Pomme Cube is a portable speaker instead of passive amplifier, but it doesn’t require a battery, apparently the portable speaker is more suitable for use outside.
As its name implies, this is a cube shaped portable speaker that measures 8 x 8 x 8cm. Pomme Cube comes with a drive measuring 5.25cm in diameter with 4 ohm impedance in order to deliver you nice sound, while the integrated 3.5mm audio jack lets you connect the portable speaker with any music device with 3.5mm audio jack like iPhone, iPod touch, MP3 play, iPad, smart phone and etc. Apart from that, the colorful portable speaker ships with a practical stand to hold your music player.
Pomme Cube portable speaker is available in 5 colors, including black, white, green, pink and yellow, each one is priced at $15.4 USD. If you’re interested, jump to Strapya World for more details.