TOP PRO SRX718S 18” Professional Subwoofer – High-Power Deep Bass for Live Sound
The TOP PRO SRX718S 18” High-Power Subwoofer is engineered for live sound reinforcement, touring rigs, nightclubs, and large venues that demand deep, authoritative bass. Designed around a high-efficiency 18-inch low-frequency driver, this subwoofer delivers clean extension down to 40Hz, making it ideal for modern music, live instruments, and high-impact audio environments.
Built for professional use, the SRX718S features a powerful 220mm magnet, a rugged 100mm voice coil, and a solid plywood enclosure, ensuring durability, stability, and long-term performance even at high output levels. With a high 4000W continuous power rating and a maximum SPL of 131dB, this subwoofer provides the punch, accuracy, and depth required for premium sound systems.
Key Features
- High-Power 18” LF Driver delivering extended low-end performance down to 40Hz.
- 4000W Continuous Power Handling for powerful, distortion-free bass.
- 131dB Maximum SPL is ideal for concerts, clubs, and large venues.
- 101dB Sensitivity ensures efficient output with lower amplifier strain.
- Heavy-Duty Magnet & Voice Coil (220mm magnet / 100mm coil) for superior control and reliability.
- Premium Plywood Construction for strength, resonance control, and long-term durability.
- Broad Frequency Coverage from 40Hz–200Hz with smooth low-frequency response.
Specifications
| Specification | Details |
| System Type | Single 18” Subwoofer |
| Frequency Range | 40Hz – 200Hz |
| Frequency Response | 45Hz – 150Hz (±3dB) |
| Sensitivity | 101dB |
| Power Rating | 4000W |
| Nominal Impedance | 8Ω |
| Maximum SPL | 131dB |
| Driver | 220mm Magnet / 100mm Voice Coil |
| Material | Plywood Cabinet |
| Net Weight | 42.8 kg |
| Dimensions | 82 × 66 × 59.6 cm |
Frequently Asked Questions (FAQs)
What events is the TOP PRO SRX718S best suited for?
This subwoofer is ideal for concerts, nightclubs, festivals, and large rooms where deep, high-impact bass is required to energise the audience and fill the venue.
What does a maximum SPL of 131dB mean for performance?
A 131dB SPL rating means the sub can reach deafening levels without distortion, ensuring clean bass even in noisy or crowded environments.
How does the 18-inch driver improve bass output?
The larger cone moves more air than smaller drivers, producing more profound and more powerful low frequencies, which are essential for impactful sound.
Is the SRX718S built for long-term, professional use?
Yes. Its plywood enclosure, large magnet structure, and 100mm voice coil are designed to withstand continuous high-power operation.
Can this subwoofer be easily transported?
At 42.8 kg, it is considered a heavy-duty subwoofer. It can be moved with professional handling equipment or used in fixed installations.
How accurate is the bass response?
With a frequency response ranging from 45Hz to 150Hz, the subwoofer delivers clean, punchy bass without muddiness, making it ideal for modern music and live performances.
Is this sub ideal for a full-range PA setup?
Yes. Pairing it with compatible tops creates a powerful full-range system, perfect for professional sound reinforcement.
Do I need a specific amplifier to power it?
A high-power amplifier capable of delivering 4000W at 8Ω is recommended to fully match the subwoofer’s performance capability.
