I would give In Case UK a zero rating… I would give In Case UK a zero rating if I could. Absolutely dreadful company to deal with. This is the second time I've used them. The first time, last year, my phone case just didn't arrive. Having chased them up, I got no response....
Bespoke case manufacturers, custom transit cases, In Case Solutions are based in Hertfordshire, London, UK. Cases for transit and presentation
Checking out the technical specifications we noted that Incase claims the Sonic’s 40mm diaphragm driver is capable of a 20hz-20kHz frequency response with a rated SPL of 103 db (+/- 3db) @ 1kHz and an impedance around 32 ohms, give or take 15%. The total harmonic distortion rating is ...