M87 Bass Compressor

The MXR M87 Bass Compressor pedal is designed to provide recording-quality compression with Constant Headroom Technology™ and true bypass switching, ensuring a tight and clean low end. It offers a complete array of controls including Attack, Release, Ratio, Input, and Output, allowing for fine-tuning of the sound from subtle peak limiting to hard squashed compression effects. The pedal features ten gain reduction status LEDs, providing clear indication of compression threshold and response time.

Technical Specifications:
- Input Impedance: 1 MΩ
- Output Impedance: 600 Ω Max
- Input Level: +14 dBV
- Max Output Level: +8.5 dBV
- Frequency Response: ±1 dB, 20 Hz to 20 kHz
- Noise Floor: -90 dBV THD** > 0.5%
- Gain: 31 dB
- Compression Ratio: 4:1, 8:1, 12:1, 20:1
- Attack Time: 20 µs to 800 µs
- Release Time: 50 ms to 1.1 s
- Bypass: True Hardwire
- Power: Requires optional 9-volt power supply or 9-volt battery

The MXR M87 Bass Compressor pedal is suitable for both bass and guitar use, and its Constant Headroom Technology provides ample headroom and clarity in performance. The pedal is housed in a durable, lightweight aluminum casing, making it road-ready and suitable for professional use.