7 BANDGRAPHIC EQUALIZER BY GRAVITY! The Gravity 7 Band Graphic Equalizer GR-EQ9 is a one of the best graphic equalizers by Gravity. With the various features and specialties such as 10Hz to 50kHz frequency, 11-15v DC power supply, equalization range of +-12 dB make this item impactful. Subwoofer Equalizer: 60/90Hz, Signal To Noise: 90dB, Max Output Volt: 7V RMS PRE Graph Frequency 50Hz – 16kHz are more features. All of these features and power makes your user experience great. A graphic equalizer is the simpler type of audio equalizer, most often sporting multiple sliders or controls for boosting or cutting bands. Its Simple and intuitive operation and it has a broad range of effect. Ideal for general use. The GR-EQ9 gives you great value for your money and satisfaction with a perfect music and sound. We have been providing a huge amount of this items to customers. They love them and keep sending us more friends for use the Gravity 7 Band Graphic Equalizer GR-EQ9 as well. We are getting very good feedback and reviews from our valued customers.