This Package Includes the Following Items:
1 x Vented Subwoofer Box Single 15" Enclosure
1 x Harmony Audio HA-R154 Car Stereo Rhythm Series 15" Sub 900W Single 4 Ohm Subwoofer
1 x Harmony Audio HA-A800.1 Class D Mono 1600W Sub Amp
1 x Harmony Audio HA-AK4 Car 4 Gauge Amp - Nickel
Vented Subwoofer Box Single 15" Enclosure:
Features:Single 15" Vented Sub Box
Mounting Depth: 17"
Air Space: 2.65 Cubic Feet
Vented Enclosure
Dimensions: Width 21" x Height 16" x Depth 18"

Vented Design allows for maximum output
Constructed with High Quality MDF
Seven Sprayed on layers for a long lasting, durable, water resistant enclosure (same technology as spray-on bed liner)

Harmony Audio HA-R154 Car Stereo Rhythm Series 15" Sub 900W Single 4 Ohm Subwoofer:
Specifications:
15" Rhythm Series Car Subwoofer
Power Handling:
Peak: 900 watts
RMS: 450 watts
Sensitivity: 90.4dB
Frequency Response: 25Hz-1.2kHz
Mounting Depth: 7 11/16"
Mounting Cutout Diameter: 13 7/8"
Single 4 Ohm

Harmony Audio HA-A800.1 Class D Mono 1600W Sub Amp:
Specifications:
Power Handling:
14.4V @ 1 Ohm
800 Watts RMS x 1
1600 Watts PEAK x 1
14.4V @ 2 Ohm
600 Watts RMS x 1
1200 Watts PEAK x 1
Frequency Response: 10Hz-180Hz
RCAs: Input and Full Pass Through Audio Output
Features:
Includes Remote Bass Control Knob with Power Indicator LED
Includes HA-EASY Speaker Wire to RCA Adapter to Simplify Installation