STAX SR-sr009
Open-Back
Electrostatic
Earspeaker
$5200
STAX SR-007MK2
Open-Back
Electrostatic
Earspeaker
$2600
Stax SR-404 electrostatic headphone
STAX SR-507
Signature
Open-Back
Earspeaker
$1050
STAX SR-407
Signature
Open-Back
Earspeaker
$580