Up to 9 hours of battery life per full charge for each transmitter With a 120 dB SPL (Sound Pressure Level) capacity, it handles loud sounds with ease, eliminating distortion, even during sudden spikes. Designed for creators who demand clarity, the LARK A1s adaptive noise cancellation system filters out distractionsfrom wind and traffic to hums and reverberation. Say goodbye to unexpected audio peaks. The LARK A1's intelligent Auto-Limit feature smooths out volume spikes in real time, preserving clarity and stability in every take. Capture every sonic detailfrom deep bass to shimmering highswith pristine, 48 kHz / 24-bit high-resolution audio. Engineered for accuracy, the LARK A1 faithfully preserves the full range of your voice and environment.