# Tang Band W4-1658SB 4" Midwoofer

**Manufacturer:** Tang Band  
**MPN:** `W4-1658SB`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Tang Band |
| Manufacturer name | Tang Band |
| Manufacturer | Tang Band |
| DimensionUnit | inch |
| Extra Product Name | Tang Band W4-1658SB 4" Midwoofer |
| UPC | 844632069598 |
| Weight | 2.7 |
| WeightUnit | lbs |
| depth | 3.03 |
| diameter | 5.12 |
| height | 5.12 |
| height_Attrib | Overall Outside Diameter |
| length | 3.03 |
| length_Attrib | Depth |
| moq | 1 |
| MPN | W4-1658SB |
| multiple | 1 |
| qtyInStock | 0 |
| SKU | 264-878 |
| snippet | Tang Band W4-1658SB 4" Midwoofer. Part Number: 264-878 by Tang Band. |
| width | 5.12 |
| width_Attrib | Overall Outside Diameter |
| Brand | Tang Band |
| Model | W4-1658SB |
| Part Number | 264-878 |
| Unit of Measure | Each |
| Nominal Diameter | 4" |
| Power Handling (RMS) | 45 Watts |
| Power Handling (MAX) | 90 Watts |
| Impedance | 4? |
| Frequency Response | 55 to 6,000Hz |
| Sensitivity | 87dB 2.83V/1m |
| Voice Coil Diameter | 2" |
| Resonant Frequency (Fs) | 55Hz |
| DC Resistance (Re) | 3.8? |
| Voice Coil Inductance (Le) | 0.14mH |
| Mechanical Q (Qms) | 8.84 |
| Electromagnetic Q (Qes) | 0.41 |
| Total Q (Qts) | 0.39 |
| Compliance Equivalent Volume (Vas) | 0.26ft? |
| Mechanical Compliance of Suspension (Cms) | 0.85mm/N |
| BL Product (BL) | 5.62T?m |
| Maximum Linear Excursion (Xmax) | 4.5mm |
| Surface Area of Cone (Sd) | 78.5cm? |
| Cone Material | Poly |
| Surround Material | Rubber |
| Basket / Frame Material | Cast Aluminum |
| Magnet Material | Neodymium |
| Overall Outside Diameter | 5.12" |
| Baffle Cutout Diameter | 4.49" |
| Depth | 3.03" |
| # Mounting Holes | 6 |
| Sealed Volume | 0.06ft? |
| Sealed F3 | 121Hz |
| Vented Volume | 0.18ft? |
| Vented F3 | 67Hz |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| parts-express.com | 264-878 |  |  | None | 1 |

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Structured data: `/python/html6/product/500/8000000/8390500/part_--W41658SB---TangBand--23306bfd33.json`  
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