Model FA9 FH7 FA7 FH5 FA1 F9 PRO FD5 FD1
Type 6 balanced armature drivers 1 dynamic driver + 4 balanced armature drivers 4 balanced armature drivers 1 dynamic driver + 3 balanced armature drivers Single balanced armature driver 1 dynamic driver + 2 balanced armature drivers 1 dynamic driver  1 dynamic driver 
BA KnowlesHODVTEC-31618+
EJ-33877+
SWFK-31736
Knowles DFK+
dual balancedarmature
driver SWFK-31736
Knowles CI-22955 + ED-29689 + dual BA driver SWFK-31736 Knowles ED-30262 + dual BA driver TWFK-31082 Knowles ED-33357 Knowles dual BAdriver TWFK-30017 N/A N/A
DD N/A 13.6mm dynamic driver N/A 10mm PU+PET polymer nanocomposite dynamic driver N/A 9.2mm PEK polymer nanocomposite dynamic driver 12mm DLC+Beryllium-plated diaphragm 10mm Beryllium-plated dynamic driver
Frequency Response 15H~40kHz 5~40kHz  20~40kHz 15~40kHz 20~40kHz 15Hz~40kHz 10Hz~40kHz 10Hz~40kHz
Sensitivity 113dB/mW(@1kHz)(S1 ON)
110dB/mW(@1kHz)(S1 OFF)
111dB/mW 110dB/mW (@1KHz) 112dB/mW (@1KHz) 111dB/mW(@1KHz) 106 dB/mW (@1KHz) 109 dB/mW (@1KHz) 109 dB/mW (@1KHz)
Impedance 16Ω(@1kHz)(S1 ON)
32Ω(@1kHz)(S1 OFF)
16Ω 23Ω(@1KHz) 19Ω (@1KHz) 15Ω(@1kHz) 28 Ω (@1KHz) 32 Ω (@1KHz) 32 Ω (@1KHz)
Plug 3.5mm L-shaped gold-plated stereo jack 3.5mm L-shaped gold-plated stereo jack 3.5mm L-shaped gold-plated stereo jack 3.5mm L-shaped gold-plated stereo jack 3.5mm L-shaped gold-plated stereo jack 3.5mm L-shaped gold-plated stereo jack / 2.5mm TRRS L-shaped gold-plated stereo jack 2.5mm/ 3.5mm /4.4mm 3.5mm L-shaped gold-plated stereo jack
Cord Length 1.2m 1.2m 1.2m 1.2m 1.2 m 1.2 m 1.2 m 1.2 m
Weight (per earbud) About 6.2g (excl. the cable) About 7.1g (excl. the cable) About 5.2g (excl. the cable) About 7.1g (excl. the cable) About 4.5g (excl. the cable) About 3.76g (excl. the cable) About 11g (excl. the cable) About 4.5g (excl. the cable)
Color Multiple Titanium Multiple Titanium Black and Blue/Red combo  Titanium Black / Red  Blue / Black
Detachable Cable Design Yes(standard MMCX connector) Yes(standard MMCX connector) Yes (standard MMCX connector) Yes (standard MMCX connector) Yes (standard MMCX connector) Yes (standard MMCX connector) Yes (standard MMCX connector) Yes (0.78 Pin)