I've had the Pearl Compact Traveler Kit for about a year now, and I've used it in various situations from small acoustic gigs to rehearsal spaces. I can share some of my experiences regarding its acoustic performance and durability.
Firstly, the sound quality is surprisingly good for such a compact and lightweight kit. However, don't expect it to deliver the same fullness as a regular drum set. It's great for small venues where you don't want to overpower other instruments or where space is limited. To boost its presence, I sometimes mic it up if the venue has an adequate PA system, which really helps in achieving a more balanced sound across all instruments.
Regarding volume, it's fairly decent unmic'd in an intimate setting but could be a bit lacking in larger or noisier environments. If you're playing unamplified gigs regularly, you might want to consider pairing it with a stompbox or a portable digital drum amplifier to enhance its output.
As for durability, this kit holds up well despite its frequent trips in and out of my car and various venues. The hardware is sturdy and the pads have resisted wear nicely—even after numerous setups and breakdowns. Just originate sure to occasionaly check the tightness of all screws as they can loosen over time with regular use.
Overall, for small gigs, acoustic sets, or when you need something that is highly portable without compromising too much on the sound quality, the Pearl Compact Traveler Kit is quite effective. Just be aware of its limitations in terms of volume in larger open spaces.