The Hollyland LARK M3 Combo 2TX & 4RX is a 1-to-many wireless microphone system designed for multi-camera video, switcher setups, and direct monitoring. Two 9g transmitters broadcast audio simultaneously to up to four USB-C receivers. Featuring Smart Role Assignment, 48 kHz / 32-bit float output, and 3-level AI noise reduction, it allows multiple devices (smartphones, tablets, and computers) to capture the same dialogue without external splitters.
Key Features
- 1-to-4 Audio Broadcast: A single transmitter pairs with up to 4 receivers simultaneously; 2 transmitters broadcast to all 4 USB-C receivers.
- Smart Role Assignment: Assigns 1 Primary Receiver to adjust TX settings (noise cancellation, mute, gain) and 3 Secondary Receivers for audio monitoring; switches automatically if the primary unit goes offline.
- 48 kHz / 32-Bit Float Audio: 125 dB Max SPL and ≥ 70 dB SNR prevent clipping (32-bit float supported via compatible apps on Apple devices; Android supports up to 24-bit).
- AI Noise Cancellation: Selectable 10 dB, 15 dB, and 20 dB noise reduction modes.
- 9g Magnetic TX: Lightweight button profile (D26.5 × 10 mm) with magnetic attachment.
- 300m (1,000 ft) Range: 2.4 GHz AFH with RF interference rejection.
- Unified Charging Case: Holds and charges 2 transmitters and 4 USB-C receivers.
Technical Specifications
- Wireless Technology: 2.4 GHz Adaptive Frequency Hopping (AFH)
- Transmission Range: Up to 300m (1,000 ft) LOS
- Polar Pattern: Omnidirectional
- Frequency Response: 20 Hz – 20 kHz
- Sample Rate / Bit Depth: 48 kHz / 24-bit & 48 kHz / 32-bit float
- Max SPL: 125 dB SPL
- Signal-to-Noise Ratio (SNR): ≥ 70 dB
- TX Sensitivity: -37 dBV ±2 dBV @ 1 kHz, 94 dB SPL
- Gain Adjustment: 6 levels via LarkSound app
- Battery Runtime: TX: ~8 hours
- Battery Capacity: TX: ~95 mAh | Case: ~1800 mAh
- Charge Time: TX: ~1.5 hours | Case: ~2.5 hours
- Dimensions: TX: D26.5 × 10 mm | USB-C RX: 40 × 16.5 × 9 mm | Case: 155 × 102 × 56 mm
- Weight: TX: ~9 g | USB-C RX: ~5.9 g | Case: 311 g
What’s in the Box
- 2× Transmitter (TX)
- 4× USB-C Receiver (RX)
- 1× 2TX & 4RX Charging Case
- 2× Magnet
- 2× Furry Windshield
- 1× USB-C to USB-C Cable
- 1× Carrying Bag
- 1× Packing List Card, Warranty Card, Compliance Card, Quick Guide
