Pair Headphones with Amps
Compare Headphones
Audiobot Notes
Peak SPL

119.2 dB

This was approximated from the source output at 32 Ω

Damping factor 92.3
Koss Porta Pro
Koss Porta Pro
Impedance 60 Ω
Efficiency 101.0 dB SPL/mW
Frequency Response 15 - 25,000 Hz
Transducer Type Dynamic
Operating Principle Open
Ear Coupling On-ear
Weight 70 g
Price History
Current $34.97
Highest $70.86
Lowest $34.97
Search Item
Similar Headphones
Sennheiser PX 100-II
Grado iGrado
Yamaha HPH-200
AKG K 121 Studio
AudioQuest DragonFly
AudioQuest DragonFly
Output Impedance 0.65 Ω
Power Output 125 mW at 32 Ω
Additional Notes
"The heart of DragonFly is the 24-bit ESS Sabre™ conversion chip, a high-performance solution that’s typically found in better CD and Blu-ray Disc™ players. DragonFly can accept audio and music files ranging from MP3s and CD-standard 16-bit/44kHz to native 24-bit/96kHz high-resolution, regardless of music file format. If your computer’s software can recognize and play a format, DragonFly will make it sound its best."
Price History
Current $99.00
Highest $99.95
Lowest $99.00
Search Item