Hollyland Solidcom C1 Pro-4S Full-Duplex Wireless Intercom System with 4 Headsets

Hollyland Solidcom C1 Pro-4S Full-Duplex Wireless Intercom System with 4 Headsets

  • Two-Mic Environmental Noise Cancellation
  • Reliable 1.9 GHz DECT 6.0 Technology
  • True-Wireless Headset, No Bodypack
  • Comfortable Single-Ear Headset Design
  • Wide Frequency Response for Clear Audio
  • 1100' 2-Way Operating Range
  • Mute/PTT Button or Rotate Boom to Mute
  • Includes Batteries and Charger
Availability: In stock
UPC: 191460003097

The Hollyland Solidcom C1 Pro-4S Full-Duplex Wireless Intercom System with 4 Headsets is a full-duplex wireless DECT intercom system built to give clear audio and all-day wearing comfort in a true-wireless design without the need for a bodypack or hub. It has dual-mic Environmental Noise Cancellation (ENC) for use in noisy locations. This package includes four single-sided headsets, one master and three remotes, rechargeable batteries, a charger, and accessories. The system transmits in the 1.9 GHz band and employs proven DECT 6.0 technology to enable secure and dependable transmission at a line-of-sight range of up to 1100 feet, making it suitable for a wide range of applications including film/TV production, concerts, and live events.

Effortless Conversation Flow
Hands-free operating increases team efficiency. Each headset is developed with a dual-antenna diversity strategy that strengthens anti-interference capacity, ensuring secure and continuous team communication in difficult conditions.

Wireless Self-contained Headset
It offers a highly portable and hands-free coordinating experience for media production teams or any team seeking real-time, non-blocking audio communication in socially dispersed working situations.

Comfortable to Wear All Day Long
Each individual headset weighs only 168g, which is lighter than an iPhone12, making long-term wear comfortable. The headset is expertly built from PC-ABS components, ensuring exceptional flexibility and durability.

Rechargeable & Replaceable Battery
Each intercom headset includes a spare lithium battery for easy replacement in the field, ensuring minimal system downtime.

Wideband Clear Audio Quality
The Solidcom C1 intercom headsets include a Wideband frequency response from 150Hz to 7KHz with excellent AEC (Acoustic Echo Cancellation) performance for authentic and clear audio quality for effective teamwork. Fitted with a directional microphone that perfectly catches the speaker's voice while suppressing background noise, the device facilitates effortless conversation even in crowded surroundings.

Two-Way Communication
The Solidcom C1 master headset's integrated transceiver enables a reliable wireless communication range of up to 350m (350m). At a significant event, filming location, or large-scale operation, the team can remain linked and move freely.

Enhanced Stability and Security 
Based on the robust DECT 6.0 platform, the Solidcom C1 employs Encryption Technology to prevent others from overhearing your conversation and provides great transmission stability with quadrupled user capacity on the communication channel.

In the box
Hollyland Solidcom C1 Pro-4S Full-Duplex Wireless Intercom System with 4 Headsets
Master Headset
3 x Follower Headset
Charging Case
4 x Over-Ear Leather Cushion
4 x On-Ear Foam Cushion
4 x Mic Windscreen
8 x Battery
USB Type-A to USB Type-C Cable
Power Adapter
Storage Case
Limited 1-Year Manufacturer Warranty
Number of Included Headsets
4 x Single-Sided Headset
Users per System
Wireless Connectivity
Wireless Technology
Digital DECT (1.9 GHz)
DECT Standard
Operating Range
1100' / 335.3 m
Max Transceivers per Band
Wireless Modulation
Analog: GFSK
Duplex Mode
Full-Duplex (FDX)
Approximate RF Sensitivity
-90 dBm
Mobile App Compatible
*As of February, 2023: Check with manufacturer for the most up-to-date compatibility
Earpiece Design
On-Ear (Supra-Aural) / Over-Ear (Circumaural)
Earpiece Connection / Wearing Style
Number of Earpieces
Single Earpiece (Left or Right Side)
Sound Field
Controls/Microphone Location
Controls: Adjusspecs Boom, Earpiece (Side Unspecified)
Microphone: Earpiece (Side Unspecified)
Frequency Response
150 Hz to 7 kHz
Total Harmonic Distortion (THD)
Maximum Sound Pressure Level (SPL)
115 dB
Headphones:>71 dB
Electret Condenser
Mic Boom Location
Interchangeable (Left or Right Side)
Pickup Pattern
Cardioid (Unidirectional)
Noise Canceling
Maximum SPL
115 dB
Wired Connectivity
Audio Connector to Source
Battery Type
Headset:1 x 26650
Battery Chemistry
Capacity (mAh)
700 mAh
Headset:10 Hours
Operating Temperature:32 to 113°F / 0 to 45°C
Storage Temperature: 14 to 140°F / -10 to 60°C
Water Resistance
IP Rating
6 oz / 170 g (with Batteries)
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