Alpine RS-W12D4 12” 600w RMS Shallow Subwoofer DVC 4-ohm Slim Sub Mono Amplifier

Package Includes: (1) Alpine RS-W12D4 12” 600 Watt RMS Shallow Car Audio Subwoofer Dual 4-ohm Slim Sub (1) Rockville dB13 3000 Watt Peak/750w RMS Mono 2 Ohm Amplifier Car Amp (1) Rockville RWK41 4 Gauge Complete Car Amp Wiring Installation Wire Kit with RCA’s Features of RS-W12D4: 12″ High-Performance Shallow Bass Driver Neodymium Magnet Alpine Gen2 DD Linear Magnetic Circuit Aluminum Dust Cap Protective steel mesh grille Cast Aluminum Frame Specifications of of RS-W12D4: TECH SPECIFICATIONS: Mounting Depth: 3.25″ Power Range: 500W-600W RMS Power Handling: 600W RMS / 1800W Peak Frequency Response: 25Hz-100Hz Magnet Weight: 10.4 oz Voice Coil: 4″ (100mm) BOX SPECIFICATIONS: SEALED BOX RANGE: Net Internal Volume: 0.6 – 1.5ft3 RECOMMENDED SEALED BOX (SMALL VOLUME): External Dimensions: 18″ x 15″ x 6.5″ Gross Internal Volume: 0.65 ft3 Net Internal Volume: 0.60 ft3 F3,Fb: 35 Hz, 49 Hz RECOMMENDED SEALED BOX (MEDIUM VOLUME): External Dimensions: 22″ x 16″ x 7″ Gross Internal Volume: 0.95 ft3 Net Internal Volume: 0.90 ft3 F3,Fb: 30.5 Hz, 43 Hz RECOMMENDED SEALED BOX (LARGE VOLUME): External Dimensions: 21″ x 16″ x 9″ Gross Internal Volume: 1.25 ft3 Net Internal Volume: 1.20 ft3 F3, Fb: 29 Hz, 40 Hz Displacement Volume: 0.05ft3 Hole Cutout Size: 11-5/8″ (295 mm) Features of dB13: Dyno Certified RMS Power Ratings: (Certified Dyno Test / Less than 1 % THD) (Use these ratings when comparing with top brands such as Kicker, Rockford Fosgate, etc) – 2 Ohm: 750 Watts x 1 Channel – 4 Ohm: 450 Watts x 1 Channel Peak: (Use these ratings when comparing with the top budget brands such as Boss, Power Acoustik, etc) – 2 Ohm: 3000 Watts x 1 Channel – 4 Ohm: 1800 Watts x 1 Channel High-Speed MOSFET Power Supply Optical Coupler Class “D” Technology 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 Remote Dashboard Subwoofer Control Fully Adjustable 12dB Bass Equalizer Mute and Delay Soft Start System RCA Preamp Line Output 8 Volt Preamp Circuitry Features: Adjustable Brand: Alpine Manufacturer Part Number: RS-W12D4 dB13 RWK41 Manufacturer: Alpine Assembled Product Dimensions (L x W x H): 14.70 x 9.00 x 2.40 Inches