TOP PRO SRX728 Dual 18″ Passive Subwoofer – Deep, Powerful Bass for Large Venues
The TOP PRO SRX728 Dual 18″ Passive Subwoofer is built to deliver strong, deep bass for concerts, DJ events, nightclubs, and large venues. With two high-performance 18-inch drivers and 1600W continuous power, it produces heavy, room-filling low frequencies that add impact to any sound system. Its wide frequency range, down to 27Hz, ensures clean and powerful bass that you can both hear and feel.
Made for professional use, the SRX728 features a reinforced wooden cabinet, a strong metal grille, and built-in handles and wheels for more effortless movement. With a maximum SPL of 136dB, this subwoofer is capable of extremely high output while maintaining clarity—making it a reliable choice for sound engineers, rental companies, and entertainment venues across the UAE.
Key Features
-
Dual 18″ Drivers – Produces deep, strong bass for large spaces.
-
1600W Continuous Power – Designed for demanding professional use.
-
Heavy-Duty Cabinet – Reinforced wooden build with protective metal grille.
-
136dB Maximum SPL – Delivers loud, clean, and impactful low frequencies.
-
Compatible with Pro Amplifiers – Works with most 8Ω professional amp systems.
-
Easy to Transport – Built-in handles and wheels for stage and event setups.
Specifications
| Specification | Details |
|---|---|
| Rated Power | 1600W |
| Peak Power | 3200W |
| Impedance | 8Ω |
| Frequency Range | 27Hz – 220Hz (±10dB) |
| Frequency Response | 33Hz – 220Hz (±3dB) |
| Drivers | 2 × 18″, 100mm voice coil, 220 magnet |
| Max SPL | 136dB |
| Sensitivity | 98dB (1W/1m) |
| Type | Dual 18″ passive subwoofer |
| Dimensions | 60H × 107W × 83.5D cm |
| Net Weight | 76kg |
Frequently Asked Questions
What is the benefit of a dual 18-inch subwoofer?
Dual drivers move more air, creating louder and deeper bass—ideal for large venues and powerful sound systems.
What is the difference between rated and peak power?
Rated power (1600W) is the continuous operating power.
Peak power (3200W) is the short burst the subwoofer can handle during strong bass hits.
What amplifier do I need?
Use a professional amplifier that delivers at least 1600W at 8Ω to match the subwoofer’s continuous rating.
Is the SRX728 difficult to move?
It weighs 76kg, but the built-in handles and wheels make transport easier. It’s best handled by two people or stage crew.
Why is a 136dB SPL important?
A 136dB max SPL means the subwoofer can produce extremely loud bass that remains clean and controlled in big venues.
