Nillkin Amp case test with sound meter
Amp case test with sound meter: it obviously helps increase the sound on the top and two sides by about 10 dB. Equalizes the phone's sound range for fuller, richer sound. https://goo.gl/xJrfLt https://goo.gl/fg7SuD
Amp case test with sound meter: it obviously helps increase the sound on the top and two sides by about 10 dB. Equalizes the phone's sound range for fuller, richer sound. https://goo.gl/xJrfLt https://goo.gl/fg7SuD