Alto Professional TS15S – 15″ Powered Subwoofer with 2,500 W Peak Power & Custom EQ Modes

The Alto Professional TS15S delivers thunderous low-end performance in a rugged, road-ready chassis. Featuring a 15″ high-excursion driver with 3″ high-temperature voice coil, 2,500 W Class D power, selectable EQ presets, and phase alignment control, it lets you dial in tight, impactful bass to perfectly sync with your full-range speakers.

Key Features

• 2,500 W peak Class D amplifier: Delivers powerful and clear low-frequency extension for professional sound reinforcement
• 15″ woofer with 3″ voice coil: Heavy-duty driver design provides precise, commanding bass response
• User-selectable EQ presets: Off, Live, and DJ modes let you tailor low-end output to your venue and content
• Phase alignment switch: 0°, 90°, 180°, and 270° settings ensure seamless integration with satellite speakers
• Robust build quality: Internally braced front-ported MDF cabinet with splatter-finish and integrated pole socket for versatile deployment
• Advanced protection system: Guards against clipping, thermal overload, and driver overdrive for reliable performance

Customer Benefits

Whether you're powering a live band, DJ booth, or event space, the TS15S ensures dense, controlled bass that brings your sound to life. Its onboard EQ options and phase control let you fine-tune performance quickly, while its rugged construction means it’ll keep delivering night after night.

Quick Specs

• Dimensions: 62.7 × 52.3 × 54.1 cm
• Weight: ≈39.5 kg
• Peak power: 2,500 W
• Driver: 15″ woofer with 3″ high-temp voice coil
• Frequency response: 36 Hz–110 Hz (-3 dB); 31 Hz–123 Hz (-10 dB)
• Max SPL: 132 dB (peak at 1 m)
• Inputs/Outputs: 2 × XLR/¼″ combo inputs, 2 × XLR thru outputs

What’s in the Box

• Alto Professional TS15S powered subwoofer
• IEC power cable
• Quick Start Guide
• Safety & warranty documentation

Use Cases / Ideal For

Ideal for DJs, live sound technicians, event venues, and performers who require a durable, high-output subwoofer to reinforce full-range systems with deep, clean bass.

Compatibility

Seamlessly integrates with full-range PA systems via XLR/¼″ inputs and thru outputs. Stack or mount using the integrated pole socket. EQ presets and phase adjustment ensure tight sonic coherence with any top speaker setup.

Pros & Cons

✅ Pros:

• Massive, tight bass with 2,500 W power and robust 15″ driver
• Customizable EQ and phase control for easy tuning
• Solid, rugged build suitable for touring
• Comprehensive protection systems for reliability

⚠️ Cons:

• Heavy—best suited for installed or vehicle-aided setups
• No crossover integration—external processing needed for full-range blending

The Alto Professional TS15S is a commanding powerhouse of sub-bass reinforcement—designed for impactful sound, intuitive tuning, and roadworthiness.