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  • Sennheiser MM 450-X Wireless Bluetooth Headphones - Black

  • Amazon

    From $204.99 (New)

  • Best Buy

    From $349.99 (New)

  • Newegg

    From $349.00 (New)
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Buy from Amazon $359.99$129.90 $325.00 $275.00 $225.00 $175.00 Jan Apr Jul Oct Jan Apr Jul Oct Jan Apr Jul 2014 2015 2016 $359.99, Oct 7 5:35 am$261.75, Nov 22 1:13 am$313.03, Nov 24 1:48 pm$261.75, Nov 26 - Dec 4$256.52, Dec 6 5:50 pm$261.75, Dec 9 2:48 am$265.74, Dec 11 7:28 am$261.75, Dec 9 2:48 am$267.85, Dec 13 - Dec 17$265.74, Dec 11 7:28 am$265.74, Dec 11 7:28 am$261.75, Dec 20 - Jan 10$265.74, Dec 11 7:28 am$264.30, Jan 11 - Jan 13$270.56, Jan 13 - Jan 27$265.74, Dec 11 7:28 am$270.56, Jan 13 - Jan 27$267.95, Jan 21 3:12 am$267.95, Jan 21 3:12 am$267.95, Jan 27 - Feb 22$267.95, Jan 21 3:12 am$266.96, Feb 23 - Feb 28$267.95, Jan 21 3:12 am$267.95, Mar 1 - Mar 24$299.95, Mar 26 - Mar 30$267.95, Mar 1 - Mar 24$329.95, Mar 31 - Apr 3$267.95, Mar 1 - Mar 24$349.95, Apr 6 3:47 am$267.95, Mar 1 - Mar 24$349.95, Apr 6 3:47 am$329.95, Apr 6 - Apr 25$349.00, Apr 25 - May 9$329.95, Apr 6 - Apr 25$349.00, Apr 25 - May 9$349.00, May 3 - May 9$252.19, May 4 5:45 am$349.00, Apr 25 - May 9$349.00, May 3 - May 9$213.14, May 6 8:48 am$349.00, Apr 25 - May 9$349.00, May 3 - May 9$213.23, May 9 7:52 am$349.95, May 9 - May 31$319.00, May 11 - May 21$213.49, May 11 4:48 pm$349.95, May 9 - May 31$319.00, May 11 - May 21$213.26, May 12 - May 13$349.95, May 9 - May 31$319.00, May 11 - May 21$213.14, May 16 2:22 am$349.95, May 9 - May 31$319.00, May 11 - May 21$213.17, May 17 - May 18$349.95, May 9 - May 31$319.00, May 11 - May 21$213.22, May 21 11:23 am$349.95, May 9 - May 31$319.00, May 22 - Jun 8$212.94, May 23 9:17 am$349.95, May 9 - May 31$319.00, May 22 - Jun 8$212.52, May 25 - May 26$349.95, May 9 - May 31$319.00, May 22 - Jun 8$211.88, May 28 12:35 pm$349.95, May 9 - May 31$319.00, May 22 - Jun 8$190.47, May 31 8:42 am$349.95, Jun 2 - Jun 4$319.00, May 22 - Jun 8$193.22, Jun 2 7:01 am$349.00, Jun 4 - Jun 5$319.00, May 22 - Jun 8$194.18, Jun 4 3:37 am$319.00, May 22 - Jun 8$319.00, Jun 7 - Jun 21$188.72, Jun 7 9:51 am$319.00, Jun 7 - Jun 21$289.00, Jun 8 - Jun 10$205.99, Jun 9 - Jun 10$319.00, Jun 12 - Jun 13$319.00, Jun 7 - Jun 21$239.38, Jun 12 - Jun 13$319.00, Jun 14 - Jun 20$319.00, Jun 7 - Jun 21$239.36, Jun 14 3:52 pm$319.00, Jun 14 - Jun 20$319.00, Jun 7 - Jun 21$239.72, Jun 16 3:36 am$319.00, Jun 14 - Jun 