Guangzhou Huiyin Audio Co., Ltd.
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21 inch speaker neodymium subwoofer speaker Professional 21 inch speaker
Features:
Specifications:
| Nominal diameter | 21 inch |
| Nominal impedance | 8 Ω |
| Power rating | 1500 W |
| Sensitivity (1w/1m) | 99dB |
| Frequency range | 38-1.5kHz |
| Voice coil diameter | Φ125 mm |
| Basket | Die Cast Aluminium |
| Cone and dust cap | Carbon |
| Surround | Cloth |
| Voice coil wire | In/Out Copper |
| Voice coil former | Glassfiber |
| Winding depth | 40mm |
| Magnet | Neodymium |
| Thiele-Small Parameters | |
| Fs | 38.5Hz |
| Re (D.C.) | 5.2Ω |
| Qms | 7.4 |
| Qes | 0.52 |
| Qts | 0.49 |
| Vas | 205 L |
| Cms | 0.05 u M/N |
| BL | 27.7T |
| Xmax | 28mm |
| Mounting information | |
| Overall diameter | 548mm |
| Bolt Circle Diameter | 526mm |
| Baffle Cutout Diameter--Front Mount | 505mm |
| Overall Depth | 235mm |
| Net weight | 14.1KG |
| Shipping weight | 16KG |
| Shipping size | 55x55x25cm/one pcs |
Company Profile
Since our establishment in 2009, we have been committed to manufacturing high-quality audio products, including professional audio speakers, car audio speakers, speakers with cabinets and power amplifiers. Since then, Huiyin Audio Co., Ltd. has had a complete high-quality supply chain, an excellent management team, and the ability to provide our customers with good service and high-quality products at a good price! Instead, the company introduced a series of advanced equipment such as automated production lines, high-efficiency magnetizers, impact testing machines, and temperature testing machines. To maximize, we obtained CE certification in 2012. The enterprise will be gradually developed in 2017.
We are willing to customize the speakers and amplifiers required by customers to suit their market. OEM and ODM orders are welcome.
Committed to strict quality control and thoughtful customer service, our experienced staff are always available to discuss your requirements and ensure complete customer satisfaction. When we cooperate with well-known Chinese brands, our products are also exported to customers in North America, South America, Europe, Asia, Africa and Africa and Oceania and other countries and regions. Whether it is selecting the current product from our catalog or seeking the help of an engineer to manufacture other ideal speaker models, please contact our customer service center or send an email to us. We want to establish a long-term business relationship with you.
1.Q: Are you a factory ?
A: Yes, We are manufacturer who focus on high end speakers development and manufacturing .
2.Q: What's your products range?
A: Subwoofer, coaxial speaker, midranges, component speakers, tweeters and professional audio speakers .
3.Q: Can I get some samples?
A: Yes, we could provide samples and ship by DHL, EMS, FedEx or by sea .
4.Q: What's the payment method ?
A: T/T , and Western union . Paypal for samples payment.