TOP PRO TOP-818ASUB Powered Subwoofer 18 Inch

The TOP PRO TOP-818ASUB is a powered 18-inch subwoofer built to deliver massive low-end punch and clean bass response in professional sound systems. Ideal for live sound reinforcement, mobile DJs, event venues, and club installations, this active subwoofer pairs a high-efficiency amplifier with a powerful 18” driver in a solid enclosure.

It features built-in crossover controls, line and XLR inputs/outputs, and rugged construction that ensures it can withstand the demands of regular transport and stage use. Whether you’re enhancing your main PA system or building a full-range setup, the TOP-818ASUB delivers deep, tight, and musical bass.

Key Features:

• Powered 18-inch subwoofer with built-in amplifier

• Delivers tight, deep bass for professional audio setups

• Includes adjustable crossover and phase controls

• Compatible with a wide range of PA speakers and mixers

• Durable wooden cabinet with protective grille and carry handles

Technical Specifications:

• Speaker Size: 18” LF driver

• Amplifier Type: Class AB / D (model-dependent)

• Power Output: Approx. 500W–800W RMS (check label for exact)

• Inputs: XLR, 1/4” line-in

• Outputs: XLR link out

• Frequency Response: 35Hz – 150Hz

• Cabinet Material: Plywood with anti-scratch paint

• Use Case: Events, live sound, mobile DJs, churches, rental setups

Frequently Asked Questions:

Is the TOP-818ASUB active or passive?
This is a powered (active) subwoofer, meaning it has a built-in amplifier and does not require an external amp.

Can I pair it with any top speaker?
Yes. It pairs well with full-range passive or active speakers, as long as they’re properly matched for crossover and output levels.

Does it have a built-in crossover?
Yes. It includes a low-pass crossover control, so you can dial in the perfect blend with your tops.

Is it portable?
While powerful, the unit features integrated handles and a road-ready design, making it suitable for mobile event setups.