Saramonic SmartRig Di, 2-Channel Audio Interface, The simple solution for connecting a microphone or guitar via Apple Lightning with iPad, iPhone or iPod touch for the creation of high-quality audio files, XLR/TRS combo input, Powered via 9 V battery, Switchable 48 V phantom power, 3.5 mm Mini jack headphone output (in conjunction with apps), Adjustable gain, Frequency response: 20 - 20,000 Hz, +/- 0.5 dB, Gain: Up to 23 dBu, Signal-to-noise ratio: 80 dB @ 1 kHz -30 dBu input, Total harmonic distortion (THD) under 0.01% @ 1 kHz, -30 dBu input, Dimensions (L x W x H): 88 x 41 x 42 mm, Weight: 75 g