Hollyland LARK MAX 2 Ultimate Combo Wireless Microphone System, Noise Cancellation, 32-Bit Float Audio, 2 Compact Transmitters with Mics & 2 OWS Wireless Monitor Earphones, Space Gray | AWP015335

Specification Mic Sensitivity -37 dBV ± 2 dBV @1 kHz, 94 dB SPL Wireless Modulation Mode GFSK 2 Mbps Wireless Transmission 2.4 GHz Adaptive Frequency Hopping (AFH) Transmission Range TX: 1,115 ft (340 m) LOS / 197 ft (60 m) NLOSOWS Monitor Earphone: 328 ft (100 m) LOS / 197 ft (60 m) NLOS Mic Polar Pattern Omnidirectional Frequency Response 20 Hz – 20 kHz Signal-to-Noise Ratio ≥ 72 dB Max SPL 128 dB SPL Sample Rate & Bit Depth 48 kHz / 32-bit Float & 48 kHz / 24-bit Battery Voltage TX: 3.87 VCamera RX: 3.87 VCharging Case: 3.8 VOWS Monitor Earphone: 3.7 VEarphone Charging Case: 3.7 V Battery Capacity TX: 167 mAhCamera RX: 300 mAhCharging Case: 2000 mAhOWS Monitor Earphone: 90 mAhEarphone Charging Case: 500 mAh Operating Time TX: ~11 hrsCamera RX: ~12 hrsOWS Monitor Earphone: ~18 hrs Charging Cycle Charging Case: > 2.5x (2 TX + Camera RX)Earphone Charging Case: > 1.8x (2 OWS Earphones) Charging Time TX: ~1.5 hrsCamera RX: ~1.5 hrsCharging Case: ~2 hrsOWS Earphone: ~1.6 hrs Charging Temperature 0 ~ 45°C Operating Temperature -10 ~ 55°C