
Q-SYS AD-S402T-W 4-Inch Column Surface-Mount Loudspeaker
SKU: AD-S402T-W
The Q-SYS AD-S402T-W is a premium 4-inch column surface-mount loudspeaker designed for high-performance audio applications. Whether used in hospitality, retail, corporate, or outdoor venues, this compact yet powerful speaker ensures clear, natural sound reproduction with broad coverage. Featuring weather-resistant construction, the AD-S402T-W is well-suited for both indoor and outdoor environments. It integrates seamlessly with Q-SYS platforms, providing superior sound quality and flexible mounting options.
The Key Features of the Q-SYS AD-S402T-W:
- High-Performance Audio – Four 2.5-inch (64 mm) LF transducers deliver exceptional clarity and speech intelligibility.
- Wide Coverage – 140° horizontal dispersion ensures even sound distribution in large spaces.
- Weather-Resistant Design – IP54-rated enclosure for durability in outdoor applications.
- Transformer Taps & Low Impedance – Supports both 70V/100V distributed systems and 8Ω direct operation.
- Easy Installation – Includes mounting hardware for flexible positioning.
- Seamless Q-SYS Integration – Optimized for use with Q-SYS audio ecosystems.
The Detailed Specifications for the Q-SYS AD-S402T-W:
Speaker Type: 4-inch column surface-mount loudspeaker
Transducers: (4) 2.5-inch (64 mm) low-frequency drivers
Frequency Response: 110 Hz – 18 kHz (-10 dB)
Nominal Impedance: 8Ω
Transformer Taps:
- 70V: 30W, 15W, 7.5W, 3.75W
- 100V: 30W, 15W, 7.5W
Sensitivity: 91 dB SPL at 1W/1m
Max SPL: 109 dB (peak)
Coverage Angle: 140° horizontal x 20° vertical
Enclosure Material: ABS plastic with aluminum grille
IP Rating: IP54 (weather-resistant)
Dimensions: 15.8” (H) × 3.9” (W) × 4.9” (D)
Weight: 5.7 lbs (2.6 kg)
Color Options: White (AD-S402T-W), Black (AD-S402T-B)
Mounting Options: Includes surface-mount bracket