This Package Includes the Following Items:
1 x Harmony Audio HA-A1500.1 Car Stereo Class D Amp Mono 3000 Watt Subwoofer Amplifier
1 x Harmony Audio HA-ML181 Monolith 18" Competition Sub 3500W Dual 1 Ohm Subwoofer
1 x Harmony Audio HA-AK0 Car Stereo Complete 1/0 Gauge 3000W Amp Amplifier Install Kit - Nickel
Harmony Audio HA-A1500.1 Car Stereo Class D Amp Mono 3000 Watt Subwoofer Amplifier:
Specifications:
Power Handling:
14.4V @ 1 Ohm
1500 Watts RMS x 1
3000 Watts PEAK x 1
14.4V @ 2 Ohm
1200 Watts RMS x 1
2400 Watts PEAK x 1
Frequency Response: 10Hz-180Hz
Signal to Noise Ratio: 95dB, A-weighted
Turn On: DC Offset or 12V Remote
Dimensions: 19-5/8" Width x 6-1/8" Width x 2" Height
Features:
Includes Remote Bass Control Knob with Power Indicator LED
Includes HA-EASY Speaker Wire to RCA Adapter to Simplify Installation

Harmony Audio HA-ML181 Monolith 18" Competition Sub 3500W Dual 1 Ohm Subwoofer:
Specifications:
18" Monolith Series Car Subwoofer
Power Handling:
Peak: 3500 watts
RMS: 1750 watts
Sensitivity: 88.4dB
Frequency Response: 30Hz-300Hz
Mounting Depth: 12"
Mounting Cutout Diameter: 16-13/16"
Min Sealed Box Volume (Cubic Feet): 3.88
Max Sealed Box Volume (Cubic Feet): 7.24
Min Vented Box Volume (Cubic Feet): 5.65
Max Vented Box Volume (Cubic Feet): 7.77
Magnet Weight: 306 Ounces
3" CCAW Voice Coil
Dual 1 Ohm