Product Overview
The NAKAMICHI NSA-CS1721 is a high-performance 6.5-inch 2-way component speaker system engineered to upgrade factory car audio with rich clarity, precise dynamic range, and enhanced bass response. Featuring lightweight polypropylene cone woofers, dedicated silk dome tweeters, and independent crossover networks, the NSA-CS1721 delivers balanced sound staging with crisp highs and defined mid-bass output.
Key Features
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2-Way Component Configuration: Separates the woofer and tweeter units to deliver optimal sound staging and high-frequency dispersion across your vehicle cabin.
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Injection Polypropylene Cone: Durable yet lightweight woofer cone design provides smooth frequency response and punchy mid-bass performance.
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Silk Dome Tweeter: Delivers smooth, non-fatiguing treble and clear vocal reproduction without harsh distortion at high volume.
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External Crossover Network: Dedicated passive crossovers route specific frequency bands to the woofer and tweeter for clean acoustic balance.
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Universal 6.5″ Fitment: Standard basket size and shallow mounting depth ensure straightforward replacement in factory door speaker locations.
Technical Specifications
| Parameter | Specification |
| Speaker Type | 6.5″ (165mm) 2-Way Component System |
| Peak Power Output | 260W Max |
| N-Power (RMS) | 40W |
| Frequency Response | 70Hz – 21kHz |
| Sensitivity (1W/1M) | 88dB ± 3dB |
| Impedance | 4Ω |
| Voice Coil | KSV 25.5mm |
| Magnet Mass | 9.8 oz (278g) |
| Mounting Depth | Approx. 55 mm |
| Net Weight | Approx. 1.4 kg (Pair) |










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