Hollyland Solidcom C1-2S Full-Duplex Wireless DECT Intercom System with 2 Headsets (1.9 GHz) (1 Master+1 Remote)
Hollyland Solidcom C1-2S Full-Duplex Wireless DECT Intercom System with 2 Headsets (1.9 GHz) (1 Master+1 Remote) is backordered and will ship as soon as it is back in stock.
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The Hollyland Solidcom C1-2S is a true-wireless, full-duplex wireless intercom system designed for two-person crews—such as a single director and camera operator, a pair of stage technicians, or a two-person wedding videography team.
Operating on the license-free 1.9 GHz DECT 6.0 spectrum, this setup relies on a completely hubless architecture. Instead of requiring a bulky desktop base station, the system anchors its wireless connection entirely around a single Master headset. It provides a fluid, simultaneous talk-and-listen environment across an expansive operational radius, letting both operators communicate completely hands-free.
Core Hardware & Operational Strengths
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Hubless Architecture for Rapid Deployment: By tossing out a traditional desktop base station, the entire system is highly portable and can deploy in under a minute. One headset features a distinct red nameplate and serves as the Master router. The second remote unit features a blue nameplate and syncs directly to it automatically upon powering up.
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True Full-Duplex Dialogue: Functions exactly like an open phone call. Both users can speak and hear each other simultaneously without pushing buttons, completely avoiding the choppy, one-way constraints of traditional push-to-talk (PTT) walkie-talkies.
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Muscle-Memory Smart Muting: Toggling your live microphone is completely intuitive. Swiveling the microphone boom arm straight up past 30 degrees produces a physical click that instantly mutes your voice. Bringing the boom arm back down past your jawline opens the channel back up instantly.
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Acoustic Vocal Tuning: The internal drivers are custom-tailored with a 150 Hz to 7 kHz frequency response optimized specifically for vocal intelligibility. This acoustic profile aggressively filters out low-end camera rumble and high-end hiss, keeping dialogue crisp even on busy show floors.
Power Architecture & Battery Lifecycle
Because the Master headset (red nameplate) serves as the primary processing anchor and handles data routing for the remote unit, its power draw is substantially higher:
| Headset Role (Color Code) | Continuous Runtime | Batteries Included in Kit |
| Master Headset (Red) | Up to 5 to 6 Hours max per charge | 2 × 700mAh Lithium-Ion Cells |
| Remote Headset (Blue) | Up to 10 Hours max per charge | 2 × 700mAh Lithium-Ion Cells |
Technical Specifications Matrix
| Feature | Specification |
| System Out-of-the-Box Load | 1 × Master Wireless Headset + 1 × Remote Wireless Headset |
| Wireless Transceiver Standard | Secure Digital DECT 6.0 Platform (1.9 GHz Band) |
| Maximum Operating Range | Up to 1,000 Feet (300 Meters) Line-of-Sight (LOS) |
| Total Headset Weight | Only 170g (6oz) with a battery pack inserted |
| Full Battery Charging Window | ~2.5 Hours from dead to 100% capacity |
| Audio Distortion Curve | <1% Total Harmonic Distortion (THD) @ standard vocal frequencies |
What is Included in the Box
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1 × Solidcom C1 Master Wireless Headset (Red Accent Plate)
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1 × Solidcom C1 Remote Wireless Headset (Blue Accent Plate)
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1 × 4-Slot Central Battery Charging Station Dock
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4 × Rechargeable Lithium-Ion Battery Cells (2 active + 2 full spares)
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2 × Over-Ear Leather Acoustic Isolating Cushions
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2 × On-Ear Foam Open-Air Cushions
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2 × Microphone Windscreen Foams
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1 × Heavy-Duty Power Supply Adapter for Charging Dock
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1 × Hard-Shell Custom Storage Case
💡 Future Team Scaling Potential: Buying this 2-headset kit does not lock you into a small setup forever. Because the Master headset included in this package features the exact same hubless firmware architecture as larger bundles, it can scale up to accommodate up to 7 remote headsets simultaneously (an 8-person maximum crew ceiling). If your production team grows down the line, you can simply purchase standalone Solidcom C1 remote units, pair them directly to your existing Master headset using a USB cable, and expand your communication network seamlessly.




