





🔊 Elevate your sound game with precision-engineered full-range power!
The ND91-4 9cm full range 4ƒ PS-SFR045 speaker driver delivers a wide frequency response from 65 Hz to 17 kHz with low distortion, thanks to its advanced Neo-Balanced motor and copper shorting ring. Featuring a durable black anodized aluminum cone with rubber edging and a high-performance 1" 4-layer underhung voice coil, it offers large excursion capability (4.6 mm Xmax) for dynamic, clear audio ideal for professional-grade speaker builds.
| Is Electric | No |
| Power Source | Corded Electric |
| Compatible Devices | Projector, MP3 Player, Laptop, Television, Desktop, Tablet, Smartphone |
| Speaker Size | 3.5 Inches |
| Woofer Diameter | 3.5 Inches |
| MP3 player | No |
| Specific Uses For Product | home theater systems, studio monitoring, live sound reinforcement, multichannel audio systems |
| Controller Type | ring |
| Color | Black |
| Is Waterproof | FALSE |
| Warranty Type | Limited |
| Control Method | Remote |
| Audio Output Mode | Surround |
| Mounting Type | Flush Mount |
| Speaker Type | Full-Range |
| Recommended Uses For Product | For miniature point-source monitors, surround speakers, and line arrays |
| Item Weight | 0.7 Pounds |
| Unit Count | 1.0 Count |
| Speaker Maximum Output Power | 60 Watts |
| Subwoofer Connectivity Technology | Wired |
| Audio Driver Size | 88.9 Millimeters |
| Audio Driver Type | Dynamic Driver |
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