Features:
IP67/IP66 Waterproof & Dustproof
ASTM B117 Rustproof
Vibration-proof
Increased Power Flow
High Quality Capacitors
Magnetic Shielding
Speaker Level Input
Wired Level Control Included
System Expansion Ready
x2 Paired Parallel Speaker Cables

Specifications:
Audio unit
Max Power Output: 600W
Rated Power Output
Stereo (4 ohms) 200W x 1 (20Hz - 200Hz, less than or equal to 1.0% THD)
Stereo (2 ohms) 300W x 1 (100Hz, less than or equal to 1.0% THD)
Speaker Impedance: 4 ohms (2 ohms to 8 ohms allowable)
Frequency Response (+0, -3dB): 20Hz - 200Hz
Input Sensitivity (+0, -3dB): 0.2V - 5.0V
Signal to Noise Ratio: 97dB
Low Pass Filter Frequency (-12dB/oct.): 50Hz - 200Hz (variable)
Bass Boost Control: 0-+18dB
Bass Boost Frequency: 40Hz / 60Hz / 80Hz

General
Operating Voltage: 12V DC car battery
Current Consumption: 14A
Dimensions (W x H x D): 7-13/16" x 1-15/16" x 4-1/8"
Weight: 1.2kg (2.7lbs)
Waterproof & Dustproof: IP66, IP67