
HA18SUB 18-Inch Active Subwoofer for Professional PA Sound Systems
Product Overview
The HA18SUB is a professional 18-inch active subwoofer designed to deliver powerful and extended low-frequency performance for PA systems, live events, rental applications, clubs, venues, and fixed sound installations.
Equipped with a single 18-inch neodymium woofer and a built-in active amplifier, the HA18SUB delivers strong bass output with low-frequency extension down to 32 Hz and a maximum SPL of 138 dB.
The cabinet is constructed from durable birch plywood and finished with a waterproof polyurea coating, providing excellent protection against scratches, moisture, transportation wear, and demanding professional use.
Key Features
- Professional 18-inch active subwoofer
- 1 × 18-inch neodymium woofer
- 800 W RMS power handling
- Frequency response down to 32 Hz (-10 dB)
- Maximum SPL: 138 dB
- Built-in active amplifier
- Bass reflex enclosure design
- Birch plywood cabinet construction
- Waterproof polyurea coating
- 2 × 4-pin Neutrik connectors
- Rugged design for professional touring and installation applications
Powerful Low-Frequency Performance
The HA18SUB is engineered to provide strong, deep bass reinforcement for professional sound systems. Its 18-inch neodymium woofer combines high output capability with responsive low-frequency reproduction, making it suitable for reinforcing music, DJ systems, and live performances.
With low-frequency extension to 32 Hz, the enclosure provides the depth and impact required for applications where powerful bass reproduction is essential.
Built-In Active Amplification
The integrated active amplifier provides a compact all-in-one solution, reducing the need for separate external amplification and simplifying system setup.
This makes the HA18SUB especially suitable for mobile sound systems, rental companies, entertainment venues, and installations requiring efficient deployment.
Durable Birch Plywood Cabinet
The enclosure is manufactured from birch plywood for excellent cabinet rigidity and durability.
A rugged waterproof polyurea coating protects the cabinet surface against moisture, scratches, impacts, and wear during transport and repeated professional use.
Bass Reflex Enclosure Design
The bass reflex enclosure is designed to improve low-frequency efficiency and output while maintaining controlled bass reproduction.
This design allows the HA18SUB to deliver powerful low-frequency reinforcement while remaining suitable for a wide range of professional PA applications.
Applications
The HA18SUB is suitable for:
- Live sound reinforcement
- Mobile DJ systems
- Rental sound systems
- Clubs and entertainment venues
- Houses of worship
- Corporate events
- Stage performances
- Fixed PA installations
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | Active 18-Inch Subwoofer |
| Frequency Response (-10 dB) | 32 Hz – Low Frequency Extension |
| Maximum SPL | 138 dB |
| Power Handling | 800 W RMS |
| Driver | 1 × 18″ Neodymium Woofer |
| Enclosure Type | Bass Reflex |
| Impedance | 8Ω |
| Amplifier Type | Built-in Active Amplifier |
| Cabinet Material | Birch Plywood |
| Finish | Waterproof Polyurea Coating |
| Connectors | 2 × 4-Pin Neutrik |
| Dimensions (W × H × D) | 750 × 540 × 707 mm |
| Net Weight | 52 kg |
Short Product Description
The HA18SUB is a professional 18-inch active subwoofer featuring an 800 W RMS neodymium woofer, 32 Hz low-frequency extension, and up to 138 dB maximum SPL. Its built-in amplifier, bass reflex enclosure, birch plywood cabinet, and waterproof polyurea finish make it a reliable low-frequency solution for live sound, rental, DJ, and fixed PA systems.

