# Tang Band W4-656SC 4" Shielded Driver

**Manufacturer:** Tang Band  
**MPN:** `W4-656SC`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Tang Band |
| Manufacturer name | Tang Band |
| Manufacturer | Tang Band |
| DimensionUnit | inch |
| Extra Product Name | Tang Band W4-656SC 4" Shielded Driver |
| UPC | 844632019470 |
| Weight | 3 |
| WeightUnit | lbs |
| depth | 3.27 |
| diameter | 4.94 |
| height | 4.94 |
| height_Attrib | Overall Outside Diameter |
| length | 3.27 |
| length_Attrib | Depth |
| moq | 50 |
| MPN | W4-656SC |
| multiple | 50 |
| qtyInStock | Out of Stock |
| SKU | 264-820 |
| snippet | Tang Band W4-656SC 4" Shielded Driver. Part Number: 264-820 by Tang Band. |
| tierMinQty1 | 50 |
| tierPrice1 | 54.98 |
| width | 4.94 |
| width_Attrib | Overall Outside Diameter |
| Brand | Tang Band |
| Model | W4-656SC |
| Part Number | 264-820 |
| Unit of Measure | Each |
| Nominal Diameter | 4" |
| Power Handling (RMS) | 25 Watts |
| Power Handling (MAX) | 50 Watts |
| Impedance | 8? |
| Frequency Response | 65 to 12,000Hz |
| Sensitivity | 88dB 2.83V/1m |
| Voice Coil Diameter | 1" |
| Resonant Frequency (Fs) | 65Hz |
| DC Resistance (Re) | 6? |
| Voice Coil Inductance (Le) | 0.49mH |
| Mechanical Q (Qms) | 2.39 |
| Electromagnetic Q (Qes) | 0.39 |
| Total Q (Qts) | 0.33 |
| Compliance Equivalent Volume (Vas) | 0.2ft? |
| Mechanical Compliance of Suspension (Cms) | 1.25mm/N |
| BL Product (BL) | 5.41T?m |
| Diaphragm Mass Inc Airload (Mms) | 4.47g |
| Maximum Linear Excursion (Xmax) | 3mm |
| Surface Area of Cone (Sd) | 570cm? |
| Cone Material | Poly |
| Surround Material | Rubber |
| Voice Coil Wire Material | CCA |
| Voice Coil Former | Kapton? / Polyimide |
| Basket / Frame Material | Cast Aluminum |
| Magnet Material | Ferrite |
| Overall Outside Diameter | 4.94" |
| Baffle Cutout Diameter | 3.76" |
| Depth | 3.27" |
| # Mounting Holes | 4 |
| Sealed Volume | 0.1ft? |
| Sealed F3 | 163.3Hz |
| Vented Volume | 0.15ft? |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| parts-express.com | 264-820 | 54.98 | 1 | None | 50 |

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Structured data: `/python/html6/product/500/156000000/156117500/part_--W4656SC---TangBand--e941940477.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp