Speck Model ASC 4-Band Equalizer – Transfomer Version – Sonic Circus
API Audio 550b Discrete 4 Band EQ – Thomann United States
XEQ-4BT 4 Band, 3 Zone, Bluetooth Power Sports Equalizer
Wet Sounds Ws-420bt 4-band Parametric Eq With Bluetooth Three Zone Control : Target
API 5500 Dual 4-Band Equalizer | Reverb
EQ-5-V15 5 Band Graphic Equalizer with Subwoofer Control
EQ-47BMOTO 4 Band - 7V - Graphic Equalizer
Amazon.com: 4 Band Graphic Equalizer 7 Volt Line Driver Flush Mount Half-Din EQ-47BMOTO : Electronics
Amazon.com: Lanzar 4 Band Parametric Equalizer with Bluetooth Wireless Audio Connectivity HTGEPBT9H – Blue Light Illumination, Half-DIN, 3.5mm AUX Input Jack, Input Gain Adjustments,Black : Everything Else