Professional TOA AT-4000 12W attenuator with emergency override & multi-wire support. Includes mounting box.
The TOA AT-4000 Series 12W Attenuator combines ergonomic design with professional functionality for precise audio control. Featuring an easy-grip control knob, this attenuator ensures smooth, accurate adjustments in various audio system configurations.
Key features include an 8-step attenuation level control (±3dB) for precise volume management and a built-in 24VDC overriding relay with red LED indicator (4-wire systems only) for emergency paging scenarios. The terminal block accommodates thicker diameter cables, while the glossy white finish provides a modern aesthetic suitable for both residential and commercial installations.
This versatile unit supports 2, 3 or 4-wire systems and can be surface or flush mounted, with an included surface box for flexible installation options. The clip-on faceplate ensures easy maintenance and accessibility.
Included Components
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