subwoofer equalizer, bass correction equalizer, bass boost
CT-7EQ - 7 Band 1/2 Din Car Audio Equalizer - CT Sounds – CT SOUNDS
Sound Storm Laboratories S4EQ 4-Band Preamp Equalizer, Subwoofer Outputs - Walmart.com
5 Band Parametric Equalizer & Pre-Amp Subwoofer Gain Control - Amplifier - Audio Accessories
ALPINE SWT-S10 1200w 10" Car Subwoofer in Bass Tube Enclosure+7-Band Equalizer - Rockville Audio
Amazon.com: Facmogu 2.1 CH 5-Band Car Audio Equalizer EQ, Adjustable 5 Bands EQ Car Amplifier Graphic Equalizer, w/Front, Rear + Sub Output and 2 Aux Input for Boat RV RTV Motorcycle Car
Amazon.com: LANZAR Parametric Equalizer Subwoofer - Gain Control & Bluetooth Wireless Audio Connectivity Blue Light Illumination, Version: 4.0, Range: Up to 32 ft Simple Pairing, Black (HTG50EBTH) : Everything Else
Power Acoustik PWM-5V Equalizer 5-Band Parametric Equalizer w/ Subwoofer Control - Walmart.com
Boss Audio Systems 7 Band Equalizer
Amazon.com: Audiotek At-eq500 Eq500 5-Band Graphic Equalizer with Subwoofer Output and Cd/Radio Selector Switch : Electronics
S4EQ | Sound Storm Labs
Planet Audio PEQ10 4 Band Pre-Amp Equalizer w/ Remote Subwoofer Level — The Wires Zone
Amazon.com: Timpano TPT-EQ7 7 Band 1/2 Din Graphic Car Audio Equalizer 6-Channel RCA Output and Subwoofer Control : Electronics
BOSS Audio Systems EQ1208 4 Band Pre-Amp Half-DIN Car Equalizer, Subfoofer Output, Dual Color Illumination
Audiopipe EQ5V15 5 Band Graphic Equalizer W/ Subwoofer Control – RecklessCarAudio
Amazon.com: Audiobank EQ7 1/2 Din 7 Band Car Audio Equalizer EQ w/Front, Rear/Frequency Adjustable /3 RCA Input for Portable Devices + Subwoofer Output Built-in 43-120Hz, 60-200Hz : Electronics
Car Audio Regulator Amplifiers Bass Subwoofer Stereo Equalizer Controller 4 Rca - Amplifiers - AliExpress
Power Acoustik® PWM-20 - 4-Band Parametric Audio Equalizer with Subwoofer Electronic Crossover
Amazon.com: Planet Audio PEQ15 5 Band Pre-Amp Car Audio Equalizer - Half Din, Subwoofer Output with Adjustable Filter, Fixed Bands, Remote Subwoofer Level Control : Everything Else
Amazon.com: 5 Bands Graphic Equalizer with SUB Volume Adjustable for Subwoofer Channel, Built in Bluetooth for Wireless Music Streaming, Stereo RCA Output, Aux RCA Input, Mounting Hardware Included : Electronics
2/3-Way 6-Channel Electronic Crossover Subwoofer Equalizer for Car Audio System | eBay
Amazon.com: PyleUsa Parametric Equalizer with Subwoofer - 5 Volt RMS Pre-Amp Output with Subwoofer Gain Control, and 2 Input Sources Selectable, Red & Green Light Illumination Selector : Electronics
New Soundstream MPQ-90 9 Band Equalizer Subwoofer Control EQ 8 Volt Line Driver 709483057388 | eBay
LANZAR Parametric Equalizer Subwoofer - Gain Control & Bluetooth Wireless Audio Connectivity Blue Light Illumination, Version: 4.0, Range: Up to 32 ft Simple Pairing, Black (HTG50EBTH) - Walmart.com
Soundstream MPQ-7B & Parametric Equalizer with Independent Subwoofer Level Control, Black/Blue - Event-Technology Portal
