Ashly has produced one of the most accepted and respected series of professional equalizers in the world. The GQX Series is available in three different configurations: the GQX-1502 features two channels of 15-band 2/3 octave equalization and a switchable high-pass filter. The GQX-3101 is a single-channel 31-band model, while the GQX-3102 features two channels of 1/3 octave EQ. Both the 1/3 octave models offer tunable high-pass filter circuits from 8 Hz to 200 Hz and 10-segment, two color LED meter displays, referencing 0 VU to +4 dBu. Dimensions: 19" W x 3.5" H x 6" D.