Pyle Parametric Equalizer with Subwoofer - 5 Volt RMS Pre-Amp Output W/ Subwoofer Gain Control $45.49 View Details
Planet Audio PEQ10 Car Equalizer - 4 Band, Pre-Amp, Half Din, Subwoofer Output with Adjustable Filter, fixed bands, Remote Subwoofer Level Control, DPS Processor $39.38 View Details
4-Band EQ Equalizer Piezo Pickup EQ-7545R Pre-Amp Acoustic Guitar Preamp Amplifier Tuner $12.98 View Details
4 Band Graphic Equalizer 15 Volt Line Driver Half DIN Chassis Blue Red Backlight Audiopipe EQ-4-V15 $87.99 View Details
