SOLIDCOM M1 PRO-4B Hollyland 4 beltpack (cuffia singolo padiglione)

The Hollyland SOLIDCOM M1 PRO-4B is a professional full-duplex wireless intercom system designed for live events, production crews, broadcast teams and any scenario requiring reliable real-time communication. Operating in the 1.9 GHz band with a line of sight range of up to 400 meters, it delivers clear audio with advanced environmental noise cancellation and flexible group communication modes. Lightweight beltpack units with ergonomic controls and HD displays ensure intuitive use even in fast-paced environments.

KEY FEATURES

• Full-duplex communication: seamless two-way audio without push-to-talk delays.
• Extended wireless range: up to approximately 400 m LOS for wide open spaces.
• Group communication: configurable talk groups for team segmentation.
• Advanced ENC: dual-mic environmental noise cancellation for clear audio.
• Ergonomic design: beltpack units with intuitive buttons and secure clip.
• HD display: beltpack info at a glance.
• Removable batteries: up to 6 h runtime per battery.
• Flexible setup: configuration via base station, app or web interface.

TECHNICAL SPECIFICATIONS

• Operating frequency: 1.9 GHz full-duplex
• LOS range: up to ~400 m
• RF bandwidth: 1.728 MHz
• Modulation: GFSK
• Channels: up to 8
• Base station interfaces: PoE/LAN, RJ45 power, 2-wire/4-wire audio
• Beltpack interfaces: 3.5 mm and LEMO headset ports
• Battery life: up to 6 h each (2 per beltpack)
• Operating temperature: 0 °C – 45 °C
• Audio frequency response: 200 Hz – 7 kHz
• Total harmonic distortion: < 1 %
• Signal-to-noise ratio: > 55 dB
• Beltpack size: 105 × 65 × 22.4 mm approx.
• Beltpack weight: ~200 g

PACKAGE INCLUDES

• 1 × Base Station RRU
• 4 × Beltpack units
• 4 × Single-ear headsets
• Charging station for beltpacks
• 2 × High-gain antennas
• 1 × PoE adapter
• 1 × RJ45-to-Dual XLR cable
• 2 × AC power cables
• 1 × USB-A to USB-C cable
• 1 × 4-pin XLR adapter
• 1 × 3/8" mounting screw
• 1 × Crab clamp
• 1 × Hard protective case