Alto TS12S | 12in - 130dB | 2500W Powered Subwoofer with EQ & Phase Control

ALTO TS12S  (Alto TS-12S)

Powered Subwoofer

Alto TS12S is a high-output 12-inch powered subwoofer built to deliver punchy, controlled low-end to live sound systems. With 2500 watts of peak power, selectable EQ modes, and flexible connectivity, this subwoofer brings the depth and power needed to complete any professional PA setup.

Alto TS12S Competitive Differences

• 2500W peak power with 12-inch woofer and 3-inch voice coil
• Selectable EQ and multi-position phase alignment

Alto TS12S Description

The Alto TS12S delivers tight, focused bass performance to elevate full-range speaker systems in clubs, venues, mobile DJ setups, and houses of worship. Its high-efficiency Class D amplifier outputs 2500W of peak power, providing a deep, balanced foundation to your audio system without distortion or muddiness. A rugged, internally braced MDF cabinet minimizes resonance, while a front-ported design ensures smooth low-frequency extension. The 12-inch woofer with a 3-inch high-temperature voice coil offers deep performance down to 38Hz, delivering a powerful punch that doesn’t overwhelm. The TS12S includes onboard DSP features, including user-selectable EQ modes (Off, Live, DJ) and a phase alignment switch (0°/90°/180°/270°) to ensure seamless integration with any speaker configuration. Dual combo XLR/TRS inputs and XLR link outputs allow flexible routing for both Alto full-range speakers and third-party systems. Whether installed or used on the go, the TS12S provides a reliable, professional-grade low-end solution that can adapt to any performance environment.

Model Features

• 2500W peak Class D amplifier with high efficiency
• 12-inch woofer with 3-inch high-temp voice coil
• User-selectable EQ tunings: Off, Live, DJ
• Phase alignment switch with four selectable positions
• Dual XLR+1/4" combo inputs and XLR thru outputs
• Front-ported MDF cabinet with 36mm pole mount socket
• Electronic protections: clip, thermal, overdrive
• Mark-resistant finish for long-lasting appearance

Model Specifications

• Max SPL: 130dB (@1m)
• Power Output: 2500W peak
• Frequency Response: 44 Hz – 95 Hz (-3 dB)
• Frequency Range: 38 Hz – 110 Hz (-10 dB)
• Driver: 12in (305mm) woofer with 3in (76.2mm) voice coil
• Dimensions: 17.9 x 18.1 x 19.9 in (454.7 x 459.7 x 505.5 mm)
• Weight: 57.1 lb (25.9 kg)

What's In The Box

• Alto TS12S subwoofer
• Power cable
• Quick start guide