Centrance PortCaster R4D; mobile audio interface; for recording with computer and mobile devices; ideal for podcast, live stream and video applications; A/D conversion: 24bit / up to 192kHz; Jasmine microphone preamp; Gain (Mic Pre): +0dB - +65dB; input impedance: 1kOhm; frequency range: 20Hz - 20kHz (+/- 0.5dB); +48V phantom power; MONO Blend Control; High Pass Filter; VelvetSound analog-to-digital converter; AmpExtreme headphone amplifier; adjustable zero latency monitor; Connectors: 2x Mic/Line/Instrument input (3-pin XLR); 1x Phone TRRS input (3.5mm jack); 1x stereo AUX input (3.5mm jack); 1x headphone output (3.5mm jack); 1x DSLR line/mic output (3.5mm jack); 2x USB-C port; optional SD card recorder (simultaneous recording to SD card and phone); Note: micro SD card not included; rechargeable battery with up to 8h runtime; battery rechargeable with standard USB charger (5V); Android, iOS, Mac OS, Windows compatible; including quick start guide, velvet carrying case, USB cable for charging or USB audio; dimensions (L x W x H): 121 x 70 x 36mm; weight: 260g