Koss CS300 USB
Image source — © Koss
Model name
CS300 USB
Transducer principle
Dynamic or Isodynamic
Scheme
N/A
Wearing style
Over-ear
Frequency response low +/- 10dB (Hz)
20
Frequency response high +/- 10dB (Hz)
22 000
Max. sound pressure level (dBSPL (1 kHz @ 5% THD))
N/A
Connection type
Wired
Connector (mm)
USB-A
Sensitivity (dBSPL (1 kHz/ 1 mW)))
N/A
Impedance (Ohm (1 kHz))
N/A
Playback time (hours)
N/A
Weight (g)
N/A
Official link
These are the legendary portable over-ear headphones with a headset, featuring an open design and an iconic retro design, recognizable since 1984. The model has a soft and lightweight headband with two—level Comfort Zone adjustment - the headphones can be precisely adjusted to the head and reduce pressure on the ears, even with prolonged use. The weight is only 79 g, which makes them almost weightless.
One-way USB office headset with overhead design, great for call centers, business calls, distance learning and online chat. The headset is equipped with a comfortable headband and a D-Profile ear pad, which provides comfort during prolonged use and good passive noise insulation.
A wired stereo headset for work, training, and online conferences, designed for all-day comfortable use. These are semi-closed overhead two-way headphones with a headband and comfortable D-profile foam ear pads, which isolate external noise well and do not tire when worn for a long time.
It is a lightweight two-way headset with a 3.5mm jack designed for office work, call centers, online training and VoIP communications. Ear pads with a branded D-profile provide a comfortable fit and good sound insulation during long conversations.
It is a lightweight, open-type mono headset with an overhead ear pad (on one ear), focused on computer tasks: Internet telephony, conference calls, training and office work. One of the features is a flexible electret microphone with noise cancellation, which makes it convenient for voice communication even in noisy environments.