The transmitters act as a clip-on microphone, featuring a high-quality in-built microphone for completely wireless operation, or they can be used as a beltpack with an external lavalier, delivering crystal-clear audio for any content creation application.  The Wireless GO II boasts a range of powerful new features, including universal compatibility with cameras, mobile devices and computers, extended range (200m line of sight) and improved transmission stability, on-board recording capabilities, and much more. This is next generation wireless audio.  Features Dual channel wireless microphone system for recording two sound sources simultaneously Series IV 2.4GHz digital transmission, 128-bit encryption – crystal-clear audio at up to 200m (line of sight), optimised for extremely stable operation in dense RF environments 3.5mm TRS analog output, USB-C and iOS digital output – universal compatibility with cameras, mobile devices and computers Mono or stereo recording modes – record each channel separately or combine them for ultimate flexibility in post-production On-board recording capability – record up to 24 hours of audio direct to each transmitter Safety channel, flexible gain control – three-stage pad, expandable to 10-stage pad Complete control over all features and functions via RØDE Central app In-built rechargeable lithium-ion batteries – up to 7 hours battery life Designed and made in RØDE’s precision manufacturing facilities in Australia Specifications Acoustic & Electrical Specifications Acoustic Principle: Pre-polarised pressure transducer Polar Pattern: Omnidirectional Frequency Range: 50Hz – 20kHz Maximum SPL (Mic): 100 dB SPL (1kHz @ 1m) dBu Maximum Input Level (3.5mm): -20dBV Microphone Preamp Gain: 20dB Equivalent Noise Level (A-Weighted): 22dBA Power Requirements: In-built rechargeable lithiumion battery charged via USB 5V, 0.3A Operating Time: Up to 7 hours Analog Inputs: 3.5mm TRS (lavalier microphone input) Analog Outputs: 3.5mm TRS Transmission Range: 200m (line of sight) Computer Connectivity: USB Type-C OS Requirements: macOS 10.11 above Windows 7 and above Mechanical Specifications Weight (g): TX: 30g RX: 32g Dimensions (L x W x H, mm): TX Length: 44 Width: 45.3 Height: 18.3; RX Length: 44 Width: 45.5 Height: 18.3 In the Box 1 x Dual Channel Wireless Receiver 2 x Transmitters 3 x SC20 (USB-A to USB-C) 1 x SC5 (3.5mm TRS to TRS) 3 x Furry Windshields 1 x Carry Pouch Watch: Introducing the Wireless GO II