🎧 Synco XTALK MASTER4 Wireless Full-Duplex Intercom System (4 Headsets)

The Synco XTALK MASTER4 is a professional wireless full-duplex intercom system designed for reliable, real-time team communication. Supporting up to 8 users per system and supplied with 4 over-ear headsets, it is ideal for film crews, live events, broadcasting, and production environments.

👥 System Capacity

• Users per system: up to 8
• Included headsets: 4 × single-sided wireless headsets
• Base station: Not required

📡 Wireless Performance

• Wireless technology: Digital 2.4 GHz
• Operating range: up to 500 m / 1640 ft (line of sight)
• Duplex mode: Full-Duplex (FDX) — simultaneous talk & listen
• Latency: approx. 45 ms
• Max users per band: 8
• RF sensitivity: approx. -90 dBm
• Encryption: No
• Mobile app support: Yes (Android & iOS)

🎧 Headset Design

• Earpiece design: Over-ear (circumaural)
• Wearing style: Headband
• Number of earpieces: Single-ear
• Sound field: Mono
• Controls & microphone: Integrated on earpiece

🔊 Headphone Performance

• Frequency response: 150 Hz – 7 kHz
• Maximum SPL: 98 dB
• Total harmonic distortion (THD): 1%
• Signal-to-noise ratio (SNR): ≥65 dB

🎙 Microphone

• Microphone type: Condenser
• Boom position: Interchangeable (left or right side)
• Noise-cancelling: Yes
• Maximum SPL: 115 dB SPL

🔌 Connectivity

• Audio connectors: None (fully wireless operation)
• Internal earpiece connector: 3.5 mm

🔋 Battery & Power

• Battery type: Built-in rechargeable battery
• Battery chemistry: Lithium-ion
• Capacity: 1050 mAh
• Runtime: up to 15 hours
• Recharge time: approx. 2.5 hours

🌡 Operating Conditions

• Operating temperature: 0 to 45 °C (32 to 113 °F)
• Storage temperature: -20 to 60 °C (-4 to 140 °F)
• Environmental resistance: No

✅ Key Features

• Supports up to 8 users per system
• Includes 4 over-ear wireless headsets
• Full-duplex communication with low latency
• Long wireless range up to 500 meters
• Comfortable over-ear design for long sessions
• Noise-cancelling condenser microphone
• No base station required