One of the trends I saw on the floor at Macworld | iWorld 2012 is an increasing number of companies producing high-end audio and home theater equipment to use with your Mac and/or iOS devices. Here are some standouts from the show floor.

Finding good Bluetooth headphones is a pain, and even big names with strong reputations in audio won’t necessarily come through for this category. But niche headphone maker Jaybird has done a terrific job with its Freedom headset, which combines good audio with gym-friendly features.

Tweeting while in the shower? Blogging while in the bathtub? The Lifeproof iPhone case makes it possible, and even manages to do so without adding much girth to your device or sealing it away in a cumbersome bag-style cover, like other alternatives.

This week, Kickstarter kicked off some high profile projects, along with a couple that seem like they should be official offerings from Apple to begin with. Here’s what’s hot this week on the crowdsourced funding site in Apple device accessories.

All Macs released in recent years support true surround sound via optical out, but you need a home theater system to take advantage. Luckily, the Turtle Beach PX5 gaming headset provides an alternative that’s quieter, better for small spaces, and probably cheaper for Mac HTPC setups.

While I wouldn’t want to return to the days of clamshells, external antennas and dumphones, using the iPhone 4 sometimes feels like making calls with a fragile butterfly. To that end, I’ve built an accessory ecosystem to keep my iPhone 4 both beautiful and useful.