Description
1- Sennheiser CX300S WIRED EARBUDS
price 5000
Ear coupling
Ear Canal
Transducer principle
dynamic, closed-back
Frequency response (speaker)
17 Hz to 21,000 Hz
Impedance 18 Ω
Sound pressure level (SPL)
118 dB (1 kHz/0 dB FS)
Total harmonic distortion (THD)
< 0.5 % (1 kHz, 100 dB SPL)
Microphone pick-up pattern
omni-directional
Microphone sensitivity
- 44dBV/Pa
-
Microphone principle
MEMS
Cable length
1.2 m
2- Audio-Technica ATH NC20 QUITEPOINT Noise Cancelling Headphones
price 3200
Specifications
Headphones
Type
Active noise-cancelling
Driver Diameter
40 mm
Frequency Response
20 – 20,000 Hz
Maximum Input Power
100 mW
Quietpoint Active Noise Reduction
Up to 15 dB
Sensitivity
100 dB
Impedance
20 ohms
Battery
AAA (alkaline)
Battery Life
Up to 40 hours, typical (alkaline)
Weight
104 g (3.7 oz), without cable and battery
Cable
Detachable 1.2 m (3.9') with 3.5 mm (1/8") stereo mini-plug and integrated volume control
Connector
3.5 mm (1/8")
Accessories Included
Airline adapter; AAA battery; protective pouch
Notes
Specifications measured with headphones in active mode.