. 2018 Oct 23;6(10):e186. doi: 10.2196/mhealth.9560
©Kwanchanok Yimtae, Pasin Israsena, Panida Thanawirattananit, Sangvorn Seesutas, Siwat Saibua, Pornthep Kasemsiri, Anukool Noymai, Tharapong Soonrach. Originally published in JMIR Mhealth and Uhealth (http://mhealth.jmir.org), 23.10.2018.
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Figure 10.
Electroacoustic measurements of sample headphones versus TDH39. dBSPL: decibels sound pressure level.