The Cali76's HPF sidechain and clean blend features allow for a more natural compression, particularly beneficial for slap bass players.

It's noted that the Empress Compressor provides a similar feature set to the Cali76 but at a lower price and smaller size.

The Ampeg OptoComp is mentioned as a satisfactory alternative for those seeking optical compression with a different tonal response.

The MXR M87 is often compared to the Keeley Bassist Limiting Amplifier for its ability to push amps while maintaining a clean signal, appealing to players transitioning from other compressors.

The MXR M87 is noted for its transparent sound and extensive gain reduction LED indicators, which aid in adjusting for different pickup types.

Owners report the input knob on the M87 is highly sensitive and crucial for controlling compression, requiring precise adjustment to achieve desired effects.

The MXR M87 allows for precise tone shaping with its ratio, attack, and release controls, favored by punk players for smoothing out volume with a pick.

Some users find the MXR M87 more suitable for live performances due to its transparency and adaptability with other pedals.

Owners who prioritize a clean, punchy tone without additional 'dirt' effects find the MXR M87 an effective choice.

A few users note the M87 as being either overly compressive or ineffective, suggesting a steep learning curve for achieving subtle performance peaks.

One owner experienced a failure after five years, where the M87 stopped processing the signal, hinting at potential longevity concerns.

Some users highlight the pedal's clean and versatile sound, making it a go-to choice for those seeking a reliable compressor for both live and studio work.

The Empress Bass Compressor, offering additional features at a lower price, is favored by some for studio recording.

Some users find the M87 more effective with a high-pass filter (HPF) in front to prevent low bass frequencies from over-triggering compression, particularly when using a P-Bass.

Owners report the MXR M87 excels in punk rock settings, providing a clean and consistent tone that complements aggressive playing styles.