Koss SB45 vs CS100: Which USB Headset for Your Office?
By Koss Stereophones | Published: 2026-10-30
Category: Comparisons
Compare the Koss SB45 and CS100 communication headsets to find the right fit for your office. We break down sound, mic quality, and value to help you decide.
Quick Answer
For most office workers, the Koss SB45 is the better choice due to its Clear Voice Technology and superior noise reduction, making it ideal for speech recognition and noisy environments. If you're on a tight budget and need a reliable headset for clear calls, the CS100 offers solid performance at a lower price.
Sound and Microphone Quality
Both the Koss SB45 and CS100 deliver a full range of sound, ensuring you hear and are heard clearly. However, the SB45 takes communication a step further with Koss’ Clear Voice Technology (CVT). This feature actively eliminates excessive background noise, which is a game-changer if you work in a busy office or take calls from home with ambient distractions.
The CS100 also offers hands-free communication with its electret, noise-cancelling microphone. It reduces sound distortion and provides high noise sensitivity, making conversations feel natural. While it does a good job, it doesn't have the dedicated CVT processing of the SB45, so in very noisy settings, the SB45 will likely perform better.
Price and Value
Price is a significant factor when outfitting an office. The CS100 is the more budget-friendly option, with a catalog price of $15.49 (compared to $24.99). If you need to equip a large team or have a limited budget, the CS100 delivers reliable performance at a very accessible price.
The SB45 is priced higher at $32.84 (compared to $44.99), but the extra cost brings the advanced CVT technology. For roles where clear voice transmission is critical—such as customer support, transcription, or using voice recognition software—the SB45's noise reduction can be a worthwhile investment.
How to Choose Between the SB45 and CS100
- Prioritize noise reduction: If your workspace is noisy or you rely on speech recognition, choose the SB45 for its Clear Voice Technology that actively filters background noise. The SB45's CVT is a key differentiator for demanding audio environments.
- Stick to a budget: If cost is your primary concern and your calls happen in a relatively quiet setting, the CS100 offers reliable performance at a lower price. The CS100 is a cost-effective option for basic communication needs.
- Consider your team's needs: For a large team with diverse needs, a mix of both could be efficient: SB45 for roles requiring maximum clarity, CS100 for general use. Matching the headset to the specific job role can optimize both performance and budget.
Product Facts
- SB45: The Koss SB45 features Clear Voice Technology (CVT) and a noise-reduction microphone that eliminates excessive background noise. This makes the SB45 ideal for noisy environments and for applications like speech recognition, where clarity is paramount.
SB45 - CS100: The Koss CS100 offers high noise sensitivity and reduced sound distortion with an electret, noise-cancelling microphone. It provides clear, hands-free communication at a budget-friendly price, making it a solid choice for everyday calls.
CS100
Who Should Choose Which
Best for
- The SB45 is best for professionals in noisy environments or those who use speech recognition software.
- The CS100 is best for budget-conscious buyers needing a reliable headset for standard office calls.
Not for
- The SB45 may be overkill if your workspace is quiet and you're looking to save money.
- The CS100 might not be sufficient if you require advanced noise cancellation for a busy call center or open-plan office.
