Amazon.com: 7 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
Vintage MCS - Modular Component Systems Stereo Frequency Equalizer No.3030 | eBay
TPT-EQ7 - 7 Band 1/2 Din Car Audio Equalizer - Timpano Audio
Vintage TEAC GE-6 Graphic Equalizer 6 Band Stereo EQ Component - Made in Japan - 1982 Silver | Reverb
Octpeak Car Audio Graphic Equalizer,7‑Band Graphic EQ,Car Audio Graphic Equalizer Universal Low Pass 7‑Band Variable Gain Adjustment High Level Input EQ For Stereo System - Walmart.com
PRV EQ7-15 7 BAND GRAPHIC EQUALIZER – EvolveSoundsInc