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  • Koss Communications USB Headset with Microphone (CS100-USB)

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    From $22.18 (New)
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Buy from Amazon $33.56$3.96 $37.50 $25.00 $12.50 $0.00 Aug Nov Feb May Aug Nov Feb May Aug Nov Feb May 2013 2014 2015 2016 $29.99, May 19 - Jun 5$24.05, May 30 - Jun 12$25.20, Jun 1 - Jun 13$28.21, Jun 10 - Jun 14$28.09, Jun 13 - Jun 20$27.18, Jun 14 - Jun 24$26.73, Jun 19 - Jun 25$26.72, Jun 25 - Jul 2$26.73, Jun 29 - Jul 3$25.40, Jul 3 - Aug 9$25.39, Jul 5 - Aug 17$23.88, Aug 25 - Oct 29$25.07, Nov 22 - Nov 26$25.08, Nov 28 - Nov 30$24.00, Dec 4 12:53 am$23.88, Dec 2 - Dec 11$23.88, Dec 2 - Dec 11$19.99, Dec 6 3:33 pm$28.71, Dec 13 - Dec 17$19.99, Dec 6 3:33 pm$28.71, Dec 13 - Dec 17$22.14, Jan 11 6:50 pm$27.33, Jan 13 - Jan 14$22.14, Jan 11 6:50 pm$23.88, Jan 15 - Jan 26$22.14, Jan 11 6:50 pm$25.52, Jan 19 12:48 pm$23.88, Jan 15 - Jan 26$23.88, Jan 15 - Jan 26$22.07, Jan 22 10:26 pm$25.70, Jan 25 3:54 pm$23.88, Jan 15 - Jan 26$25.54, Jan 28 2:33 am$23.88, Jan 15 - Jan 26$26.81, Jan 30 - Jan 31$25.06, Jan 28 - Jan 29$26.00, Feb 2 1:56 pm$25.06, Jan 28 - Jan 29$27.26, Feb 3 - Feb 7$25.06, Jan 28 - Jan 29$25.06, Jan 28 - Jan 29$23.88, Feb 7 - Mar 12$25.06, Jan 28 - Jan 29$24.98, Mar 13 - Mar 16$26.68, Mar 18 - Mar 19$25.06, Jan 28 - Jan 29$25.53, Mar 19 - Mar 23$25.06, Jan 28 - Jan 29$26.68, Mar 24 - Mar 27$25.06, Jan 28 - Jan 29$25.06, Jan 28 - Jan 29$23.83, Mar 30 - Apr 1$25.06, Jan 28 - Jan 29$23.86, Apr 2 3:05 am$25.41, Apr 5 - Apr 20$25.00, Apr 2 8:08 pm$25.00, Apr 2 8:08 pm$24.99, Apr 20 - May 10$24.99, Apr 20 - May 10$20.03, May 3 - Jun 23$24.79, May 11 - May 15$20.03, May 3 - Jun 23$24.49, May 17 - May 31$20.03, May 3 - Jun 23$22.41, Jun 1 - Jun 3$20.03, May 3 - Jun 23$24.49, Jun 4 8:01 am$20.03, May 3 - Jun 23$22.81, Jun 6 - Jun 7$20.03, May 3 - Jun 23$22.89, Jun 10 - Jun 14$20.03, May 3 - Jun 23$24.99, Jun 15 2:27 am$20.03, May 3 - Jun 23$24.69, Jun 16 - Jun 21$20.03, May 3 - Jun 23$24.99, Jun 22 - Jun 30$20.03, May 3 - Jun 23$24.99, Jun 22 - Jun 30$20.45, Jun 24 7:29 am$24.99, Jun 22 - Jun 30$20.03, Jun 25 - Jul 20$23.92, Jul 1 - Jul 5$20.03, Jun 25 - Jul 20$24.99, Jul 6 - Aug 6$20.03, Jun 25 - Jul 20$24.99, Jul 6 - Aug 6$20.65, Jul 21 - Jul 31$24.99, Jul 6 - Aug 6$20.45, Aug 1 - Aug 8$24.49, Aug 7 - Aug 8$20.45, Aug 1 - Aug 8$22.12, Aug 9 - Aug 12$20.65, Aug 9 - Sep 8$23.92, Aug 13 - Sep 9$20.65, Aug 9 - Sep 8$26.98, Sep 10 - Sep 15$20.99, Sep 9 - Sep 15$27.25, Sep 16 3:32 am$22.24, Sep 16 3:32 am$26.12, Sep 18 - Sep 19$20.65, Sep 18 6:51 am$27.73, Sep 20 10:04 am$20.65, Sep 20 - Sep 26$23.92, Oct 16 - Nov 10$20.65, Oct 10 - Nov 10$23.68, Nov 13 - Feb 6$18.58, Nov 13 9:40 am$23.68, Nov 13 - Feb 6$20.65, Nov 16 1:02 am$23.68, Nov 13 - Feb 6$16.57, Nov 17 10:03 pm$23.68, Nov 13 - Feb 6$20.65, Nov 28 - Dec 1$23.68, Nov 13 - Feb 6$21.00, Dec 2 - Feb 7$26.93, Feb 7 - Feb 12$21.00, Dec 2 - Feb 7$26.93, Feb 7 - Feb 12$19.95, Feb 8 - Feb 16$21.29, Feb 13 - Mar 9$19.95, Feb 8 - Feb 16$21.29, Feb 13 - Mar 9$21.00, Feb 17 - Feb 18$21.29, Feb 13 - Mar 9$20.65, Feb 19 - Feb 24$21.29, Feb 13 - Mar 9$20.45, Feb 25 - Mar 25$26.93, Mar 10 - Mar 20$20.45, Feb 25 - Mar 25$26.92, Mar 21 - Mar 25$20.45, Feb 25 - Mar 25$25.66, Mar 26 1:36 pm$18.22, Mar 26 1:36 pm$26.92, Mar 27 - Mar 31$19.99, Mar 27 - Mar 30$26.92, Mar 27 - Mar 31$20.45, Mar 31 - Apr 1$26.92, Apr 2 - Apr 6$3.96, Apr 2 10:45 pm$26.92, Apr 2 - Apr 6$20.65, Apr 4 - Apr 11$26.74, Apr 8 - Apr 11$20.65, Apr 4 - Apr 11$26.92, Apr 15 4:43 am$20.45, Apr 12 - Apr 15$26.74, Apr 29 - May 6$20.45, Apr 27 - Apr 30$26.74, Apr 29 - May 6$19.00, May 2 - May 6$26.82, May 10 - May 13$20.45, May 7 - Jul 17$20.99, May 15 - May 19$20.45, May 7 - Jul 17$27.13, May 21 - May 27$20.45, May 7 - Jul 17$27.13, May 21 - May 27$20.45, May 7 - Jul 17$20.39, May 23 - May 27$27.13, Jun 1 - Jun 18$20.45, May 7 - Jul 17$19.99, May 29 - Jun 5$27.13, Jun 1 - Jun 18$20.45, May 7 - Jul 17$18.99, Jun 8 - Jun 14$27.13, Jun 1 - Jun 18$20.45, May 7 - Jul 17$18.90, Jun 16 - Jun 27$27.17, Jun 20 - Jun 23$20.45, May 7 - Jul 17$18.90, Jun 16 - Jun 27$22.24, Jun 25 7:21 pm$20.45, May 7 - Jul 17$18.90, Jun 16 - Jun 27$20.99, Jun 27 - Aug 12$20.45, Jul 21 - Sep 10$18.90, Jun 16 - Jun 27OOS $20.99, Aug 14 4:32 pm$20.45, Jul 21 - Sep 10$18.90, Jun 16 - Jun 27$20.99, Aug 16 - Sep 4$20.45, Jul 21 - Sep 10$18.90, Jun 16 - Jun 27$28.43, Sep 6 6:47 pm$20.45, Jul 21 - Sep 10$18.90, Jun 16 - Jun 27$25.43, Sep 8 6:51 pm$20.45, Jul 21 - Sep 10$18.90, Jun 16 - Jun 27$25.42, Sep 10 6:32 pm$20.45, Jul 21 - Sep 10$18.90, Jun 16 - Jun 27$25.24, Sep 14 5:00 pm$19.78, Sep 12 - Sep 16$18.90, Jun 16 - Jun 27$25.43, Sep 16 - Sep 24$19.78, Sep 12 - Sep 16$18.90, Jun 16 - Jun 27$25.43, Sep 16 - Sep 24$18.90, Jun 16 - Jun 27$15.99, Sep 18 - Sep 20$25.43, Sep 16 - Sep 24$18.90, Jun 16 - Jun 27$12.99, Sep 22 2:43 pm$25.43, Sep 16 - Sep 24$20.45, Sep 24 2:39 pm$18.90, Jun 16 - Jun 27$21.26, Sep 28 - Oct 19$20.65, Sep 26 - Sep 30$18.90, Jun 16 - Jun 27$21.26, Sep 28 - Oct 19$19.13, Oct 2 3:55 pm$18.90, Jun 16 - Jun 27$21.26, Sep 28 - Oct 19$20.65, Oct 4 - Oct 6$18.90, Jun 16 - Jun 27$21.26, Sep 28 - Oct 19$20.45, Oct 8 - Nov 24$18.90, Jun 16 - Jun 27OOS $21.26, Oct 21 12:47 am$20.45, Oct 8 - Nov 24$18.90, Jun 16 - Jun 27$21.26, Oct 23 12:32 am$20.45, Oct 8 - Nov 24$18.90, Jun 16 - Jun 27$28.43, Nov 1 - Nov 16$20.45, Oct 8 - Nov 24$18.90, Jun 16 - Jun 27$21.26, Nov 18 - Dec 24$20.45, Oct 8 - Nov 24$18.90, Jun 16 - Jun 27$21.26, Nov 18 - Dec 24$20.09, Nov 27 - Nov 29$18.90, Jun 16 - Jun 27$21.26, Nov 18 - Dec 24$20.45, Dec 2 - Feb 7$18.90, Jun 16 - Jun 27$21.26, Nov 18 - Dec 24$20.45, Dec 2 - Feb 7$19.13, Dec 7 - Dec 9$21.26, Nov 18 - Dec 24$20.45, Dec 2 - Feb 7$18.07, Dec 12 - Dec 14$21.26, Nov 18 - Dec 24$20.45, Dec 2 - Feb 7$17.01, Dec 17 - Dec 22$21.26, Nov 18 - Dec 24$20.45, Dec 2 - Feb 7$16.03, Dec 24 7:19 pm$21.91, Dec 27 - Jan 20$20.45, Dec 2 - Feb 7$16.44, Dec 27 2:19 pm$21.91, Dec 27 - Jan 20$20.45, Dec 2 - Feb 7$16.86, Dec 30 4:01 am$21.91, Dec 27 - Jan 20$20.45, Dec 2 - Feb 7$16.68, Jan 3 11:05 pm$21.91, Dec 27 - Jan 20$20.45, Dec 2 - Feb 7$16.52, Jan 6 9:41 am$21.91, Dec 27 - Jan 20$20.45, Dec 2 - Feb 7$16.56, Jan 8 9:37 pm$21.91, Dec 27 - Jan 20$20.45, Dec 2 - Feb 7$17.41, Jan 10 5:12 am$21.91, Dec 27 - Jan 20$20.45, Dec 2 - Feb 7$17.53, Jan 12 - Jan 20$22.20, Jan 22 - Mar 10$20.45, Dec 2 - Feb 7$17.76, Jan 22 - Jan 28$22.20, Jan 22 - Mar 10$20.45, Dec 2 - Feb 7$16.87, Jan 30 1:15 pm$22.20, Jan 22 - Mar 10$20.45, Dec 2 - Feb 7$14.49, Feb 2 1:47 am$22.20, Jan 22 - Mar 10$20.45, Dec 2 - Feb 7$13.13, Feb 4 3:55 pm$22.20, Jan 22 - Mar 10$20.45, Dec 2 - Feb 7$12.49, Feb 7 6:08 am$22.20, Jan 22 - Mar 10$12.47, Feb 9 8:10 pm$11.35, Feb 9 8:10 pm$22.20, Jan 22 - Mar 10$20.45, Feb 12 - Mar 16$13.08, Feb 12 11:02 am$22.20, Jan 22 - Mar 10$20.45, Feb 12 - Mar 16$13.05, Feb 15 3:52 am$22.20, Jan 22 - Mar 10$20.45, Feb 12 - Mar 16$7.35, Feb 17 - Feb 28$22.20, Jan 22 - Mar 10$20.45, Feb 12 - Mar 16$10.87, Mar 4 1:40 pm$22.20, Jan 22 - Mar 10$20.45, Feb 12 - Mar 16$11.51, Mar 10 4:51 pm$22.18, Mar 16 - Apr 9$20.45, Feb 12 - Mar 16$12.19, Mar 16 2:09 pm$22.18, Mar 16 - Apr 9$17.19, Mar 22 - Apr 9$12.86, Mar 22 3:53 pm$22.18, Mar 16 - Apr 9$17.19, Mar 22 - Apr 9$14.53, Mar 28 12:34 pm$22.18, Mar 16 - Apr 9$17.19, Mar 22 - Apr 9$7.41, Apr 3 - Apr 9

