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    Renewed Headsets

    Sennheiser SC 660 Duo USB Wired Headset (Renewed)

    Sennheiser SC 660 Duo USB Wired Headset (Renewed)

    Certified Renewed · 1-Year Warranty

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

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    Shipping & Returns

    For an even easier and more trusted shopping experience, you can checkout on our website with your existing Amazon account.

    • One familiar login to identify and purchase
    • Personal information security
    • Built in fraud and payment protection
    • You're covered with Amazons A-Z guarantee

    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.