firmware updates Compact and robust metal casing BT Wireless: 5.0 Dual-Mode (BLE & audio) Analog Input Connection Input: 1/4″ unbalanced (TS) Input Impedance: 1M Ohms Analog Output Connection Output: 1/4″ unbalanced stereo (TRS), compatible with headphones Output Impedance: 100 Ohms USB Recording: USB 2.0 Type-C Port Sample Rate: 44.1 kHz Depth: Supports 16-bit Size and Weight Dimensions: 93.5mm(W) x 42mm(D) x 52mm(H) Unit Weight: 237g Power Power Requirements: DC 9V center negative or USB 5V (not included) Current Consumption: 200mA (9V)