Observation Room Sound System with Vaddio In-Ceiling 20x Optical Zoom Camera, Omnidirectional Boundary Microphone, Surface Mount Speakers and 50W Mixer Amplifier

Inside the Design

This observation room audio and video system is designed to deliver reliable monitoring with clear, high-definition video and intelligible room audio. Ideal for interview rooms, interrogation spaces, training environments, medical observation rooms, and child advocacy centers, this system allows personnel to observe and document activity from a separate location with confidence. At the center of the design is the Vaddio DocCAM 20 HDBT recessed in-ceiling camera, providing full HD 1080p/60 resolution and 20x optical zoom for detailed overhead viewing.

Audio is reinforced and managed through commercial-grade AtlasIED components to ensure speech clarity and dependable performance. The AtlasIED SM42T surface-mount loudspeakers provide balanced playback, while the AA50PHD 50W mixer amplifier offers flexible input connectivity for microphones and additional sources. A low-profile Audio-Technica ES945WO/XLR boundary microphone captures natural, consistent speech directly from the table surface, making the system ideal for critical listening and recording applications.

Sound System Features:

• Recessed in-ceiling 1080p/60 HD camera with 20x optical zoom
• OneLINK HDMI system transmits power, video, and control over a single Cat cable
• Compact 4" 2-way surface-mount loudspeakers for clear audio playback
• 50W commercial mixer amplifier with multiple mic/line inputs
• Water-resistant omnidirectional boundary microphone for tabletop speech capture
• Professional-grade components built for observation and monitoring environments

About the System Components

Vaddio DocCAM 20 HDBT OneLINK HDMI System

The Vaddio DocCAM 20 HDBT is a recessed in-ceiling document camera engineered for ceilings up to 20 feet high. Featuring a 20x optical zoom lens and high-speed image sensor, it delivers crisp full HD 1080p/60 video with a wide horizontal field of view to capture interviews and tabletop activity clearly. The included OneLINK HDMI receiver simplifies installation by extending power, video, and control over a single Cat-5e/6 cable for seamless integration with displays and recording systems.

AtlasIED SM42T 4" 2-Way Strategy Series Surface Mount Loudspeakers

The AtlasIED SM42T loudspeakers feature a durable, all-weather enclosure with a 4" woofer and a 2-way design for accurate speech and music reproduction. Designed for surface mounting, these speakers provide even coverage and reliable performance in professional environments. Their compact size and flexible mounting options make them ideal for observation rooms where discreet, consistent audio playback is required.

AtlasIED AA50PHD 4-Input 50W BGM Mixer Amplifier

The AtlasIED AA50PHD is a 50-watt commercial mixer amplifier built for background music and paging applications. With four inputs supporting both microphone and line-level sources, priority paging capability, and efficient amplification, it offers dependable control and integration flexibility. Its compact form factor allows convenient installation in racks or cabinets within monitoring facilities.

Audio-Technica ES945WO/XLR Water-Resistant Omnidirectional Boundary Microphone

The Audio-Technica ES945WO/XLR boundary microphone delivers natural, full-range speech capture with an omnidirectional polar pattern optimized for tabletop placement. Its low-profile, water-resistant design ensures durability while maintaining discreet aesthetics. The XLR output provides secure, professional connectivity to the mixer amplifier for clear, reliable audio transmission.

System & Component Videos

Vaddio DocCAM 20 HDBT OneLINK HDMI In-Ceiling Document Camera System

• Exmor 1/2.8 type, high-speed, low-noise image sensor with full HD 1080p/60 resolution
• 20x optical zoom with 60° to 3.3° horizontal field of view
• Superior low-light performance down to 0.4 Lux
• Integrated web interface with Telnet and RS-232 control compatibility
• OneLINK HDMI extension provides power, video, and control over a single cable
• Low-power laser pointer for easy image centering

AtlasIED SM42T 4" 2-Way Strategy Series Surface Mount All-Weather Loudspeakers

• 4" polypropylene woofer with 1" Ferrofluid cooled dome tweeter
• TRX Waveguide for consistent, controlled high-frequency dispersion
• Weather-resistant enclosure for indoor or outdoor applications
• 16W 70.7V/100V transformer with selectable 8-ohm bypass
• Polyguard high-frequency protection circuit
• Includes heavy-duty "C" mounting bracket for secure installation

AtlasIED AA50PHD 4-Input 50W BGM Mixer Amplifier

• 50-watt commercial mixer amplifier for background music and paging
• Four inputs supporting mic and line-level sources
• Priority paging capability for critical announcements
• Efficient Class-D amplification in a compact chassis
• Supports 70V speaker systems for distributed audio applications

Audio-Technica ES945WO/XLR Water-Resistant Omnidirectional Boundary Microphone

• Low-profile omnidirectional boundary mic with 360° pickup pattern
• Water-resistant design for added durability
• UniGuard RFI-shielding for rejection of radio frequency interference
• Self-contained power module with XLRM output
• Requires 11V to 52V DC phantom power
• Rugged all-metal construction with vibration-dampening isolators

• (1) Vaddio DocCAM 20 HDBT OneLINK HDMI In-Ceiling Document Camera System
• (2) AtlasIED SM42T 4" 2-Way Strategy Series Surface Mount All-Weather Loudspeakers
• (1) AtlasIED AA50PHD 4-Input 50W BGM Mixer Amplifier
• (1) Audio-Technica ES945WO/XLR Water-Resistant Omnidirectional Boundary Microphone
• (1) CBI MLN-50 Performer Series F-Prep Cable - 50ft
• (100') West Penn 225 16/2 Non-Plenum Audio Speaker Wire - Gray