Alto Professional TS18S 2500-Watt Powered Subwoofer with 18″ Driver

The Alto Professional TS18S is a powerhouse 2500-watt active subwoofer from the TrueSonic Series, built for large-scale live sound, DJ performances, events, and installed audio applications where serious low-end impact is required. Featuring an 18" high-excursion woofer and a Class D amplifier, the TS18S delivers earth-moving bass and pairs seamlessly with Alto TrueSonic full-range speakers for a complete professional PA system.

Key Features

• 2500 watts peak power (1250W RMS) Class D amplification
• 18" high-excursion woofer for massive, deep bass response
• XLR and 1/4" combo inputs for flexible connectivity
• XLR thru outputs to daisy-chain full-range speakers
• Variable low-pass crossover filter for seamless integration with satellite speakers
• Phase switch (0°/180°) for optimal system alignment
• Selectable subsonic filter to protect the driver
• Pole mount socket on top for mounting a full-range speaker
• Rugged wooden cabinet with durable finish
• Integrated carry handles for easy transport

Specifications

• Peak Power: 2500W
• RMS Power: 1250W
• Amplifier Class: Class D
• Woofer: 18" high-excursion
• Frequency Response: 32Hz – 120Hz
• Max SPL: 134dB
• Inputs: XLR + 1/4" combo (2 channels)
• Outputs: XLR thru
• Low-Pass Filter: Variable
• Cabinet: Wooden with durable finish
• Pole Mount: Yes (top-mounted)