MXR M108 - 10 band EQ, solid metal enclosure, controls for volume and gain. Frequencies: 31Hz, 62.5Hz, 125Hz, 250Hz, 500Hz, 1kHz, 2kHz, 4kHz, 8kHz and 16kHz. 1x input and 1x output, status LED, incl. 18 V power supply (Dunlop CB-004)