Impedance 18 Ω Frequency response (Microphone) 100 – 10,000 Hz (-10 dB) Frequency response (Headphones) 18–20,000 Hz (-10 dB)
Sound pressure level (SPL) 120dB (1kHz/1Vrms) THD, total harmonic distortion <0.5% (1kHz/100dB) Ear coupling Over-Ear
Jack plug 3.5mm angled Cable length 1.4m Transducer principle Dynamic
Weight 217g Pick-up pattern Omni directional Microphone sensitivity 44dbV/Pa
Acoustics Closed Sensitivity 120 dB SPL @ 1 kHz, 1V RMS
The HD 400S features a one button smart remote conveniently located on the cable, which allows you to control music and take calls with ease, and the sturdy folding design makes these headphones durable and compact enough to be taken anywhere. Sennheiser dynamic drivers deliver a well extended sound response with dynamic bass.
How can this one $2,000 and 23 sold 🙄
https://www.ebay.com.au/itm/385692787641?epid=225110430&hash…