Price Details

New

Latest $22.18 6 hrs ago
Highest $29.99 May 19, '13
Lowest $20.99 Aug 16, '15
Average $22.18 (30d avg)
$22.15 (90d avg)
$22.40 (180d avg)
$23.17 (365d avg)
$24.23 (Lifetime average)
Added May 19, 2013

3rd Party New

Latest $17.19 6 hrs ago
Highest $33.56 Jan 9, '14
Lowest $3.96 Apr 2, '15
Average $18.55 (30d avg)
$19.55 (90d avg)
$19.99 (180d avg)
$20.10 (365d avg)
$20.88 (Lifetime average)
Added May 19, 2013

3rd Party Used

Latest $7.41 6 hrs ago
Highest $20.39 May 23, '15
Lowest $7.35 Feb 17, '16
Average $11.71 (30d avg)
$12.62 (90d avg)
$13.90 (180d avg)
$17.04 (Lifetime average)
Added May 19, 2013

Product Description

The Koss CS100 USB communication headset boasts a full range of sound that brings every conversation to life. Hands-free communication via an electret, noise cancelling microphone, is combined with high noise sensitivity and reduced sound distortion for clear conversations. The USB plug provides quick and easy connection to you PC. Whether your primary use is for telecommunications, voice-activated software programs or indulging in multi-player video games, the CS100 USB headset offers long-lasting comfort and crystal clear communication. Communication made easy, with the Koss CS100 USB.

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