RDL DB-HPA3 3.5W Audio Power and Headphone Amplifier, Wall-Mounted with Outputs, Black

Add dependable, professional audio where it matters most. The Radio Design Labs DB-HPA3 is a wall-mounted 3.5W audio power and headphone amplifier designed for security, surveillance, and monitoring applications where clear speech and discreet operation are essential. This headset amplifier features a balanced line input (switchable sensitivity) and a front-panel mini-jack for private listening; when a headset is connected, the speaker output can be muted for focused monitoring. The high-efficiency Class D output delivers crisp audio to 8 Ω speakers while generating minimal heat, and the unit runs from a 24 Vdc supply for easy integration into low-voltage systems. With a compact metal form factor made for standard wall boxes and recessed switches to prevent tampering, the DB-HPA3 is ideal for control rooms, intercom/paging endpoints, and surveillance monitoring stations. Specify Radio Design Labs DB-HPA3 for reliable, installation-friendly audio—contact sales or add to your rack to streamline on-site listening and paging.

• Discreet wall-mount design lets you add reliable audio to control rooms, surveillance stations, and paging closets without visible indicators
• Dual outputs with front-panel mini-jack and speaker output enable private headphone monitoring or room paging on a single compact module
• Balanced line input with adjustable sensitivity accepts both consumer and professional line levels for flexible integration with security and AV systems
• Efficient 3.5W Class D amplifier delivers clear audio to 4/8 Ω speakers while producing negligible heat and drawing from a 24 Vdc supply—ideal for racks and enclosed spaces
• Front-panel volume and recessed input/mute switches simplify setup and prevent accidental adjustments after installation
• Robust metal housing and a 3-year limited warranty provide dependable performance for long-term monitoring and surveillance deployments