About: http://webisa.webdatacommons.org/217936484

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Hmm, from 1.5 kHz to 70 Hz there is a difference of about 4 dB with the PX100 (impedance ranges from about 34 to 60 ohm) so the output impedance seems to be a lot higher.
http://www.w3.org/ns/prov#wasQuotedFrom	hydrogenaud.io