Sennheiser HD 660S2 Wired Headphones

Sennheiser HD 660S2

There are small scratches on the headphone housing (see photo 7).

- Accessories are as shown in the photos.
All accessories included: 6.3mm unbalanced cable (1.8m), 3.5mm mini plug adapter
Genuine 4.4mm balanced cable (1.4m)
Open heart 4.4mm balanced cable (1.4m)
Outer box not included

■ Shipping included
■ Operation confirmed and working without issues.
■ There are scuffs from normal use, but I believe it is in relatively clean condition.
■ Disinfected with 99.5vol ethanol after operation check, and cleaned as much as possible.
You can use it with peace of mind.
■ Environment: Non-smoking, no pets

- Brand: Sennheiser
- Model Name: HD 660S2
- Features: Hi-Res Audio compatible
- Design: Open-back design
- Ear pads: Soft fabric material

Brand: Sennheiser
Color: Black
Ear Placement: Over Ear
Headphone Form Factor: Over Ear
Impedance: 300 Ohms
Noise Control: Sound Isolation
Achieve natural, lifelike, yet high-fidelity sound with enhanced sub-bass: Features an ultra-lightweight aluminum voice coil with an impedance of 300Ω, delivering excellent impulse response and a comfortable, rich sound.
Transducer with improved airflow: The proprietary vented magnet system improves airflow within the transducer, while the internal steel mesh eliminates unwanted distortion.
Reproduces sub-bass, mid-bass, and higher frequencies with high precision and balance by doubling the sound pressure in the lowest range. Percussion and electronic music become more impactful.
The ear pads combine soft padding and velour, fitting snugly to your head with moderate clamping force. The ergonomic open-back design eliminates discomfort, providing lasting comfort even during long listening sessions.
Designed and engineered in Germany, produced in Ireland with high quality. Frequency response is 8Hz - 41,500Hz. Includes a 1.8m cable, ideal for desktop use.