Alto Professional TS18S 18-inch Powered Subwoofer

Alto Professional TS18S (TS18SXUS)

Simple Description

The Alto Professional TS18S is a powered 18″ subwoofer built to deliver very deep, powerful bass for PA systems. It’s ideal for large events, DJ setups, clubs, and live performances where strong low-frequency impact is required.

Key Features

• 2500 W peak Class-D amplifier – Produces high-output, punchy bass with efficiency and reliability.

• 18″ woofer with 3″ high-temperature voice coil – Handles strong low-frequency performance with durability.

• Frequency response ~35 Hz–100 Hz (–3 dB), down to ~27 Hz (–10 dB) – Demonstrates true sub-bass range for heavy low-end music.

• Max SPL ~137 dB – Loud enough for medium-to-large venues and outdoor events.

• Selectable EQ presets (Off / Live / DJ) – Optimizes bass behavior based on performance style.

• Phase-alignment switch (0° / 90° / 180° / 270°) – Helps match timing with top speakers for tighter sound.

• Flexible connectivity – 2 × combo XLR/¼″ inputs, balanced XLR outputs, and XLR thru connections for expanding systems.

• Rugged MDF cabinet with pole mount – Durable construction with top-speaker mounting support.

• Built-in protection systems – Includes clip limiting, thermal protection, and driver protection.