S221
21 inch subwoofer speaker
- Durable and Practical Design
- High Compatibility and Versatility
- Powerful Low-Frequency Performance
Applications
- Touring performance
- Stadium
- Theatre
- more 21 inch subwoofer speaker cases
Feature
- 1800W (AES) LF driver
- Thick and elastic lows Provide 27 Hz-200 Hz frequency response
- Mounted wear-resistant Nylon bar
Technical Specification
| Parameter | Specification |
|---|---|
| Nominal Coverage (-6dB) | Omnidirectional |
| FREQUENCY RESPONSE: | 27 Hz ~ 150 Hz (±3 dB) | 22 Hz ~200 Hz (-10 dB) |
| Sensitivity (@1w/1m) | 99 dB SPL |
| Power Rating (AES) | 3600W |
| Nominal Impedance | 4 ohm |
| Maximum SPL | 134 dB SPL / 140 dB SPL peak |
| Drivers | LF 2×21″ (135mm voice coil) neodymium driver |
Physical Data
| Category | Specification |
|---|---|
| Dimensions (H×W×D) | 650 × 1450 × 850 mm / 26″×57″×33″ |
| Weight | 132.5 kg / 292 lbs |
| Connectors | 2×NL4 connectors |
| Speaker Cables | 1+1- |
| Materials | – |
| Finish | Black Polyurea paintings |
| Grille | Black epoxy mesh grille with acoustically reticulated cloth |
Line Array Speaker and High-Power Subwoofer Mongolia’s Playtime Festival
Equipments:
- VCX dual 14 ” line array speaker
- S221 21 inch subwoofer speaker
The festival featured 15 stages, celebrating music and culture in the heart of Central Asia. Four of these stages—Ferrum, Carrefour, Third, and Streetz—were equipped with ZSOUND outdoor sound systems.
The setup included VCX line array speakers and S221 high-power subwoofers, delivering clear and powerful sound across the entire event area. Together, these systems provided full-range audio coverage for an estimated audience of 50,000 attendees, ensuring an immersive experience for all.
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