Saramonic SmartMixer 4C 4-channel Microphone Mixer Audio Interface The Saramonic SmartMixer 4C is a compact and lightweight 4-channel audio mixer specially designed for interviews, field recording, video content creation, filmmaking and more. Audio Input Connector: 1/8"(3.5mm TRS)jack ×2 XLR&6.35mm jack ×2 Audio Output Connector: 1/8”(3.5mm )jack Headphone Output Connector: 1/8”(3.5mm )jack Frequency Response: 22Hz-22kHz THD: Less than 0.01%, @1kHz, -30dB input Signal-to-noise Ratio: 77dBu Recording Format: WAV(44.1kHz/16-bit) Memory Card Support: Micro SD Card(Up to 128G) Phantom Power: For XLR jacks: 48V Power Supplies(Switchable) Power Requirement: 3.7V, 1200mA Built-in Li-ion Battery(Rechargeable) Maximum Power Consumption: 0.84W Weight(Kit): 516g(18.2 oz) Dimensions(Mixer): 118.1×83.0×48.2mm(4.7”×3.3”×1.9”)