Hands-Free 2-Way Window Intercom – Full Duplex Counter Communication System with 15″ Gooseneck Microphone
The ZDL-9909 Hands-free 2-way Window Intercom is designed for secure and professional communication in environments where staff and customers are separated by glass, acrylic, or protective barriers. Ideal for banks, pharmacies, ticket booths, hospitals, and customer service counters, it ensures smooth interaction with true full duplex hands-free communication, allowing both sides to speak and hear simultaneously.
The operator master station combines strength and compact design with its aluminum alloy and rugged plastic construction. It features a 3-watt built-in speaker, a high-gain low-noise microphone, and a 15-inch adjustable gooseneck microphone for clear voice capture and flexible positioning.
Features HANDS-FREE Communication From Both Sides [Master & Sub-Station Side]
The customer-side sub-station is compact and efficient, featuring a 2.5-inch speaker with integrated microphone that provides excellent voice clarity while occupying minimal counter space.
With independent volume controls for both the master and customer speakers and microphones, the system ensures optimal audio balance in any environment, whether noisy or quiet. Installation is quick and hassle-free—just connect the included 6-foot audio cable to the extension input on the back of the master station. The master unit supplies both audio and power to the customer sub-station, requiring no external power source.
For additional functionality, the master station includes a built-in auxiliary voice recording output, allowing connection to external recorders for compliance, security, or training purposes. Rugged, compact, and plug-and-play, this intercom is built for fast setup, reliable daily use, and professional barrier communication.
Key Features
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- Full Duplex Hands-Free Communication – Talk and listen simultaneously for natural conversation flow.
- Durable Master Station – Compact design with 3W built-in speaker, high-gain mic, and 15″ flexible gooseneck microphone.
- Compact Customer Sub-Station – Space-saving 2.5-inch speaker with built-in microphone.
- Independent Volume Controls – Adjust master and customer microphones and speakers separately.
- Easy Plug-and-Play Setup – No installation required; connects in minutes with a 6-foot audio cable.
- Integrated Power Supply – Master station provides both power and audio to the sub-station.
- Auxiliary Recording Output – Built-in output for connection to external recorders.
- Rugged Construction – Master station made from aluminum alloy + rigid plastic; sub-station from durable plastic.
- Worldwide Power Adapter – Operates with included 12V 1A power supply.
Device Specification
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- Master Station Dimensions: H 1.5″ × W 6.0″ × L 3.5″
- Sub-Station Dimensions: H 2.5″ × W 2.5″ × T 0.7″
- Master Station Material: Aluminum alloy + durable plastic
- Sub-Station Material: Rugged plastic
- Speaker Output (Master): 3 Watts
- Microphones: High-gain low-noise mic + 15″ gooseneck microphone
- Mute Control: Built-in mute for both master and sub-station
- Customer Sub-Speaker: 2.5″ diameter with built-in microphone
- Cable Length: 6 feet with audio jack connector
- Power Supply: 12V DC, 1A (worldwide compatible)
- Auxiliary Output: Voice recording out (for external recorder)
Got Application Customization Questions?
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- Chat With One Of Our Qualified Agents online between the hours of 9:00Am – 5:00Pm CST
- Email our Sales Department to get an answer within 24-hours
- Contact Sales By Phone between the hours of 9:00Am – 5:00Pm to get instant recommendation
What’s Included In The Package
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- 1 ZDL-9909 Master Station
- 1 ZDL 9909 Sub Station with 6-feet 3.5mm audio jack cable
- 3M mounting kit
- 1 AC100 ~ 240V 12VDC 500mA Power supply
- 1 User operating manual
Manufacturer Warranty
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- 1-Year Equipment Replacement




































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