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Hollyland Syscom 1000T-4B Full-Duplex Intercom System with Four Beltpacks and Headsets

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  • Rackmount Base Station with Tally
  • 4 x Beltpack Transceivers & Chargers
  • 4 x Single-Sided Headsets
  • 1 x Gooseneck Microphone

The Hollyland Syscom 1000T-4B Full-Duplex Intercom System with Four Beltpacks and Headsets is great for broadcasting, training, and meetings as a full-duplex intercom system offering carrier-grade voice quality and wireless tally at a range of up to 1000 feet. This system includes a base station with four high-gain antennas, four beltpack transceivers with chargers, four headsets, and a gooseneck microphone.

The base station features extensive connectivity such as LEMO and 3.5mm headset sockets, analog voice I/O via XLR jacks, USB Type-A and USB Type-C ports, and a DB25 tally interface. Thanks to its support for AC and DC power supplies, you can be assured of continued operation even if one power source fails. The base station also provides adjustable audio levels and a remote mic kill function.

Plug the supplied headsets into the beltpack transceivers and enjoy up to eight hours of run time before needing to recharge the transceivers. With wireless tally and LCD screens that display different colors, the transceivers allow clear communication through simple color cues.

General Features

  • Ideal for broadcasting, forum meetings, business activities, education, and training
  • 1000' full-duplex wireless communication for simultaneous two-way audio signal transmission without latency
  • Wireless tally function allows accurate communication by seeing beltpack screen colors
  • Carrier-grade voice quality
  • Automatic upgrade via flash drive or USB
  • Integrates with other intercom systems
  • Includes four high-gain base station antennas
  • Includes gooseneck microphone
  • Includes single-sided headsets

Base Station Features

  • Base station supports up to eight rechargeable beltpack transceivers
  • Mic mute and remote mic kill via base station
  • Adjustable volume control on front panel
  • Rear-panel controls for audio I/O levels
  • 3-pin XLR gooseneck microphone input with dynamic/electret mode switch
  • LEMO and 3.5mm headset ports
  • USB Type-A and USB Type-C ports
  • DB25 tally control interface
  • Analog voice input and output via 3-pin XLR jacks
  • Supports dual power supplies via AC (standard IEC connector) and DC (4-pin XLR connector)
  • Industrial metal shell occupies 1 RU of rackspace

Beltpack Transceiver Features

  • Built-in lithium battery provides up to eight hours of operating time
  • LEMO and 3.5mm headset ports
  • Power switch, volume control, and mute/call button
  • Easy operation via LCD screen and menu navigation buttons
  • USB Type-C charging port
  • 3.5mm tally output
  • SMA-K antenna ports
  • Industrial metal shell with belt clip
In the Box

Hollyland Syscom 1000T-4B Full-Duplex Intercom System with Four Beltpacks and Headsets

Base Station

AC Power Cable

4 x 1.9 GHz High-Gain Base Station Antennas

Gooseneck Microphone

4 x Headsets

4 x Beltpack Transceivers

4 x Chargers for Beltpack Transceivers

4 x USB Type-C to USB Type-A Cables

Limited 1-Year Warranty

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More Information
Product ConditonNew
Number of Included Headsets 4 x Single-Sided Headset
Number of Included Transceivers 4 x Belt Pack
Earpiece Design Over-Ear (Circumaural)
Earpiece Connection / Wearing Style Headband
Number of Earpieces Single Earpiece (Left Side)
Sound Field Mono
Driver Type Dynamic
Controls/Microphone Location Microphone: Fixed Boom
Mic Boom Location Left Side
Wireless Connectivity
Wireless Transmission Digital 1.9 GHz
Digital 2.4 GHz
RF Bandwidth Up to 1.73 MHz
Modulation GFSK
Duplex Mode Full-Duplex (FDX)
Approximate RF Sensitivity -93 dBm
Wireless Range 1000' / 304.8 m
Wired Connectivity
Audio Connector to Source 1 x 1/8" / 3.5 mm TRRS Male Straight
1 x LEMO (Unspecified Type) Female Straight
Battery Chemistry Beltpack:
Lithium-Ion Polymer (LiPo)
Capacity (mAh) 4000 mAh
Runtime Beltpack:
8 Hours
Base Station / Transmitter
Users per System 8
I/O Connectors 2 x XLR 3-Pin - Audio Input
1 x XLR 3-Pin - Audio Output
1 x LEMO - Audio Input/Output
1 x 1/8" / 3.5 mm - Audio Input/Output
1 x USB Type-A - Input/Output
1 x USB Type-C - Input/Output
1 x DB25 - Control Input/Output
Antenna Base Station:
4 x 1/2 Wave External, Detachable
AC/DC Power Adapter 10 to 20 VDC (Not Included)
AC Input Power 110 to 240 VAC, 50 / 60 Hz
Power Consumption 6 W
Operating Temperature 32 to 104°F / 0 to 40°C
Storage Temperature -4 to 140°F / -20 to 60°C
Certifications CE, FCC, as per Manufacturer
Water Resistance None
IP Rating None
Material of Construction Metal
Dimensions Base Station:
19 x 6.89 x 1.75" / 482.6 x 175 x 44.4 mm 
4.72 x 2.8 x 0.98" / 120 x 71 x 25 mm
Weight Base Station:
6.4 lb / 2.9 kg 
0.7 lb / 0.3 kg
Packaging Info
Package Weight 40.075 lb
Box Dimensions (LxWxH) 25.7 x 20.9 x 12.7"
WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer. For more information go to
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