HA221 3600W Dual 21-Inch Long-Excursion Active Subwoofer for Professional DJ, PA and Concert Sound Systems
Key Highlights
- Dual 21-inch long-excursion neodymium woofers
- 3600 W program / 7200 W peak power rating
- 2 × 153 mm voice coils
- Frequency response: 27–120 Hz
- Maximum SPL: 143 dB
- Built-in 2-channel DSP plate amplifier
- USB and RS-485 system control
- Premium birch plywood enclosure
- Weather-resistant polyurea coating
Product Overview
The HA221 is a high-output, self-powered dual 21-inch subwoofer designed for professional DJ systems, concert sound reinforcement, outdoor festivals, touring productions, nightclubs, rental applications, and large-scale PA installations.
Its built-in 2-channel DSP plate amplifier eliminates the need for an external power amplifier and simplifies system setup. Gain, delay, polarity, crossover, and limiter functions can be adjusted via USB or RS-485, enabling precise system optimization for different venues and deployment configurations.
Equipped with two 21-inch neodymium long-excursion woofers and 153 mm voice coils, the HA221 delivers powerful and controlled low-frequency performance from 27 to 120 Hz. The premium birch plywood enclosure and weather-resistant polyurea coating provide the durability required for demanding touring, rental, and fixed-installation environments.
Key Features
- High-output dual 21-inch long-excursion design
- Integrated 2-channel DSP amplification
- DSP control for gain, delay, polarity, crossover, and limiter
- USB and RS-485 interfaces for system configuration
- Maximum SPL up to 143 dB
- Touring-grade birch plywood enclosure
- Weather-resistant polyurea coating
- Heavy-duty construction for professional applications
Applications
- Professional DJ sound systems
- Concerts and outdoor festivals
- Touring productions
- Nightclubs and live entertainment venues
- Professional rental sound systems
- Large-scale PA and fixed-installation systems
Technical Specifications
| Item | Specification |
|---|---|
| Model | HA221 |
| System Type | 3600 W dual 21-inch long-excursion active subwoofer |
| Amplifier | Built-in 2-channel DSP plate amplifier |
| Driver Configuration | 2 × 21-inch neodymium woofers |
| Voice Coils | 2 × 153 mm voice coils |
| Frequency Response | 27–120 Hz |
| Power Rating | 3600 W program / 7200 W peak |
| Driver Impedance | 2 × 4 Ω |
| Sensitivity | 99 dB, 1 W / 1 m |
| Maximum SPL | 143 dB at 1 m |
| DSP Control | USB / RS-485 |
| DSP Functions | Gain, delay, polarity, crossover, and limiter |
| Dimensions | 606 × 1406 × 900 mm (H × W × D), excluding castors / 23.86 × 55.35 × 35.43 in |
| Weight | 109 kg / 240 lb |
| Cabinet | Birch plywood with weather-resistant polyurea coating |
Why Choose the HA221?
The HA221 combines high-output bass performance, integrated DSP amplification, and touring-grade construction in a professional dual 21-inch enclosure. Its self-powered design simplifies system setup, while USB and RS-485 control provide precise tuning for concerts, touring productions, rental systems, and permanent installations.