20$319.00, Jun 7 - Jun 21$239.52, Jun 18 - Jun 19$319.00, Jun 7 - Jun 21$299.00, Jun 21 - Jun 22$239.84, Jun 21 11:09 am$319.00, Jun 22 - Jun 24$319.00, Jun 22 - Jul 24$280.03, Jun 23 9:04 pm$319.00, Jun 22 - Jul 24$313.51, Jun 25 - Jul 13$281.20, Jun 25 - Jun 26$319.00, Jun 22 - Jul 24$313.51, Jun 25 - Jul 13$281.22, Jun 28 12:50 pm$319.00, Jun 22 - Jul 24$313.51, Jun 25 - Jul 13$275.00, Jun 30 - Jul 5$319.00, Jun 22 - Jul 24$313.51, Jun 25 - Jul 13$267.99, Jul 8 2:29 am$319.00, Jun 22 - Jul 24$313.51, Jun 25 - Jul 13$268.18, Jul 10 1:50 pm$319.00, Jun 22 - Jul 24$313.51, Jun 25 - Jul 13$268.38, Jul 12 12:02 pm$319.00, Jul 14 - Jul 24$319.00, Jun 22 - Jul 24$292.34, Jul 14 11:42 pm$319.00, Jul 14 - Jul 24$319.00, Jun 22 - Jul 24$296.67, Jul 17 - Jul 20$319.00, Jul 14 - Jul 24$319.00, Jun 22 - Jul 24$272.54, Jul 22 9:05 am$305.88, Jul 25 2:01 am$302.92, Jul 25 2:01 am$250.99, Jul 25 - Jul 26$310.42, Jul 26 - Aug 13$310.42, Jul 26 - Aug 13$233.99, Jul 26 - Jul 28$310.42, Jul 26 - Aug 13$310.42, Jul 26 - Aug 13$229.99, Jul 28 - Jul 31$310.42, Jul 26 - Aug 13$310.42, Jul 26 - Aug 13$273.23, Aug 1 12:21 pm$310.42, Jul 26 - Aug 13$310.42, Jul 26 - Aug 13$271.42, Aug 3 7:44 am$310.42, Jul 26 - Aug 13$310.42, Jul 26 - Aug 13$285.80, Aug 4 - Aug 13$299.00, Aug 14 - Aug 18$299.00, Aug 14 - Aug 21$275.29, Aug 14 - Aug 24$299.00, Aug 14 - Aug 21$289.49, Aug 19 - Aug 21$275.29, Aug 14 - Aug 24$276.88, Aug 22 - Aug 24$275.29, Aug 14 - Aug 24$259.00, Aug 22 - Aug 24$299.00, Aug 25 - Oct 7$289.49, Aug 25 - Sep 4$275.29, Aug 26 - Aug 28$299.00, Aug 25 - Oct 7$289.49, Aug 25 - Sep 4$267.95, Aug 29 - Sep 4$299.00, Aug 25 - Oct 7$278.00, Sep 5 - Sep 7$236.96, Sep 6 4:34 pm$299.00, Aug 25 - Oct 7$298.99, Sep 9 - Nov 13$210.00, Sep 9 - Sep 11$299.00, Aug 25 - Oct 7$298.99, Sep 9 - Nov 13$199.95, Sep 12 - Sep 15$299.00, Aug 25 - Oct 7$298.99, Sep 9 - Nov 13$194.95, Sep 18 - Sep 29$299.00, Aug 25 - Oct 7$298.99, Sep 9 - Nov 13$189.95, Sep 30 - Oct 7$349.00, Oct 8 - Oct 14$298.99, Sep 9 - Nov 13$210.00, Oct 8 - Oct 21$313.41, Oct 15 - Oct 21$298.99, Sep 9 - Nov 13$210.00, Oct 8 - Oct 21$299.00, Oct 22 - Dec 21$298.99, Sep 9 - Nov 13$209.99, Oct 24 - Nov 7$299.00, Oct 22 - Dec 21$298.99, Sep 9 - Nov 13$180.00, Nov 10 - Jan 7$299.00, Oct 22 - Dec 21$289.00, Nov 16 6:14 am$180.00, Nov 10 - Jan 7$299.00, Oct 22 - Dec 21$269.00, Nov 18 - Nov 20$180.00, Nov 10 - Jan 7$299.00, Oct 22 - Dec 21$249.00, Nov 21 - Dec 14$180.00, Nov 10 - Jan 7$299.00, Oct 22 - Dec 21$298.99, Dec 15 - Jan 21$180.00, Nov 10 - Jan 