This Package Includes the Following Items:
1 x Single 10" Subwoofer Regular Standard Cab Truck Sub Box Enclosure 5/8" MDF
1 x Alpine S-W10D4 Car Audio Type S Series Sub Dual 4 Ohm 1200W Peak 10" Subwoofer

Single 10" Subwoofer Regular Standard Cab Truck Sub Box Enclosure 5/8" MDF:
Features:Single 10" Truck Sub Box
Mounting Depth: 5-5/16"
Air Space: 0.8 Cubic Feet
Sealed Enclosure
Dimensions: Width 20" x Height 15" x Top Depth 5" x Bottom Depth 7-1/2"

Designed to fit behind the seat of most trucks.
Constructed with High Quality MDF
High Quality Binding Terminal Cup (Accepts Banana Terminal Plugs OR Bare Wire 'up to 10GA')
High Quality Gray Carpet

Alpine S-W10D4 Car Audio Type S Series Sub Dual 4 Ohm 1200W Peak 10" Subwoofer:
General Features:10" 4 ohm S-Series (Type-S) Subwoofer
Power Handling:Peak: 1800 watts
RMS: 600 watts

Recommended power range: 250- 600W RMS
Pulp/Kevlar Cone
High Amplitude Multi-Roll (HAMR) Surround
Progressive Spider with Reinforced Layer Tinsel Leads
Airflow Optimized Dual Flare Pole Vent
High Strength Steel Frame Basket
8 AWG Push Terminals with VC Configuration Jumpers
Dual Voice Coil
High Grade Strontium Ferrite Magnets
Top-mount depth: 4-11/16"
Cutout diameter: 8-13/16
Frequency Response: 26- 200Hz
Sensitivity: 86.4dB
Resonance Frequency (Fs): 34 Hz