Altec Lansing Boomjacket

Powerful, loud speaker with focus on mids and highs. Rugged, all-weather design. Can charge mobile devices. Long battery life. Speakerphone with voice control.

Lacks low end. A bit heavy for a portable speaker. Digital signal processing can be jarring on some genres.

Performance and Conclusions A transient peak, in audio, is when a brief moment of a song is louder than the others — think of a snare drum hitting hard in an otherwise quiet section. With pop music, we don't hear this much because most music is...