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. Take your favorite studio compressor to the stage with the MXR Bass Compressor. A complete array of controls-Attack, Release, Ratio, Input, and Output-makes it easy to fine-tune your sound, from subtle peak limiting to hard squashed compression effects. Its CHT™ Constant Headroom Technology gives you plenty of headroom and clear performance. This totally transparent 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 LEDs. It's all packed into a durable, lightweight aluminum-housing pedal that's the size of a Phase 90. Features Classic studio compressor in a Phase 90-sized pedal CHT™ Constant Headroom Technology for clear, clean performance Ten Gain Reduction status LEDs True bypass POWERThe MXR Bass Compressor is powered by one 9-volt battery (remove bottom plate to install), a 9-volt AC adapter such as the Dunlop ECB003/ECB003E, or a DC Brick™ power supply Specs Output Impedance: 600 ΩMax Input Level: +14 dBVMax Output Level: +8.5 dBVFreq. Response: ±1 dB, 20 Hz to 20 kHzNoise Floor*: -90 dBVTHD** > 0.5%Gain: 31 dBCompression Ratio: 4:1, 8:1, 12:1, 20:1Attack Time: 20 µs to 800 µsRelease Time: 50 ms to 1.1 sBypass: True HardwireCurrent Draw LEDs OFF 14 mA LEDs ON 19 mAPower Supply: 9 volts DC *A-Weighted, all controls at mid position **20 dB gain reduction, 1.1s release setting, 50 Hz to 20 kHz
