Sandy Audio B221 Dual 21 Inch Subwoofer Sound Equipment System Bass Subwoofer Speakers for Events Stage
Price varies depending on material, logo, quantity and customization requirements.
Introduction
| nominal impedance | 4 ohms | Audio Output Mode | Stereo, Surround |
| Voltage | 240 V, 220 V, 110 V | Speaker Maximum Output Power | 200 W & Above |
| Speaker Type | Subwoofer | Material | Plywood Cabinet, Plastic, Metal |
| Active Or Passive | Passive | Feature | High Quality |
| Power Mode | Power Supply | Product Type | Dual 21" Subwoofer |
| Rated Power | 4000W | Peak Power | 8000W |
| Sensitivity (1W/1m) | 99dB | Maximum SPL | 138dB (Peak) |
| Connections | 2 X Neutrik Speakon NL 4 |
We are China Loong Auto Electronics Co., Ltd., a professional manufacturer and supplier specializing in Auto Electronics. We have brought together and coordinated resources across the Auto Electronics supply chain, enabling us to maintain consistent product quality and establish long-term partnerships with clients worldwide.
Our mission is to provide high-quality products and reliable service. We are committed to offering the following advantages:
- Stable production system ensuring consistent quality, dependable supply, and standardized manufacturing management;
- Strict quality control covering material selection, processing, surface finishing, and final packaging;
- Variety of products and specifications to meet diverse project requirements and application scenarios;
- OEM & customization support based on drawings, samples, or specific technical requirements;
- Flexible packaging solutions to ensure safe handling and transportation of products;
- Continuous improvement in products and services to better support customers in different markets.
If you are interested in our products, please feel free to contact us. We look forward to establishing long-term and mutually beneficial cooperation with you.