| Identification |
| Brand |
EPOS |
| Series |
IMPACT 600 — SC 660 |
| Article Number |
1000555 |
| EAN / GTIN |
5714708003564 |
| Legacy article number |
504557, from the Sennheiser Communications era |
| Product type |
Wired binaural headset, Easy Disconnect |
| Colour |
Black with silver |
| Audio |
| Transducer |
Neodymium magnet speakers |
| Frequency response — speaker |
50 Hz – 18,000 Hz |
| Ear coupling |
On-ear, both ears covered |
| Active noise cancellation |
None — passive isolation, the noise cancelling is in the microphone |
| Speaker type |
Dynamic neodymium, one per ear |
| Media use |
Wide response makes it usable for training material and recordings |
| Sound pressure limiting |
Applied by ActiveGard on the line |
| Microphone |
| Type |
Ultra noise-cancelling boom microphone |
| Frequency response |
150 Hz – 6,800 Hz, wideband |
| Boom arm |
Positionable, worn on either side |
| Noise handling |
Microphone side, protects the caller from your office |
| Mute |
Provided by the bottom cable you choose, not by the headset |
| Windscreen |
Fitted as standard on the boom |
| Hearing protection |
| ActiveGard |
EPOS ActiveGard, protects against acoustic injury from sudden bursts on the line |
| Maximum SPL |
103 dB through the Easy Disconnect connection |
| Connectivity |
| Connector |
Easy Disconnect (ED) |
| Bottom cable in the box |
None — ordered separately |
| PC cable with call control |
USB-ED CC 01, article 1000824, 140 + 21 cm coiled |
| PC cable without call control |
USB-ED 01, article 1000822 |
| Desk phone cable, coiled |
CSTD 01, article 1000836 |
| Desk phone cable, straight |
CSTD 01-1, article 1000835 |
| Cable length of the headset lead |
Not published |
| Quick release |
Unplug at the coupler and walk away without disturbing the desk |
| Cable replacement |
A damaged bottom cable is replaced on its own, not the headset |
| Phone-specific cables |
Some desk phones need a model-specific cable — ask us to check yours |
| In the box |
| Headset |
EPOS IMPACT SC 660, binaural |
| Ear pads |
Leatherette ear pads fitted |
| Magnetic holder |
Included, for parking the headset at the desk |
| Clothing clip |
Cable and clothing clip mounted |
| Carry pouch |
Included |
| Documents |
Quick guide and safety guide |
| Not included — bottom cable |
No USB, RJ9 or 3.5 mm cable of any kind |
| Not included — USB adapter |
Chosen with the bottom cable |
| Not included — desk phone amplifier |
Not required with a standard CSTD cable |
| Physical |
| Wearing style |
Binaural headband |
| Weight |
95 g |
| Ear pads |
Leatherette, replaceable |
| Headband |
Adjustable, single-sided variants exist in the same series |
| Colour |
Black with silver |
| Single-sided sibling |
SC 662 in the same series |
| High-impedance siblings |
SC 668 and SC 638, with a 110 dB ActiveGard limit |
| Magnetic holder |
Parks the headset on the desk between calls |
| Warranty |
| Warranty |
1-Year Warranty (Singular) |
| Manufacturer Term |
EPOS does not publish a warranty term for this article on an accessible official page, so we do not state one. Singular’s direct warranty is 1 year; beyond that we assist you with the manufacturer’s warranty process for its full duration. |
| Service and support |
| Local support |
Supplied and supported by Singular Computer Systems in Limassol |
| Warranty handling |
Returns and claims handled by us, with the manufacturer process after the first year |
| Fleet orders |
We confirm order codes and quantities with you before a rollout |
| Before you buy |
Tell us the softphone platform, the desk phone model and the ports on the machine and we will check the fit |
| Accessories |
Ask us for the matching spare cushions, cables or adapters for this model |