The BLX24/SM58 is criticized for having a plastic construction, which may not be as durable as metal alternatives.

Despite being a Shure product, the BLX24 is noted for having lower RF performance and build quality compared to higher-end models like the SLX-D.

The BLX24/SM58 offers good feedback rejection, which is a crucial feature for live performances and settings where feedback is a concern.

The BLX system with internal antennas has limited range; BLX4R units offer better performance.

The Sennheiser EW-D system is praised for its premium build and reduced handling noise when paired with the Sennheiser 835 mic, especially after EQ adjustments.

The BLX24/SM58 is preferred over cheaper alternatives for its reliability, although more expensive models are recommended for professional settings.

BLX is adequate for speech/preaching with low RF channel use but may not handle high interference or multiple system environments well.

While both Phenyx Pro and Shure BLX24/SM58 have their drawbacks, the latter is preferred for its better overall performance despite build quality concerns.

BLX systems are analog and suffer diminished quality in poor signal conditions, compared to digital systems like SLX-D, which offer improved audio and build quality.

The SM58 is noted for being better than the PG58 at minimizing handling noise, making it a preferred upgrade for reducing such issues.

For optimal performance, keep BLX receivers close to transmitters and consider using external antennas for better range with rack units.

Proper microphone technique is critical for optimal performance; instruct users to hold the mic correctly to avoid the need for excessive gain, which can introduce noise.

Owners report that the BLX systems often pick up noise and have underwhelming range, making them less suitable for professional shows.

Handling noise can be reduced by cutting the bass frequencies unless vocal performances are involved, as most speech doesn't require low-end frequencies.

The Sennheiser EW-DP line is appreciated for its straightforward, app-free setup, with an interface that includes a useful "time remaining" battery life feature.