Polk Audio car electronics

• 8” 750 Watt Car/Marine Boat Subwoofer Sub+Free Speaker
• Package Includes: Polk Audio DB842DVC 8" 750 Watt Dual 4-Ohm Car or Marine Subwoofer + Rockville RockSport Running/Sports Bluetooth Earbuds Earphones, IPX7 Waterproof Rating
• Polk Audio DB842SVC 8" 750 Watt Single 4-Ohm Car/Marine Boat Audio Subwoofer Sub . Driver Compliment: 8" (203.2mm). Cutout Dimensions: 7.28" (185mm). Mounting Height: 0.51" (13.05mm). Mounting Depth (Top): 3.82" (97mm). Mounting Depth (Bottom): 4" 102mm. Peak Power Handling: 750 Watts. Continuous Power Handling: 250 Watts. Nominal Impedance: 4 Ohms. Frequency Response: 30Hz-200kHz.
• Sensitivity: 84 dB. Magnet Weight: 24.7 oz. Magnet Material: Ceramic. Magnet Size: 110mm x 45mm x 18mm. VC Diameter: 1.5". Minimum Sealed Enclosure: 0.5 cu. ft. . Maximum Sealed Enclosure: 1.2 cu. ft. . Minimum Vented Enclosure: 0.66 cu. ft. . Maximum Vented Enclosure: 1.2 cu. ft.
• Rockville RockSport Running/Sports Bluetooth Earbuds Earphones, IPX7 Waterproof Rating. Rockville Engineering: These have incredible bass, mids and highs. We tuned these to sound good for any music type from hip hop, to rock, or even classic. The frequency curve is very flat with the bass slightly boosted. You can expect no noticeable distortion even at high volume.
• Secure Fit With Flexible Ear Loops: Our secure fit ear buds stay in your ear comfortably even when running, lifting weights, or doing other activities. Flexible silicone ear loops provides superior comfort. IPX7 100% Waterproof for Sports: An IPX7 rating means these are waterproof and able to be completely submerged in water. They are weather-proof, dust-proof, and dirt-proof making them perfect for running, the gym, jogging, hiking, cycling, the pool, and more!
• Model: DB842SVC+PBL20

Polk Audio. 2 Way

• 10 2100w Car Subwoofers+Mono Amplifier+Amp Kit
• Package Includes : (2) Polk Audio DB1042DVC 10" 2100 Watt Dual 4-Ohm Car or Marine Subwoofers + Rockville Rockmat RM12-B 12 Sq. Ft. Butyl Rubber Sound Dampening Car Kit
• Polk Audio DB1042DVC 10" 1050 Watt Dual 4-Ohm Car/Marine Audio Subwoofer Sub. Driver Compliment: 10" (254mm). Cutout Dimensions: 9" (230mm). Mounting Height: 0.52" (13.21mm). Mounting Depth (Top): 4.34" (110mm). Mounting Depth (Bottom): 4.56" (116mm). Peak Power Handling: 1050 Watts. Continuous Power Handling: 350 Watts RMS. Nominal Impedance: 4 Ohms. Frequency Response: 28Hz-200kHz.
• Rockville RXD-M2 3000 Watt/1500w RMS Mono Class D 1 Ohm Car Stereo Amplifier With Optical Coupler Technology. CEA Compliant Power Ratings. 1 Ohm: 750 Watts x 1 Channel <1% THD+N . 2 Ohm: 550 Watts x 1 Channel <1% THD+N. 4 Ohm: 400 Watts x 1 Channel <1% THD+N) . RMS Power Ratings: . 1 Ohm: 1500 Watts x 1 Channel. 2 Ohm: 1100 Watts x 1 Channel. 4 Ohm: 800 Watts x 1 Channel. Peak:. 1 Ohm: 3000 Watts x 1 Channel . 2 Ohm: 2200 Watts x 1 Channel. 4 Ohm: 1600 Watts x 1 Channel.
• High-Speed MOSFET Power Supply. Optical Coupler Class "D" Technology. Studio-Grade Bipolar Output Stage Transistors . Now exclusively with "Professional Peak Limiter Circuitry" which guarantees distortion free musical playback at all levels.Fully Adjustable 12dB / Octave Crossover with Differential Circuitry. Low Pass Filter: 50Hz - 250Hz. Subsonic Filter: 15Hz - 55Hz. Phase Control Switch. Full IC-Controlled Protection Circuitry.
• 1 - 17' High Grade Twisted Pair of 100% Copper RCA Cable. 17' - 4 Gauge Translucent Blue SuperFlex Power Cables. 17' - 18 Gauge Blue Remote Cable. 17' - 16 Gauge Clear Speaker Wire. 3' - 4 Gauge Clear SuperFlex Ground Wire. Gold Plated AGU Heat Resistant Fuse Holder. 60 Amp AGU Gold Plated Fuse. 7' Split Tube Loom. Accessories Included: Wire Ties, Ring Terminals, Butt Connectors, Spades, and Grommets.
• Model: (2) DB1042DVC+RXD-M2+RWK41

• MM521 5.25-Inch Coax Speaker
• Neodymium Magnets a rare earth metal offering exceptional strength to performance ratio
• Carbon Composite Basket based on the spokes of a wheel is lightweight, will not flex during peaks and looks great!
• Klippel Optimized Components using a state-of-the-art Klippel Distortion Analyzer
• Woven Glass Composite Cones feature tremendous stiffness-tomass ratio. Lower mass means faster transients and finer detail.
• Large-Diameter Voice Coils (30mm) in drivers increase reliability and power handling capacity.