Should get these for when filming a Mascletà in Valencia.

Up to 24 hours continuous use per charge
Electronic Noise Suppression – Suppresses harmful impulse and background noise on the job site and at home
Voice Amplification Technology – Enhances close range conversations
Auxiliary Input – iPod and MP3 compatible
Water Resistant – Functions in [...]

Similar what I blogged on RGS before – The giant headphone but this one comes with a little bit more kick to pump your jam.
No speaker on the market packs such a powerful punch. Operatingthe same way as a quality subwoofer, a secret resonating chamber amplifies the speaker output through a patented expander tunnel. [...]

Having gadgets is great but charging them can be a pain. Where is the Apple cable? Where can I hook it up … sigh I forget to charge my phone again…
Power sent straight to your gadgets without needing to plug them in? This is witchcraft of the highest order – electricity needs a [...]

Ha ha .. funny video from your iPod straight to the classroom wall.
This is the pocket-sized device that projects a 60" image from an iPod, iPhone, or any video source with composite outputs. About the size of a candy bar, the unit projects bright, clear images and pivots up to 90º to display content [...]

 
Only in rare occasions shorter/smaller is actually better!
Truthfully, if you look down at your desk now, and you don’t see what looks like a spaghetti tangle of wiring, consider yourself lucky. That sort of organization leads to a healthy mind, and inner awareness. However, not all devices can work effectively without wires. Wireless charging [...]

Stream your iPod / iPhone music to any radio within 10 meters range.
With this iPod FM Transmitter, you can enjoy the fun of music anywhere. Digital PLL, wave signal transmission keeps reception clear even under extreme conditions. Powered directly by iPod or iPhone.
Description:

With this iPod FM Transmitter,  you can play music from your [...]

What else do you need? I’m just in love with 2 in 1 gadgets.
Meet your Wall with your Pod without the hassle and mess of cords. The distinctive reviveLite will charge your iPod and iPhone with the performance and standards that Energy Star and you are looking for. Availble in two awesome colors and [...]