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The Tang Band W4-1720 subwoofer delivers immersive bass reproduction thanks to its diameter of no less than 12.55mm. It has a power handling capacity of 30Wrms. Its paper diaphragm and rubber suspension provide excellent performance.

Technical characteristics
| Specifications | |
|---|---|
| Product type | Speaker |
| Speaker type | Subwoofer |
| Diaphragm material | Paper |
| Surround material | Rubber |
| Magnetic system | Ferrite |
| Nominal impedance | 4Ω |
| DCR impedance | 3.8Ω |
| Sensitivity | 86dB |
| Frequency response | 60Hz - 8kHz |
| Free air resonance | 60Hz |
| Voice coil diameter | 32mm |
| Air gap height | 17mm |
| Rated power RMS | 30W |
| Max. power | 60W |
| Force factor (BL) | 3.82TM |
| Moving mass | 5 g |
| Suspension compliance | 1284 uMN¯¹ |
| Effective piston area | 0.0057m² |
| Levc | 0.037mH |
| Zo | 22 Ω |
| Maximum linear peak (X-Max) | 5mm |
| Compliance volume (Vas) | 5.92L |
| Total quality factor (Qts) | 0.42 |
| Mechanical quality factor (QMS) | 2.33 |
| Electrical quality factor (Qes) | 0.51 |
| General | |
|---|---|
| External diameter | Ø125.5mm |
| Cutout diameter | 95.5mm |
| Depth | 92mm |
| Mounting bolt diameter | Ø115mm |
| Mounting holes | 4 |
| Package | 1x TANG BAND W4-1720 |
| Speaker Power (W RMS) | 30 |
| Speaker Type | Subwoofer |
| Impedance (Ω) | 4 |
| Loudspeaker diameter (mm) | 125.5 |
| Diaphragm type | Paper |
| Efficiency / Sensitivity (dB) | 86.0 |
| Max Linear Excursion (Xmax) (mm) | 5.0 |
| Lowest frequency (Hz) | 60 |
| Highest frequency (Hz) | 8000 |