7$313.41, Dec 22 - Jan 24$298.99, Dec 15 - Jan 21$180.00, Nov 10 - Jan 7$313.41, Dec 22 - Jan 24$298.99, Dec 15 - Jan 21$161.00, Jan 8 - Jan 26$313.41, Dec 22 - Jan 24$284.99, Jan 21 - Jan 30$161.00, Jan 8 - Jan 26$301.40, Jan 25 - Jan 28$284.99, Jan 21 - Jan 30$161.00, Jan 8 - Jan 26$301.40, Jan 25 - Jan 28$284.99, Jan 21 - Jan 30$180.00, Jan 27 - Jan 30$298.49, Jan 29 - Apr 25$284.99, Jan 21 - Jan 30$180.00, Jan 27 - Jan 30$298.49, Jan 29 - Apr 25$259.99, Jan 31 - Feb 14$176.00, Jan 31 - Feb 6$298.49, Jan 29 - Apr 25$259.99, Jan 31 - Feb 14$163.00, Feb 7 - Feb 18$298.49, Jan 29 - Apr 25$297.49, Feb 15 - Apr 2$163.00, Feb 7 - Feb 18$298.49, Jan 29 - Apr 25$297.49, Feb 15 - Apr 2$162.00, Feb 23 - Feb 24$298.49, Jan 29 - Apr 25$297.49, Feb 15 - Apr 2$163.00, Feb 25 - Mar 12$298.49, Jan 29 - Apr 25$297.49, Feb 15 - Apr 2$180.00, Mar 13 - Mar 22$298.49, Jan 29 - Apr 25$297.49, Feb 15 - Apr 2$207.50, Mar 24 4:43 pm$298.49, Jan 29 - Apr 25$297.49, Feb 15 - Apr 2$209.99, Mar 29 9:47 am$298.49, Jan 29 - Apr 25$297.49, Feb 15 - Apr 2$202.83, Mar 31 5:52 pm$298.49, Jan 29 - Apr 25$297.49, Feb 15 - Apr 2$202.19, Apr 2 1:09 am$298.49, Jan 29 - Apr 25$288.17, Apr 3 - Apr 8$199.56, Apr 4 5:36 pm$298.49, Jan 29 - Apr 25$288.17, Apr 3 - Apr 8$196.13, Apr 7 10:58 am$298.49, Jan 29 - Apr 25$294.49, Apr 10 - Apr 14$182.25, Apr 8 - Apr 25$298.49, Apr 27 - May 2$297.49, Apr 27 - May 2$182.25, Apr 27 - May 19$297.49, Apr 27 - May 2$297.49, May 4 - Jun 20$182.25, Apr 27 - May 19$297.49, May 4 - Jun 20$265.00, May 30 - Jun 28$176.52, May 30 - Aug 7$296.71, Jun 22 - Jun 28$265.00, May 30 - Jun 28$176.52, May 30 - Aug 7$267.47, Jun 30 - Aug 17$249.99, Jun 30 - Jul 2$176.52, May 30 - Aug 7$267.47, Jun 30 - Aug 17$240.00, Jul 4 - Aug 5$176.52, May 30 - Aug 7$267.47, Jun 30 - Aug 17$265.00, Aug 7 - Aug 9$176.52, May 30 - Aug 7$267.47, Jun 30 - Aug 17$265.00, Aug 7 - Aug 9$173.57, Aug 9 2:13 pm$267.47, Jun 30 - Aug 17$254.98, Aug 11 - Aug 21$176.52, Aug 11 - Aug 30$261.36, Aug 19 - Aug 21$254.98, Aug 11 - Aug 21$176.52, Aug 11 - Aug 30$238.95, Aug 24 - Sep 3$229.01, Aug 23 - Sep 3$176.52, Aug 11 - Aug 30$229.01, Sep 5 5:29 pm$214.99, Sep 5 5:29 pm$176.52, Aug 11 - Aug 30$229.01, Sep 5 5:29 pmOOS $191.00, Sep 7 - Sep 9$176.52, Aug 11 - Aug 30$196.99, Sep 11 4:43 pm$191.00, Sep 11 - Sep 13$176.52, Aug 11 - Aug 30$214.99, Sep 15 - Sep 25$196.99, Sep 11 4:43 pm$176.52, Aug 11 - Aug 30$254.98, Sep 23 - Sep 29$214.99, Sep 15 - Sep 25$176.52, Aug 11 - Aug 30$254.98, Sep 23 - Sep 29$189.99, Sep 27 - Sep 