Model FA9 FH7 FA7 FH5 FA1 F9 PRO F9 FA7s FH1
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 + 2 balanced armature drivers

6 Balanced Armatures

 1 dynamic driver + 1 balanced armature 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 Dual balanced armature driver

Knowles HODVTEC-31618 (Bass); Knowles RAD-33518 (Highs); DIBEI db646006 (Mids)

 Knowles 33518
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 9.2mm PEK polymer nanocomposite dynamic driver N/A  10mm titanium diaphragm dynamic driver
Frequency Response 15H~40kHz 5~40kHz  20~40kHz 15~40kHz 20~40kHz 15Hz~40kH 15Hz~40kH

10-40kHz

 20Hz~40kH
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) 106 dB/mW (@1KHz)

111dB (1kHz@1mW)

 106 dB/mW (@1KHz)
Impedance 16Ω（@1kHz）（S1 ON）
32Ω（@1kHz）（S1 OFF）		 16Ω 23Ω(@1KHz) 19Ω (@1KHz) 15Ω(@1kHz) 28 Ω (@1KHz) 28 Ω (@1KHz)

18Ω@1kHz

 26 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 3.5mm straight gold-plated stereo jack / 2.5mm TRRS straight gold-plated stereo jack

2.5/3.5/4.4mm straight swappable audio plugs

 3.5mm L-shaped gold-plated stereo jack (CTIA standard)/2.5mm TRRS 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 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 3.76g (excl. the cable)

About 8.4g (excl. cable)

 About 3.8g (excl. the cable)
Color Multiple Titanium Multiple Titanium Black and Blue/Red combo  Titanium Black / Red

Silver/Black

 Red / Green / 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 (Standard MMCX connector)

 Yes (standard MMCX connector)