Renewed Headsets

Sennheiser SC 660 Duo USB Wired Headset (Renewed)

Sennheiser SC 660 Duo USB Wired Headset (Renewed)

Certified Renewed · 1-Year Warranty

Regular price $121.99 USD
Regular price $174.99 USD Sale price $121.99 USD
Sale Sold out
Quantity
  • Free shipping
  • 30-day returns
  • 1-year warranty
Works withPC / softphoneUSB-A

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Shipping & Returns

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Shipping is always FREE

Orders placed before 3pm PST will ship that same day from California and will arrive within 2-5 business days. If you need faster shipping, at checkout there's expedited shipping options available. 

Returns are easy and free!

You have 30 days from the date of purchase to return your order for a full refund. Please follow the quick steps below to submit a return.

  1. Email your order number to info@renewedheadsets.com and please provide reason for return.
  2. Once return is approved, you'll receive an email with a pre-paid shipping label to return your order for a full refund
  3. Refunds take 2-5 business days to be issued from the day the return is received in our warehouse

*ALL RETURNS must have an RMA number on the box or the package will be refused and the return process will be delayed.

 

Warranty

Warranty replacements are fast and free, the way it should be!

Renewed Headsets covers you with a 1 year advanced replacement warranty for peace of mind. To get a warranty replacement, please follow the quick steps below.

  1. Email info@renewedheadsets.com with your order number and description of the issue.
  2. A replacement will ship that same day and you'll be emailed a pre-paid shipping label to send the defective headset back

*Please use the shipping label provided by Renewed Headsets or the package could get lost.

 *Warranty, service and support is covered from Renewed Headsets, NOT manufacturer.

View full details
Certified Renewed Grade A Cosmetics 1-Year Warranty Professionally Restored
How we refurbish

About this headset

The Sennheiser SC 660 Duo is a wired USB headset built for professionals who demand premium sound and clear speech. It connects over USB-A for straightforward plug-and-play use with your PC and softphone applications. The dual-ear design and Sennheiser's renowned audio quality make it well suited to long days of focused calls and conferencing.

Key features

  • USB-A wired connection for plug-and-play PC and softphone use
  • Ultra noise-cancelling boom microphone for exceptionally clear speech
  • Dual-ear (Duo) wearing style for deeper focus
  • Sennheiser sound quality for natural-sounding calls and audio
  • No batteries or pairing — ready as soon as it's plugged in

This SC 660 is Certified Renewed: thoroughly tested, professionally cleaned, and restored to Grade A cosmetic condition. Backed by our 1-year warranty, it brings premium Sennheiser call quality to your desk at a refurbished price.

Certified Renewed · Inspection report

Every headset earns the seal

Every headset runs the same five checks before it earns the seal — the same language on the box, here, and across the site.

Report ID SC660-R · Passed

Electronically TestedAudio · mic · range · battery
Professionally Cleaned & SanitizedFresh ear cushions fitted
Parts & BatteryNew battery & parts where needed
Grade A CosmeticsPresentation-ready condition
1-Year Warranty + Lifetime SupportAdvanced replacement included

How it compares

Sennheiser SC 660 Duo U...EPOS Sennheiser Consume...Sennheiser SC 260 USB M...EPOS Sennheiser D 10 US...
Connection USB-A wiredWired USB-AWired USB-ADECT wireless (USB to PC / softphone)
Wearing style DuoDuo / StereoDuo / StereoConvertible
Microphone Ultra noise-cancelling boomNoise-cancelling boomNoise-cancelling boomNoise-cancelling boom
Price $121.99$29.00$63.51$94.99
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Specifications

Model504555
ConnectionUSB-A wired
Wearing styleDuo
MicrophoneUltra noise-cancelling boom
ConditionCertified Renewed — Grade A
Works with
PC / softphoneUSB-A

Questions

Frequently asked

What does this headset connect to?
It connects via USB-A to a PC or laptop and works with softphone applications such as Teams, Zoom, and other calling platforms.
Is it wired or wireless?
It is a wired USB-A headset — no Bluetooth, batteries, or pairing. Plug it in and it's ready.
How good is the microphone?
It features an ultra noise-cancelling boom microphone designed to deliver especially clear speech by suppressing surrounding noise.
Is it single or dual-ear?
This is the Duo (dual-ear) version, which covers both ears for stronger focus during calls.
Do I need to charge it?
No. As a USB-wired headset, it draws power from your computer and never needs charging.
What does 'Certified Renewed' mean?
Every unit is fully tested, cleaned, and restored to Grade A condition, and is backed by our 1-year warranty. The headset with its USB-A connection is included in the box.