Best cheap QLED TV deals for May 2021: Samsung and Vizio. The lower frequencies like 150 and 250 Hz are the bass low end EQ settings can now be found in everything from phones and The best Walmart TV deals for May 2021: 4K TVs, QLED TVs, and OLED TVs. Move the control up to boost that frequency - and down to cut it. The default will be set flat like the example above. The graphic equalizer on your TV may well have a different number of bands - and different frequencies.
