04-31, Skudai Parade
Shopping Complex,
Batu 10, Jalan Skudai,
81300 Skudai, Johor,

Lot 3, Block B,
Subang Light Industrial Park,
Off Jalan Subang 2, USJ 1,
47610 Subang Jaya,
Selangor, Malaysia.

14, Jalan Medan Ipoh 9,
Bandar Baru Medan,
31400 Ipoh,
Perak, Malaysia.



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Designed with ergonomics of the human hand in mind, AT-4000 Series Attenuators’ control knob comes in a size that provides comfortable grip and excellent control with every turn. Consisting of 8 steps attenuation, the series is built to provide precision volume control with a difference of 3dB in every step. The built-in overriding relay feature allows emergency paging which is indicated by the LED light when activated.


Input Capacity 12 Watt (Max)
Attenuations 8 steps (0 dB, -3 dB, -6 dB, -9 dB, -12 dB, -15 dB, -18 dB, OFF)
Override Indicator Red LED (4-wire connection only)
Overriding Voltage 24V DC, 11mA (4-wire connection only)
Dimensions 86 (W) × 86 (H) × 24 (D) mm
Weight 0.12kg
Color White (RAL 9016 or equivalent)
Finish Knob, Cover panel: ABS resin, white (RAL 9016 or equivalent)
Front Panel (Plate): Surface treated steel plate
Terminal Screw type x 5 (Terminals)
Usable Cable Cable range: 22 - 14 AWG

Brochure :

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