The Hollyland LARK Max Duo is a premium all-in-one wireless lavalier microphone system designed for content creators, videographers, and professionals needing broadcast-quality audio. Featuring industry-first MaxTimbre Mic technology, advanced ENC (Environmental Noise Cancellation), and 2.4GHz digital wireless transmission, it delivers crystal-clear sound with a range of up to 250m (LOS). Each transmitter includes 8GB internal storage offering up to 14 hours of backup recording, ensuring your content is never lost. With its AMOLED touchscreen receiver, ultra-compact design, and versatile connectivity including XLR, camera, and mobile device compatibility, the LARK Max Duo is ideal for interviews, vlogs, podcasts, streaming, and field production. Includes 2 transmitters, 1 receiver, and a charging case.

Transmitter:
• Dimensions: Approx. 48.5 x 30.3 x 19.37mm
• Weight: Approx. 33g
• Transmission Range: Up to 820ft (250m) LOS / 197ft (60m) NLOS
• Modulation Mode: GFSK
• EIRP: <20dBm
• Operating Frequency: 2400MHz–2483.5MHz
• Battery Type: RoHS-compliant LiPo
• Battery Capacity: 300mAh
• Battery Voltage: 3.87V
• Battery Energy: 1.161Wh
• Charging Temperature: 0° C to 45° C
• Operating Temperature: –20° C to 45° C
• Charging Time: <2 hours
• Operating Time: Approx. 7.5 hours
• Recording Time: Approx. 14 hours
• Recorded Audio Format: 48 kHz/24-bit WAV
• Mic Polar Pattern: Omnidirectional
• Mic Sensitivity: –36dBFS±1dB@1 kHz, 94dB SPL
• Input Dynamic Range: 98dB (Default) / 106dB (Max)
• Frequency Response: 20 Hz–20 kHz (Low Cut disabled)
• Signal-to-Noise Ratio: 70dB
• Sound Pressure Level: 120dB SPL (Default) / 128dB SPL (Max)
• Equivalent Noise: 24dBA

Receiver:
• Dimensions: Approx. 58 x 40.83 x 23.17mm
• Weight: Approx. 60g
• Touchscreen: 1.1" AMOLED
• Touchscreen Resolution: 126 x 294 pixels
• Modulation Mode: GFSK
• EIRP: <20dBm
• Operating Frequency: 2400MHz–2483.5MHz
• Battery Type: RoHS-compliant LiPo
• Battery Capacity: 490mAh
• Battery Voltage: 3.87V
• Battery Energy: 1.896Wh
• Charging Temperature: 0° C to 45° C
• Operating Temperature: –20° C to 45° C
• Charging Time: <2 hours
• Operating Time: Approx. 9 hours

Charging Case:
• Dimensions: Approx. 115 x 46 x 63mm
• Weight: Approx. 193.5g
• Battery Type: RoHS-compliant LiPo
• Battery Capacity: 2800mAh
• Battery Voltage: 3.85V
• Battery Energy: 10.78Wh
• Charging Time: <2 hours
• Operating Temperature: –20° C to 45° C
• Charging Temperature: 0° C to 45° C
• Max Charging Times: Approx. 2 x for 2 TX and 1 RX