Alto TS18S

Alto Professional TS18S - 18-inch Powered Subwoofer

The Alto Professional TS18S is a powerful and robust 18-inch powered subwoofer designed to deliver tight, punchy low-end reinforcement for live sound applications. With its 2500W Class D amplifier, durable construction, and versatile features, it's a reliable choice for concert halls, nightclubs, houses of worship, and more.   

Key Features

2500W of Thunderous Bass: High-efficiency Class D amplifier provides substantial power for impactful low-frequency reproduction.   
18-inch Driver: Features a 3-inch high-temperature voice coil transducer for handling the rigors of live performance.   
Durable Construction: Rugged, internally-braced front-ported MDF cabinet with a mark-resistant splatter-spray finish.   
Integrated Pole Socket: 36mm pole socket for easy mounting of full-range speakers.   
Electronic Protection: Clip, thermal, and transducer overdrive protection ensures reliable operation.
Versatile Inputs/Outputs:
(2) XLR+1/4-inch combo inputs.   
(2) Balanced XLR line outputs.
(2) XLR thru outputs for linking.   
User-Selectable EQ Tunings: (Off, Live, DJ) for adapting to different environments.   
Phase Alignment: Selector switch (0°, 90°, 180°, 270°) for optimizing subwoofer integration with full-range speakers.   

Technical Specifications

Amplifier: Class D
Transducer: 18-inch driver, 3-inch voice coil   
Cabinet: Front-ported MDF   
Pole Socket: 36mm
Inputs: 2 x XLR/1/4" combo   
Outputs: 2 x XLR line, 2 x XLR thru
EQ: User-selectable tunings (Off, Live, DJ)
Phase Alignment: 0°, 90°, 180°, 270°   

What's in the box

Alto Professional TS18S Subwoofer
Power Cord
User Guide