ESB · 4000 Series
4.UMA
2-Way Mid-High Unit
$479.99MSRP · USD
2-Way Mid-High Unit combining the 4.28 Sonatex silk dome tweeter and 4.75 long-fiber paper cone midrange in a single injected-ABS twin frame, placing both drivers in a virtually unified emission point for phase-coherent installation.
Main Features
- Injected ABS twin frame — places midrange and tweeter in a single virtual point, eliminating phase problems
- 4.28 Sonatex silk dome tweeter with N52 neodymium magnet
- 4.75 long-fiber paper cone midrange with N52 neodymium magnet
- Deluxe protective stainless-steel grille included
Key Specifications
| Tweeter Power | 100 W RMS · 200 W peak |
| Tweeter Sensitivity | 93.5 dB 2.83v/1m |
| Tweeter Frequency Response | 1.5 KHz – 22 KHz |
| Midrange Power | 100 W RMS · 200 W peak |
| Midrange Sensitivity | 90.6 dB 2.83v/1m |
| Midrange Frequency Response | 140 Hz – 12 KHz |
| Nominal Impedance | 4 Ohm |
Construction
| Tweeter Dome | Sonatex silk (polymer laminated) |
| Midrange Cone | Long fiber paper |
| Magnets | High grade N52 neodymium |
| Frame | Injected ABS twin frame |
Product Details
| Brand | ESB |
| Series | 4000 |
| Model | 4.UMA |
| SKU | 4.UMA |
| EAN | 8033373006296 |
Genuine product · Authorized U.S. dealer · Drop-shipped direct
