The 'iPod of Prison':
What makes this Sony radio an instant classic behind bars?
The Independent | 17 January 2014
...there’s one demographic with whom the Japanese company is still incredibly popular: American prisoners.
This is all thanks to an AM/FM radio built especially for the market. Known in typically utilitarian Sony-speak as the SRF-39FP (the FP stands for ‘Federal Prison’) the radio was first released fifteen years ago but remains a firm favourite to this day...more...