29$176.52, Aug 11 - Aug 30$254.98, Oct 1 2:21 pm$254.98, Sep 23 - Sep 29$176.52, Aug 11 - Aug 30$254.99, Oct 3 4:11 pm$234.99, Oct 3 - Oct 5$176.52, Aug 11 - Aug 30$254.98, Oct 5 - Oct 9$234.99, Oct 3 - Oct 5$176.52, Aug 11 - Aug 30$254.98, Oct 5 - Oct 9$229.99, Oct 7 8:23 pm$176.52, Aug 11 - Aug 30$254.97, Oct 12 1:10 am$219.99, Oct 9 - Oct 16$176.52, Aug 11 - Aug 30$234.98, Oct 14 2:04 am$219.99, Oct 9 - Oct 16$176.52, Aug 11 - Aug 30$234.97, Oct 16 - Oct 18$219.99, Oct 9 - Oct 16$176.52, Aug 11 - Aug 30$234.97, Oct 16 - Oct 18$219.98, Oct 18 - Oct 20$176.52, Aug 11 - Aug 30$225.97, Oct 20 12:38 am$219.98, Oct 18 - Oct 20$176.52, Aug 11 - Aug 30$219.95, Oct 22 12:13 am$209.99, Oct 23 - Oct 25$176.52, Aug 11 - Aug 30$209.99, Oct 23 - Oct 25$179.99, Oct 25 - Nov 11$176.52, Aug 11 - Aug 30$200.99, Nov 1 12:04 am$179.99, Oct 25 - Nov 11$176.52, Aug 11 - Aug 30$214.99, Nov 5 - Nov 22$179.99, Oct 25 - Nov 11$176.52, Aug 11 - Aug 30$214.99, Nov 5 - Nov 22$209.95, Nov 15 - Dec 24$176.52, Aug 11 - Aug 30$214.94, Nov 24 - Dec 4$209.95, Nov 15 - Dec 24$176.52, Aug 11 - Aug 30$209.95, Nov 15 - Dec 24$199.99, Dec 6 - Dec 9$176.52, Aug 11 - Aug 30$210.00, Dec 11 3:47 pm$209.95, Nov 15 - Dec 24$176.52, Aug 11 - Aug 30$210.01, Dec 14 - Dec 19$209.95, Nov 15 - Dec 24$176.52, Aug 11 - Aug 30$214.69, Dec 21 - Dec 29$209.95, Nov 15 - Dec 24$182.25, Dec 21 - Feb 21$214.69, Dec 21 - Dec 29$209.70, Dec 27 - Jan 21$182.25, Dec 21 - Feb 21$213.99, Jan 1 2:43 am$209.70, Dec 27 - Jan 21$182.25, Dec 21 - Feb 21$214.69, Jan 5 - Jan 10$209.70, Dec 27 - Jan 21$182.25, Dec 21 - Feb 21$213.99, Jan 13 - Jan 21$209.70, Dec 27 - Jan 21$182.25, Dec 21 - Feb 21$213.95, Jan 23 - Jan 28$208.95, Jan 23 - Jan 28$182.25, Dec 21 - Feb 21$213.93, Jan 31 6:33 am$208.93, Jan 31 6:33 am$182.25, Dec 21 - Feb 21$213.91, Feb 2 - Feb 7$208.91, Feb 2 - Feb 7$182.25, Dec 21 - Feb 21$213.79, Feb 10 - Feb 15$208.78, Feb 10 - Feb 15$182.25, Dec 21 - Feb 21$213.76, Feb 18 3:46 pm$208.76, Feb 18 3:46 pm$182.25, Dec 21 - Feb 21$213.73, Feb 21 11:19 am$208.73, Feb 21 11:19 am$182.25, Dec 21 - Feb 21$213.73, Feb 21 11:19 am$206.99, Feb 24 6:34 am$160.30, Feb 24 6:34 am$213.73, Feb 21 11:19 am$204.95, Feb 27 - Mar 6$153.74, Feb 27 - Mar 6$213.73, Feb 21 11:19 am$199.96, Mar 12 - Mar 24$129.90, Mar 12 8:28 pm$213.73, Feb 21 11:19 am$199.96, Mar 12 - Mar 24$153.74, Mar 18 3:47 pm$204.99, Mar 24 - Mar 30$199.96, Mar 12 - Mar 24$143.49, Mar 24 - Apr 5$199.96, Mar 12 - Mar 24$143.49, Mar 24 - Apr 5$204.99, Apr 5 9:09 am$143.49, Mar 24 - Apr 5

