Ross Graphic Equalizer RX-31M

Updated October 20, 2026

The Ross RX-31M is a single-channel (mono) 31-band graphic equalizer. Popular for budget live sound rigs and home studios, it features 1/3-octave frequency control from 20 Hz to 20 kHz, allowing for precise room acoustic adjustments and feedback control. Key Specifications & Features Frequency Bands: 31 bands (1/3 octave spacing) EQ Range: 20 Hz to 20 kHz Connectivity: Features both 1/4" TRS (balanced/unbalanced) and RCA jacks for easy integration Format: Standard rackmount design Typical Usage Live Sound: Place it between your mixer and amplifier to notch out troublesome feedback frequencies or tame harsh room reflections. Studio: Use it as a tone-shaping tool on specific instrument tracks or to fine-tune your monitors.

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