9v Sound System: low voltage is high power.
The 9 Volt Sound System is a large horn speaker system with an explosively impressive sound quality.
~Flow instruments.
2012 Cultural Olympiad commission "~Flow".
~FLOW is a floating self powered structure based on a traditional ‘Shipmill’. A waterwheel will harness the power of the river Tyne. We are going to use this energy to power a number of electro-acoustic musical instruments that combine mechanical automation and digital technology to produce sounds that respond to the river.
iLogs
Which iLog are you?
Believe Your Ears
'Call it astonishing. Unbelievable. Impossible, even. Then pick it up and hold it in your hand. Take in the brilliant splinter-less wooden display. Run your thumb around the rose wood wheel. Your ears begin to perk up.
m-Log
The m-Log Is the latest development in Owl Project technology; a powered USB controller interface. 
Like the iLog, the m-Log fits in the palm of your hand and is made using a semicircular cross-section of a branch. Personalise yours with switches, wooden knobs and an accelerometer. The m-Log has plug and play co
