The Gear4 SonicBoom Speaker System for Playstation Portable. Try saying that with a mouthful of marbles. The PSP gets some sound boosting, sub-woofer, high definition love. Well OK, a bit of 2.4W per channel and ActiveBass love. £49.99.
Bring your music, games and movies to life with the SonicBoom – a compact 2.1 stereo speaker system that delivers a truly awesome audio experience for your PSP or other MP3 players. With two speakers and a powerful sub-woofer, break the gaming sound barrier and transform your PSP for audio that is unparalleled by even the most powerful gaming consoles, let alone such a portable device.