| Management number | 238456507 | Release Date | 2026/07/11 | List Price | US$15.39 | Model Number | 238456507 | ||
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<p><strong>Black Diamond DIA-57.2 5x7 Inches 2-Way Coaxial Speaker</strong></p> <p>Upgrade your car's audio system with the Black Diamond DIA-57.2 5x7" 2-Way Coaxial Speakers. Built for performance and durability, these speakers deliver clear mids and crisp highs in a compact size that fits most vehicles.<br><br>With a 4-ohm impedance and 50W RMS / 150W Max power handling, they provide reliable sound output without distortion. The woofer features an IMPP cone with a rubber surround and a ferrite magnet, ensuring durability and deep sound response. The 1" PEI Dome tweeter powered by a neodymium magnet adds precision to the high frequencies.<br><br>These speakers are designed with a steel basket for strength, a sensitivity of 87 dB, and a frequency response of 40Hz - 20KHz, making them a perfect balance between performance and efficiency.</p> <p><strong>Specifications:</strong></p> <ul><li>Nominal Diameter - 5x7"</li><li>Nominal Impedance - 4 OHMS</li><li>RMS Power Handling - 50 Watts</li><li>MAX Power Handling - 150 Watts</li><li>Sensitivity (1w/1m) - 87 dB</li><li>Frequency Response - 40Hz - 20KHz</li><li>Recommended Hi Pass Crossover - 70Hz</li><li>Number of Ways - 2-ways</li><li>Single or Pair - Pair</li><li>Grill Included - Yes</li></ul> <p><strong>Woofer:</strong></p> <ul><li>Voice Coil Diameter - 1" / 25.4mm</li><li>Voice Coil Former Material - ASV</li><li>Winding Material - PE</li><li>Cone Material - IMPP</li><li>Surround Material - Rubber</li><li>Basket Material - Steel</li><li>Basket Color/Finish - Black</li><li>Magnet Material - Ferrite</li><li>Magnet Weight - 12.6 oz</li></ul> <p><strong>Thiele & Small Parameters:</strong></p> <ul><li>Equivalent Volume - Vas 10.7L</li><li>Free Air Resonance - Fs 75hz</li><li>Mechanical Factor - Qms 4.206</li><li>Electrical Factor - Qes 1.584</li><li>Total Factor - Qts 1.151</li></ul> <p><strong>Tweeter:</strong></p> <ul><li>Nominal Diameter - 1" / 25.4mm</li><li>Voice Coil Diameter - 0.78" / 19.8mm</li><li>Voice Coil Former Material - KSV</li><li>Winding Material - PE</li><li>Diaphragm Material - PEI Dome</li><li>Magnet Material - Neodymium</li></ul> <p><strong>Measurement:</strong></p> <ul><li>Overall Diameter - 7.67"x5.51" / 195x140mm</li><li>Overall Depth - 2.59" / 66mm</li><li>Front Mount Baffle Cutout - . 7"x5" / 180x128mm</li><li>Mounting Depth - 2.24" / 57mm</li><li>Motor Diameter - 3.3" / 84 mm</li></ul>
| Size | 5x7-inch |
|---|---|
| Car speaker size class | 5" x 7" |
| Car speaker type | Full Range - Coaxial Speakers |
| Rms power rating | 50 W |
| Peak audio power handling | 150 W |
| Speaker elements | 2-Way |
| Loudspeaker sensitivity | 87dB |
| Freq range | 40 - 20K |
| Woofer size | 1 in |
| Impedance | 4 ohm |
| Brand | Black Diamond |
| Rec. use | Car Audio |
| Rec location | Interior |
| Cutout diameter | 7 in |
| Features | Compact |
| Cone composition | Paper |
| Color | Black |
| Vehicle fitment type | Universal |
| Compatibility | Car |
| Vehicle type | Car |
| Tweeter size | 1 in |
| Speaker driver types | Coaxial Drivers |
| Accessories included | Coaxial Speaker |
| Items included | Grill |
| Piece count | 2 |
| Model | DIA-57.2 |
| Has written warranty | No |
| Audio feature | Stereo |
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