This Package Includes the Following Items:1 x 1990-2005 Mazda MX-5 Miata Custom Fit Single 10 Subwoofer Enclosure Sealed Sub Box1 x Alpine S-W10D4 Car Audio Type S Series Sub Dual 4 Ohm 1200W Peak 10 Subwoofer1990-2005 Mazda MX-5 Miata Custom Fit Single 10 Subwoofer Enclosure Sealed Sub Box:Features:1990-2005 Mazda MX-5 Miata Custom Fit Single 10 Subwoofer Enclosure Sealed Sub BoxAir Space: 0.8 Cubic Feet (Shared Chamber)Mounting Depth: 4 1/2 Sealed EnclosureDimensions: Width 17-1/2 x Height 10 x Top Depth 4-1/2 x Bottom Depth 10-3/4 Constructed with High Quality 1/2 MDFHigh Quality Black CarpetEnclosure installs in trunk on Driver's side with the sub facing towards the passenger sideThis box fits:1990-2005 Mazda MX-5 Miata 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) SubwooferPower Handling:Peak: 1800 wattsRMS: 600 wattsRecommended power range: 250- 600W RMSPulp/Kevlar ConeHigh Amplitude Multi-Roll (HAMR) SurroundProgressive Spider with Reinforced Layer Tinsel LeadsAirflow Optimized Dual Flare Pole VentHigh Strength Steel Frame Basket8 AWG Push Terminals with VC Configuration JumpersDual Voice CoilHigh Grade Strontium Ferrite MagnetsTop-mount depth: 4-11/16 Cutout diameter: 8-13/16Frequency Response: 26- 200HzSensitivity: 86.4dBResonance Frequency (Fs): 34 Hz 1990-2005 Mazda Miata MX-5 Convertible Alpine Type S S-W10D4 Single 10 Sub Box Enclosure - Final 2 Ohm UPC 603167628591 Brand American Sound Connection Color Without Amp Impedance 4 Ohms MP3 player No Model Name Miata MX 5 Manufacturer Alpine Model Number S-W10D4 Power Source Corded Electric Speaker Size 10 Inches Speaker Type Surround Sound BuiltIn Media 1990-2005 Mazda MX-5 Miata Custom Fit Single 10 Subwoofer Enclosure Sealed Sub Box, Alpine S-W10D4 Car Audio Type S Series Sub Dual 4 Ohm 10 Subwoofer Is Waterproof FALSE Mounting Type Car Mount Control Method Remote Controller Type Voice Control Number of Items 2 Woofer Diameter 10 Inches Antenna Location Car Audio Driver Size 10 Inches Audio Driver Type Dynamic Driver Audio Output Mode Surround Compatible Devices Car's built-in audio system, MP3 Player, Smartphone, Tablet Enclosure Material Mdf, Kevlar Frequency Response 200 Hz Subwoofer Diameter 10 Inches Wireless Technology No Wireless Communication Technology Connectivity Protocol wired Customer Package Type FFP Connectivity Technology wired Number of Audio Channels 2.0 Item Dimensions D x W x H 18 D x 11 W x 10 H Specific Uses For Product Car Compatible with Vehicle Type Car Speaker Maximum Output Power 1800 Watts Subwoofer Connectivity Technology Wired