B&C Speakers 4NDS34 – 4" Neodymium Midbass 8Ω
Compact and powerful 4" midbass with neodymium magnet and water-resistant cone. Perfect for lightweight builds where every gram and every decibel counts.
- 200 W continuous power handling
- 89 dB sensitivity
- Neodymium Inside Slug Magnet
- Frequency range: 80 – 2000 Hz
- TWP-treated cone (water resistant on both sides)
Technical Specification
| Nominal diameter | 100 mm (4 in) |
| Impedance | 8Ω |
| Min. impedance | 6.2 Ω |
| Power endurance (continuous) | 200W |
| Sensitivity | 89 dB |
| Frequency range | 80 – 2000 Hz |
| Voice coil | 34mm copper |
| Magnetic material | Neodymium Inside Slug |
| Conform | Exponential |
| Spider | Single |
| Surround | Role |
Thiele/Small parameters
| Fs | 79 Hz |
| Qms | 8.5 |
| Qes | 0.25 |
| Qts | 0.24 |
| Vase | 2.6 dm³ |
| RE | 5.5 Ω |
| Smile | 0.21 mH |
| Bl | 8.8 Tm |
| MMS | 7.2g |
| Sd | 57 cm² |
| Xmax | 3.8mm |
| Xvar | 5mm |
| η₀ | 0.5% |
| EBP | 316 Hz |
Assembly & Dimensions
| Outer diameter | 127mm |
| Mounting holes | 103mm |
| Bolt circle | 114mm |
| Depth | 67mm |
| Weight | 0.55 kg |
| Shipping weight | 0.67 kg |
Svenska
Suomi
