S221
21 inch subwoofer speaker
- Durable and Practical Design
- High Compatibility and Versatility
- Powerful Low-Frequency Performance
Applications
- Touring performance
- Stadium
- Theatre
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 |
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