HIFIMAN SUSVARA vs Sennheiser HD 660S
Better figure, where one is clearly better
| HIFIMANSUSVARA | SennheiserHD 660S | |
|---|---|---|
| Overview | ||
| Released | 2017 | October 2017 |
| Sound | ||
| Type | Over-ear | Over-ear |
| Noise cancelling | No | No |
| Driver size | – | 38 mm |
| Back | Open | Open |
| Impedance | 60 ohms | 150 ohms |
| Bluetooth codecs | None (wired) | None (wired) |
| Drivers | Planar magnetic with Stealth Magnets; diaphragm less than a micron thick; 6 Hz – 75 kHz; sensitivity 83 dB | Dynamic, open, diffuse-field equalised; 42 mm transducer with 38 mm diaphragm and aluminium voice coil; ventilated drive unit with steel mesh; transducers matched in pairs; 9 – 41,500 Hz (–10 dB); 104 dB SPL at 1 kHz (1 Vrms); THD ≤ 0.04% (1 kHz, 100 dB); max. 500 mW long-term input power |
| Battery | ||
| Listening time (maker's claim) | No battery (wired) | No battery (wired) |
| Design | ||
| Weight | 450 g | 260 g (better) |
| Headphone cable | Yes | Yes |
| Fit and ear tips | Over-ear, open-back; oval cups with patented "Window Shade" grille; metal headband with perforated headstrap (the HE1000 series design, per Headfonics); ergonomic ear pads | Over-ear (circumaural), open-back; contact pressure approx. 6.0 N ± 1.0 N; replaceable ear pads |
| Works with | Detachable crystalline copper, silver-plated cables with balanced XLR and single-ended terminations (Headfonics) | Detachable 3 m OFC cables with gold-plated 6.35 mm unbalanced and 4.4 mm balanced plugs; 6.35 mm to 3.5 mm adapter; optional CH 650 S cable with 4-pin XLR sold separately |
| In the box | – | HD 660S headphones, cable with 6.35 mm plug, cable with 4.4 mm balanced plug, 6.35 mm to 3.5 mm adapter, instruction manual, storage box |
