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    Renewed Headsets

    Sennheiser SC 660 Duo USB Headset with Inline Control (Renewed)

    Sennheiser SC 660 Duo USB Headset with Inline Control (Renewed)

    Certified Renewed · 1-Year Warranty

    $116.99 USD
    $167.40 USD $116.99 USD
    Sale Sold out
    • 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 dual-ear USB headset with an in-line control unit, built for professionals who spend long stretches on calls and want easy access to volume and mute. It connects to a PC or softphone over USB-A and pairs that with an ultra noise-cancelling boom microphone, making it well suited to busy offices and contact centres where clear speech matters.

    Key features

    • Duo (dual-ear) design for focus and consistent stereo audio
    • USB-A wired connection for plug-and-play calling
    • In-line control unit for quick volume and call handling
    • Ultra noise-cancelling boom microphone for clearer speech
    • Connects to PC and softphone applications

    Every unit is Certified Renewed: professionally inspected and tested, cleaned and sanitised, and graded to a Grade A cosmetic standard. Each headset is backed by our 1-year warranty, so you get premium Sennheiser audio at a smarter 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 CTRL-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 $116.99$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 over USB-A to a PC or softphone.
    Is it wired or wireless?
    It is a wired headset with a USB-A connector and an in-line control unit.
    What does the in-line control do?
    The in-line control unit gives you quick access to call handling such as volume and mute without reaching for your computer.
    Is this a single-ear or dual-ear headset?
    It is a Duo (dual-ear) headset, which covers both ears to help you focus and block more background noise.
    What does "Certified Renewed" mean and is there a warranty?
    Certified Renewed means the headset has been professionally inspected, tested and cleaned, graded to Grade A cosmetic condition, and covered by a 1-year warranty.
    What's in the box?
    The headset ships with its USB-A connection and in-line control unit. As a renewed product, packaging is practical rather than original retail.