Check the listing for details. Jim Dunlop Bass Compressor. Condition: New. Listed at 199.99 USD. MXR's M87 Bass Compressor puts studio-grade bass compression right on your pedalboard! You'll love how the M87 puts you in complete command of compression functions, thanks to attack, release, ratio, input, and output controls. The built-in Constant Headroom Technology (CHT) ensures plenty of headroom. You want your bass to retain its character, even during the most energized moments. The M87's transparency never lets the compression compromise your sound. Ten easy-to-see gain-status LEDs let you know when the compression threshold has been reached. Take studio-quality bass tones to the stage, with the M87 Bass Compressor! MXR M87 Bass Compressor Pedal Features: CHT Constant Headroom Technology for clear, clean performance True bypass 10 gain-reduction status LEDs Attack, release, ratio, input, and output controls Lightweight, tough aluminum housing Pedalboard-friendly footprintCHT Constant Headroom Technology for clear, clean performanceTrue bypass10 gain-reduction status LEDsIts CHT Constant Headroom Technology gives you plenty of headroom and clear performanceThe totally transparent M87 Bass Compressor allows your full dynamic range to shine through until your signal reaches the compression threshold, which is indicated by the ten highly visible gain-reduction status LEDsModel Number: M87