The Massive EQ 4 is a half din 4 Band Graphic EQ that will correct peaks and dips in sound characteristics associated with most vehicles' interior that dampens and limits both speaker output and imaging. This EQ provides powerful features in a compact size

SPECIFICATIONS:

• 1/2 DIN
• 4 Band Graphic Equalizer
• 50Hz, 315Hz, 2.5KHz, 12KHz
• Each Frequency Adjustable From -12dB to +12dB
• * -15dB to +15dB for Subwoofer Frequencies
• Subwoofer Output Fixed at 120Hz
• 8 Volt Output Line Driver
• Auxiliary inputs 3.5mm for MP3, DVD or Phone
• Three Stereo RCA Outputs (Front/Rear/Subwoofer)
• Adjustable Master Volume Level Control
• Adjustable Active Gain Preamp
• 30V Bi-Polar Switching Power Supply
• Frequency Response 10Hz - 50KHz / 100dB S/N 
• 20dB Headroom
• Adjustable Subwoofer Level Control
• Input Impedance 20K Ohms
• Stereo Separation 82dB / 1KHz
• Operating Voltage 11V - 15V Negative Ground
• ISO Mounting Holes / Removable Trim Ring
• 2-Channel RCA Input with Adjustable Gain
• Dimensions: 7"(W) " 1"(H) " 4 1/8"(D)