DESCRIPTION : Our Nakamichi NSE-1617 speaker is our most popular coaxial speaker series, providing its owners with an excellent price to performance ratio. With our unique tweeter designed by our in house sound engineer to help deliver better highs, allowing the higher frequency notes to travel further. Our polypropylene cone helps to withstand extreme temperatures, long hours of usage, and is also designed to provide a consistent sound throughout it's lifespan. Polypropylene does not absorb humidity and thus is not prone to rot even in long periods of storage. SPECIFICATIONS Speaker Type: 6” (15.8cm) 4-way Mounting Depth: >1.8'' (45mm) N-Power: 20W Peak Power: 400W Sensitivity (dB/W/m): 86 ±3dB Frequency Response: 85-20kHZ Impedance: 4Ω Voice Coil: ASV 25.5mm Magnet Mass: 5.15Oz (146g) Net Weight: Approx. 1kg WHAT'S IN THE BOX NSE-1617 x 1pr Installation Manual x 1pc Frame x 2prs Screw (Φ4x20mm) x 16pcs