# Dayton Audio ND90-4 3-1/2" Aluminum Cone Full-Range Neo Driver 4 Ohm

**Manufacturer:** Dayton Audio  
**MPN:** `ND90-4`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Dayton Audio |
| Manufacturer name | Dayton Audio |
| Manufacturer | Dayton Audio |
| DimensionUnit | inch |
| Extra Product Name | Dayton Audio ND90-4 3-1/2" Aluminum Cone Full-Range Neo Driver 4 Ohm |
| UPC | 844632081064 |
| Weight | 0.55 |
| WeightUnit | lbs |
| depth | 2.39 |
| diameter | 4.07 |
| height | 4.07 |
| height_Attrib | Overall Outside Diameter |
| length | 2.39 |
| length_Attrib | Depth |
| moq | 1 |
| MPN | ND90-4 |
| multiple | 1 |
| qtyInStock | -2 |
| qtySource | FieldMap |
| SKU | 290-208 |
| snippet | Dayton Audio ND90-4 3-1/2" Aluminum Cone Full-Range Neo Driver 4 Ohm. Part Number: 290-208 by Dayton Audio. |
| tierMinQty1 | 1 |
| tierMinQty2 | 4 |
| tierPrice1 | 21.98 |
| tierPrice2 | 19.78 |
| width | 4.07 |
| width_Attrib | Overall Outside Diameter |
| Brand | Dayton Audio |
| Model | ND90-4 |
| Part Number | 290-208 |
| Unit of Measure | Each |
| Nominal Diameter | 3-1/2" |
| Power Handling (RMS) | 20 Watts |
| Power Handling (MAX) | 40 Watts |
| Impedance | 4? |
| Frequency Response | 80 to 15,000Hz |
| Sensitivity | 85.7dB 2.83V/1m |
| Voice Coil Diameter | 0.75" |
| Resonant Frequency (Fs) | 90.2Hz |
| DC Resistance (Re) | 3.6? |
| Voice Coil Inductance (Le) | 0.62mH |
| Mechanical Q (Qms) | 5.1 |
| Electromagnetic Q (Qes) | 0.72 |
| Total Q (Qts) | 0.63 |
| Compliance Equivalent Volume (Vas) | 0.037ft? |
| Mechanical Compliance of Suspension (Cms) | 0.73mm/N |
| BL Product (BL) | 3.47T?m |
| Diaphragm Mass Inc Airload (Mms) | 4.3g |
| Maximum Linear Excursion (Xmax) | 4mm |
| Surface Area of Cone (Sd) | 31.2cm? |
| Cone Material | Aluminum |
| Surround Material | Rubber |
| Voice Coil Wire Material | Copper |
| Voice Coil Former | Kapton? / Polyimide |
| Basket / Frame Material | Steel |
| Magnet Material | Neodymium |
| Overall Outside Diameter | 4.07" |
| Baffle Cutout Diameter | 3.01" |
| Depth | 2.39" |
| # Mounting Holes | 4 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| parts-express.com | 290-208 | 21.98 | 1 | None | 1 |

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