The F87S8MSP 83" square Speaker from Challenge Electronics delivers 87dB with a 4kHz. Construction is Steel frame and Mylar cone.
| Challenge Electronics | |
|---|---|
| Product Category | Speakers |
| Product Number | 5412PX |
| Product Name | Square Speakers |
| SPL | 88 dB |
| Nominal Power | 15 watts |
| Maximum Power | 30 watts |
| Impedance | 4 ohms |
