Headphones the FiiO K7 Drives

Dac Amp · Single Ended

Output impedance 1.0 Ω manufacturer
Output type Single Ended Dac Amp
Power output 1220 mW @ 32 Ω 140 mW @ 300 Ω 70 mW @ 600 Ω*est.
FiiO K7 SE headphone output from manufacturer spec page (fiio.com/k7_parameters): L+R ≥ 1220 mW+1220 mW @ 32 Ω, L+R ≥ 140 mW+140 mW @ 300 Ω (THD+N<1%). Output impedance <1 Ω @ 32 Ω from manufacturer. 600 Ω derived from 300 Ω. · Source ↗
24 ample 7 adequate

✓ Ample headroom 24

Headphone Headroom Damping Driver
Koss Porta Pro Ample 26.5 dB ✓ ok Dynamic
Grado SR80x Ample 26.2 dB ✓ ok Dynamic
AKG K371 Ample 25.6 dB ✓ ok Dynamic
Sennheiser HD 560S Ample 24.6 dB ✓ ok Dynamic
Sony MDR-7506 Ample 24.5 dB ✓ ok Dynamic
Meze 99 Classics Ample 23.9 dB ✓ ok Dynamic
Philips SHP9500 Ample 21.9 dB ✓ ok Dynamic
Audeze LCD-2 Classic Ample 21.9 dB ✓ ok Planar
Sennheiser HD 599 Ample 21.8 dB ✓ ok Dynamic
Audio-Technica ATH-M50x Ample 21.1 dB ✓ ok Dynamic
Audio-Technica ATH-AD700X Ample 20.9 dB ✓ ok Dynamic
Focal Clear (original) Ample 20.9 dB ✓ ok Dynamic
Audeze LCD-X Ample 20.5 dB ✓ ok Planar
Beyerdynamic DT 770 Pro 80 Ample 17.1 dB ✓ ok Dynamic
HiFiMan Arya Ample 15.8 dB ✓ ok Planar
AKG K702 Ample 15.2 dB ✓ ok Dynamic
Sennheiser HD 660S Ample 14.9 dB ✓ ok Dynamic
AKG K712 Pro Ample 13.8 dB ✓ ok Dynamic
HiFiMan Sundara Ample 13.5 dB ✓ ok Planar
Sennheiser HD 800 S Ample 13.1 dB ✓ ok Dynamic
HiFiMan Edition XS Ample 12.7 dB ✓ ok Planar
Sennheiser HD 600 Ample 12.0 dB ✓ ok Dynamic
AKG K240 Studio Ample 11.9 dB ✓ ok Dynamic
Sennheiser HD 650 Ample 11.8 dB ✓ ok Dynamic

◑ Adequate headroom 7

Headphone Headroom Damping Driver
Fostex T50RP Mk3 Adequate 10.0 dB ✓ ok Planar
Drop + Sennheiser HD 6XX Adequate 9.2 dB ✓ ok Dynamic
Beyerdynamic T1 (3rd Gen) Adequate 8.5 dB ✓ ok Dynamic
Beyerdynamic DT 880 Pro Adequate 7.0 dB ✓ ok Dynamic
Audio-Technica ATH-R70x Adequate 6.5 dB ✓ ok Dynamic
Beyerdynamic DT 770 Pro 250 Adequate 5.9 dB ✓ ok Dynamic
Beyerdynamic DT 990 Pro Adequate 4.8 dB ✓ ok Dynamic