Skar audio SK-M900SD with 8in Sub in ported box, comes with paperwork and original boxing.. is still under warranty. Text ME 7852226554. CASH ONLY IN PERSON. PRICE IS NEGOTIABLE!!!

SPECS: 

• Compact "Mini" Class D Full-Range Five Channel Car Amplifier
• The compact design of this amplifier series allows for maximum versatility
• RMS Power at 4 Ohms: 55W x 4 Channels + 300W x 1 Channel (14.4v)
• RMS Power at 2 Ohms: 85W x 4 Channels + 450W x 1 Channel (14.4v)
• RMS Power at 4 Ohms (Bridged): 170W x 2 Channels (14.4v)
• Frequency Response: 10Hz - 20kHz for CH 1-4 & 10Hz - 500Hz for CH 5
• Working Voltage: 8.5V - 16V
• Signal-to-Noise Ratio (Sensitivity): 85dB
• Damping Factor: 100<
• Low Level Input (Gain): 8V - 0.2V
• Speaker Output Adapter Connection: Yes
• Crossover Control: HPF / Full-Range / LPF
• 4-Way Protection Circuitry Built-in (Thermal, Voltage, Speaker, DC)
• LED Power & Protection Indicators
• Fuse Rating: 80 Amps
• 8 Gauge Power and Ground Input Terminals
• Remote Bass Knob and Cable Included
• Dimensions: 12.4" (Length) x 4.6" (Width) x 1.7" (Height)

Channel 1/2 Crossover

• High-Pass Filter / Full-Range / Low-Pass Filter
• Variable Crossover Frequency Range: 20Hz - 500Hz

Channel 3/4 Crossover

• High-Pass Filter / Full-Range / Low-Pass Filter
• Variable Crossover Frequency Range: 20Hz - 500Hz

Channel 5

1. Low-Pass Filter Range: 50Hz - 500Hz
2. Bass Boost: 0dB - 18dB. 

Sub and Box Spec

Included Subwoofer Size8"

Enclosure TypePorted / Vented Bass Tube

Powered?Non-Amplified (Passive)

Peak Power Output400 Watts

RMS Power Output200 Watts

Frequency Response Range35 Hz - 250 Hz

Subwoofer Voice Coil Size1.5"

Subwoofer Voice Coil TypeDual 2-ohm

Subwoofer Magnet TypeFerrite - 45 Oz.

Enclosure Material5/8" High Grade MDF

Enclosure FinishAutomotive Black Trunk Liner

Final Impedance Load at Box Terminals1