 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.
The 2 or 4 channel USB audio interfaces for guitarists with FET input stage.
Enhance feature engages circuitry that replicates input stage of a valve amplifier, eliminates digital clipping and gives clarity to vocal and acoustic performance.
Studio software collection including the St. James Plugin Suite (worth $/£/€129), Ableton Live Lite, ReLab LX480 Essentials Reverb, Melodyne Essential and more. Everything you need to record.
| Number of Microphone Preamps | 4 |
| Phantom Power | Yes, 48V |
| Instrument Inputs | 4 |
| Line Inputs | 4 |
| Line Outputs | 4 |
| Headphone Outputs | 2 |
| MIDI | Midi In / Midi Out – 8 Pin DIN |
| Loopback | Yes |
| Simultaneous I/O | 6 x 6 (including Loopback inputs) |
| A/D Resolution | 24-bit/192 kHz |
| Supported Sample Rates | 44.1kHz, 48kHz, 88.2kHz, 96kHz, 176.4kHz, 192kHz |
| Frequency Response | 20-20kHz |
| Dynamic Range | 109dB (A-Weighted) |
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