MXR M87 Bass Compressor 12-String select your custom 5th string

select your custom 5th string or use the standard 5-string Light set

and down to vary the delay amplitude

Magnet type Ceramic

Its peerless and unique sound continues to amaze and inspire players to this day

MXR M87 Bass Compressor 12-String select your custom 5th stringNow you can take your favourite studio compressor on stage! A complete array of sound controls: input, output, ratio, release and attack makes it easy to fine tune your sound from subtle peak limiting to hard squashed compression effects. Your full dynamic range shines through until the signal reaches compression threshold, indicated by ten gain reduction status LED's. True hardwire bypass. Powered by 9 volt battery or AC adaptor (RPC921R).