MXR Bass Compressor M87

The Bass Compressor provides recording-quality compression with Constant Headroom Technology™ and true bypass switching for keeping your low end tight and clean.

This pedal can be powered by a 9-volt battery, a Dunlop ECB003 9-volt adapter, or the DC Brick™, Iso-Brick™, and Mini Iso-Brick™ power supplies (not included).