Rolls EQ570 Audio Equalizer
Bellari Audio
31-Band Stereo Graphic EQ, Equalizer Amplifier with Customize 10 Preset Results and Automatic Noise Reduction, Independent Signal Conditioning and PC Debugging
CYTBEK
31-Band Stereo Graphic EQ, Professional 2-channel Graphic Equalizer with Customize 10 Preset Results Save and Low/mid/treble Independent Adjustment, for Recording Studio
SONLED
220V QS40 Professional Graphic Equalizer, 2U Dual 31 Bands Spectrum Audio Equalizer Home Conference Performance Bar EQ Tuner