The Massive EQ 7 will correct peaks and dips in sound characteristics associated with most vehicles’ interior that dampens and limits both speaker output and imaging. 1/2 DIN, 7 band Graphic Equalizer, 8v Line Driver, auxiliary inputs, 6-Channel / 7 Volt RCA Outputs (Front/Rear/Subwoofer), Adjustable Master Volume Level Control, Adjustable Subwoofer Level Control, 2-Channel RCA AUX Input with Adjustable Gain, Selectable 12dB Low-Pass Crossover (60Hz or 90Hz), Gold Plated Terminals, Dimensions:7"(W) × 1"(H) × 4"(D)

The Massive EQ 4 will correct peaks and dips in sound characteristics associated with most vehicles’ interior that dampens and limits both speaker output and imaging. 4 frequency band controls within the range of 20Hz - 20 kHz. (Sub, Mid, High, Low) 1/2 DIN, 4 band Graphic Equalizer, 8v Line Driver, auxiliary inputs, fader, sub control, pulse width modulated (PWM) switching power supply, low pass frequency adjust. Additionally the EQ4x has an auxiliary input that allows you to use a portable device such as a MP3 player, video or i-Pod.

This 2 Farad Cap Features Automatic Standby Mode, Extreme Low ESR For Faster Charge / Discharge, 4 Digits Precision Display Indicator to Monitor Voltage, Chrome Plated Metal Parts.

The FLATLINE by Massive Audio is an 8-channel hi-end line-output converter that will allow you to add aftermarket products to your OEM stocked vehicle. This unique product will convert your speaker level signal from a factory installed amplifier or head unit to a high quality, low noise pre-amp signal with summing options for additional flexibility. Now hook up that I-PODTM or MP3 Player while still using your factory head unit and turn that stock radio into a Massive Sound System!