Price Details

New

Last Seen $204.99 Mar 30, '16
Highest $359.99 Oct 7, '13
Lowest $196.99 Sep 11, '15
Average $204.99 (30d avg)
$213.29 (90d avg)
$215.10 (180d avg)
$244.75 (365d avg)
$280.85 (Lifetime average)
Added Oct 7, 2013

3rd Party New

Latest $204.99 1 day ago
Highest $349.95 May 22, '14
Lowest $179.99 Oct 25, '15
Average $199.96 (30d avg)
$206.00 (90d avg)
$205.37 (180d avg)
$231.43 (365d avg)
$267.58 (Lifetime average)
Added Oct 7, 2013

3rd Party Used

Latest $143.49 1 day ago
Highest $296.67 Jul 24, '14
Lowest $129.90 Mar 12, '16
Average $142.80 (30d avg)
$166.59 (90d avg)
$168.88 (180d avg)
$175.18 (365d avg)
$191.56 (Lifetime average)
Added Oct 7, 2013

Product Description

Noise-canceling, stereo Bluetooth headset with CD-quality sound, padded on-the-ear cushions and foldable construction

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Buy from Best Buy $449.99$214.99 $400.00 $350.00 $300.00 $250.00 Jun Sep Dec Mar Jun Sep Dec Mar Jun 2014 2015 2016 $449.99, Mar 13 - May 21$366.99, Jun 17 - Jul 25$348.99, Jul 26 - Jul 28$356.99, Jul 29 - Aug 14$343.99, Aug 15 - Aug 26$318.99, Aug 27 7:46 am$343.99, Aug 28 - Sep 3$349.99, Sep 4 - Jan 26$346.99, Jan 27 - Feb 5$343.99, Feb 10 - Mar 7$349.99, Jun 5 - Jul 14$307.99, Jul 15 - Jul 21$349.99, Jul 22 - Jul 24$267.99, Jul 25 - Aug 26$238.99, Aug 27 - Sep 11$214.99, Sep 12 - Sep 15$349.99, Sep 16 - Sep 25$254.99, Sep 28 - Oct 13$234.99, Oct 14 - Oct 21$219.99, Oct 22 - Oct 29$214.99, Nov 7 - Dec 1$349.99, Dec 2 - Dec 4$214.99, Dec 5 - Dec 17$349.99, Dec 18 11:37 am$214.99, Mar 17 - Apr 1$349.99, Apr 2 - Apr 5

Price Details

New

Latest $349.99 1 day ago
Highest $449.99 Mar 13, '14
Lowest $214.99 Mar 17, '16
Average $236.35 (30d avg)
$222.11 (90d avg)
$224.73 (180d avg)
$255.47 (365d avg)
$324.47 (Lifetime average)
Added Mar 13, 2014

Product Description

Sennheiser - MM 450-X Over-the-Ear Headphones - Black

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Buy from Newegg $521.95$227.19 $625.00 $458.33 $291.67 $125.00 Jun Aug Oct Dec Feb Apr Jun Aug Oct 2014 $449.95, Jun 9 - Jul 5$516.95, Jul 1 - Aug 5$521.95, Jul 2 - Aug 5$449.95, Jan 9 - Feb 22$299.95, Feb 23 - Feb 24$449.95, Feb 25 1:53 am$285.99, Feb 28 - Mar 5$267.95, Mar 6 - Mar 10$449.99, Mar 11 - Mar 12$283.99, Mar 16 - Mar 24$227.19, Mar 25 11:24 pm$349.00, Jul 22 - Aug 9$299.00, Aug 13 - Sep 24$349.00, Sep 25 6:56 am

Price Details

New

Last Seen $349.00 Sep 25, '14
Highest $521.95 Jul 2, '13
Lowest $227.19 Mar 25, '14
Average NA
Added Apr 22, 2013

Product Description

Sennheiser Black MM 450-X On-Ear Foldable Noise Canceling Bluetooth Travel Headphone Type: Wireless & Bluetooth Part: 503513 Wireless Type: Bluetooth Operating Time: Talk Time: Up to 20 hours Listening Time: Up to 10 hours (without NoiseGard; with - up to 8) Distance: Up to 33 feet Frequency Response: 15Hz-22KHz THD: Sensitivity: 107dB S.P.L. at 1KHz

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