PowerBass S-3502 3.5" Full Range Speakers - Pair Since their introduction, S-Series coaxials have made a name for themselves with avid music fans the world over. Without question a fantastic replacement for most OEM speaker applications, the S Series speaker systems continue to offer great performance at a great price. Features - • 3.5" Co-Axial Speaker System • OEM Drop in Replacement Design • Black 2-layer Paper, DDC (Dynamic Damping Coating) Cone • Double Pressed Treated Foam Surround • 4 oz. Motor Structure • Shallow Mounting Depth • EFF Motor Structures (Efficient Flux Field) • Rigid Tooled Basket With Flat Black Finish • 0.5" PEI Tweeter w/Neodymium Magnet • SEL Tweeter Ring (Sound Expander Lens) • 4-ohm System Impedance Specifications - • Nominal Impedance: 4-ohm • Material: 2 Layer Paper DDC cone / silk dome tweeter • Magnet Size: 4 oz • Sensitivity (1W / 1M): 85 dB • Mounting Depth: 1.5 in • Size: 3.5" • Sensitivity: 85 dB • Frequency Response: 80 Hz - 20 kHz • Power Handling (RMS/Peak): 30 / 90 watts | Powerbass | | S-3502 | 3.5" Coaxial OEM Replacement Speakers | Pair | Black/Gray | Best Buy