Hollyland Solidcom C1 Pro Full-Duplex ENC Wireless Intercom Master Headset (Dual-Ear)

The Hollyland Solidcom C1 Pro Full-Duplex ENC Wireless Intercom Master Headset (Dual-Ear) serves as the central hardware backbone, cryptographic router, and audio processing hub for high-noise live production environments.

Unlike standard remote headsets, the Master unit houses the primary transceiver brain that builds and manages the local encrypted communication grid right on your head—eliminating external base stations or bodypacks. The Dual-Ear (Double-Ear) design provides acoustic isolation, making it the perfect choice for directors, technical producers, and stage managers who need to coordinate teams while stationed in loud concert venues, sports arenas, or industrial sets.

Pro-Tier Audio & System Routing Features

• Dual-Ear Acoustic Isolation: By covering both ears, this closed-back headset delivers physical, passive noise reduction. This prevents intense environmental noise from leaking in, allowing you to clearly hear your crew's talkback lines without cranking the volume to unsafe, distorting levels.

• Active Environmental Noise Cancellation (ENC): Features a specialized dual-microphone array. The primary directional mic tracks your mouth, while an omnidirectional secondary mic on the chassis samples ambient room noise. The internal algorithm instantly strips away up to 20dB of low-frequency background racket, delivering clean vocal lines to the rest of your crew.

• Versatile Push-to-Talk (PTT) Toggle: The main earpiece shell features a large physical button switch. The operator can click it to alternate between a hands-free open-mic state ("always on"), a standard "click-to-mute" loop, or a hold-to-talk configuration for fast commands.

• Flip-to-Mute Mechanics: Features Hollyland’s signature mic boom ergonomics. Rotating the microphone boom arm vertically upward past a physical detent click instantly mutes your audio transmission. Swinging the arm down past your mouth immediately opens the channel back up.

• Universal Backward Compatibility: The Master headset is fully backward-compatible with original, standard Solidcom C1 Remote Headsets. It will seamlessly mix older C1 signals into its network, though only the Pro headsets will transmit active noise-canceled audio back to the group.

System Capacity Constraints

Because the Master headset acts as the literal pillar of a hubless network, its operating scale is tightly defined:

• Ecosystem Limits: A standalone C1 Pro Master Headset can anchor a total team of up to 8 simultaneous users (1 Master Headset paired with up to 7 C1 Pro Remote Headsets) over an open full-duplex communication channel.

• Hardware Exclusivity: Remote headsets cannot communicate with each other if this Master headset is turned off, out of range, or missing from the field.

Technical Specifications Matrix

Ergonomics & Power Infrastructure

Even with a second earpiece added to the frame, the headset utilizes a lightweight PC-ABS composite body to prevent neck fatigue during long production days. The weight is distributed evenly across an ergonomic, cushioned headband.

Because the Master unit is constantly transmitting and receiving signals across up to seven remote channels simultaneously, its battery expends energy faster than remote units, yielding 6 hours of runtime on a single cell. Helpfully, the headset features a built-in USB-C port directly on the earcup chassis. For extended shoots, you can run a standard portable power bank straight into the headset while actively wearing it, delivering continuous power without interrupting team communications.

On-Set Master Power Protocol: Since the Master headset acts as the backbone for your entire team, its power cycle is shorter than the 10-hour runtime of the remote units. When planning your shooting day, always designate the freshest, fully charged battery pack to the Master node during lunch breaks or turnarounds. Keeping the Master unit continuously powered prevents an accidental communication blackout across the rest of your crew's headsets.