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All Plantronics H-series Corded Headsets Need a Quick Disconnect Cord or an Amplifier -- Find the Right Cord for Your Phone Here:

Plantronics H-series headsets (such as HW251 or any other model starting with the letter "H") come down to a black, rectangular snap-on piece called a Quick Disconnect. Plantronics direct connect cables (for phones with a dedicated headset port) and amplifiers (for phones without a headset port) have the corresponding Quick Disconnect to simply snap onto your headset.

It is VERY IMPORTANT to choose the compatible direct-connect QD cord for your phone. Please see the list below. If you don't see your phone listed, please give us a call.
Plantronics A10 Cord 66268-02 or 66268-03 (also called A10-16) for Nortel, Norstar, Northern Telecom, Meridian, NEC, Inter-Tel, Shoretel, Aastra, Packet8, Mitel, 3Com, ESI, Talkswitch, Iwatsu, Zultys ZIP 51E, 53E, 53i, 55i, 57i, 59i
Direct Connect U10 Cable for Cisco IP Phone Models 6921, 6941, 6945, 6961, 7821, 7841, 7861, 7931, 7940, 7941, 7941G, 7942, 7942G, 7945, 7945G, 7960, 7961, 7961G, 7962, 7962G, 7965, 7965G, 7970, 7971, 7971G, 7975, 7975G,  8811, 8841, 8851, 8861, 8941, 8945, 8945G, 8961, 9951, 9971
Special Cable for Cisco 7920, 7921 7921G, 7925, 7925G, 7929
Suggested List: $45.00
Our Price: $28.50
Suggested List: $45.00
Our Price: $28.50
Suggested List: $20.00
Our Price: $18.95
Plantronics Polaris Cable U10P for Polycom IP Phone Models: 300, 301, 335, 430, 450, 500 (revision E or later) , 501, 550, 560, 600 , 601, 650, 670, CX300, CX500, CX600, VVX101, VVX201, VVX300, VVX310, VVX400, VVX410, VVX500, VVX600, VVX1500, Shoretel 420, 480, 480G, 485, Starleaf 2210 and Altigen IP Phone Models 500, 510, 600, 705, 710, 720, Digium IP D40, D45, D50, D70 and Aastra models 480i, 480e, 6731i, 6735i, 6737i, 7446i, 9112i, 9133i, 9116, 9143i, 9480i, IPitomy IP320 and IP620, Nortel i2002 and i2004
Direct Connect HIC-10 Cord (formerly HIC-1 now HIC-10) for Avaya, Lucent, AT&T 1408, 1416, 2410, 2420, 2430, 4424LD+, 4424D+, 4412D+, 4406D+, 4606, 4610, 4612, 4620,  4621, 4622, 4624, 4625, 4630, 5410, 5420, 5610, 5620, 5621, 6416D+M,  6424D+M, 9404, 9406, 9408, 9504, 9508
Direct Connect HIS Cable for Avaya Phones 1608, 1616, 9601, 9608, 9610, 9611, 9611G, 9620, 9621, 9630, 9640, 9641, 9650, 9670
Suggested List: $45.00
Our Price: $28.50
Suggested List: $45.00
Our Price: $28.50
Suggested List: $45.00
Our Price: $28.50
Plantronics  Adapter Cable (QuickDisconnect - 2.5mm) for Polycom IP 320, 321, 330, 331, Panasonic, AT&T, RCA, Uniden, Zultys ZIP 4x4 and ZIP 4x5 and Other Phones with Standard 2.5mm Headset Port
Shielded Headset Cable for Cisco Linksys Phones SPA 303, 303G, 501G, 502G, 504G, 508G, 509G, 525, 525G, SPA921, SPA922, SPA941, SPA942, (2.5mm - QD)
Plantronics Long QD to 2.5mm Cable (10 ft) for Polycom IP 320, 321, 330, 331, Cisco Linksys SPA303, SPA303G, SPA501G, SPA502G, SPA504G, SPA508G, SPA509G, SPA525, 525G, SPA921, SPA922, SPA941, SPA942 and SPA962, Panasonic, AT&T, RCA, Uniden, Zultys ZIP 4x4 and ZIP 4x5 and Other Phones with Standard 2.5mm Headset Port
Our Price: $18.95
Suggested List: $20.00
Our Price: $18.95
Suggested List: $36.95
Our Price: $28.50
Plantronics Direct Connect Headset Cable U10P-S19 for Aastra 5370 IP, 5730, 6771, 6773 IP, 6775 IP,  6865i, 6869, 7434 IP, 7444 IP, Office 70 IP and Altigen IP 805
Plantronics DA40 USB to QuickDisconnect Adapter for PC and Mac
Our Price: $18.95
Our Price: $24.95
Suggested List: $59.95
Our Price: $32.00
Dual 3.5mm mini plugs to Quick Disconnect Cable for PC
Plantronics 3.5mm to Quick Disconnect Adapter for iPhone, Android and Other Smartphones, Cisco 8821
Plantronics Y Training Cord with Mute
Suggested List: $45.00
Our Price: $36.95
Our Price: $19.95
Our Price: $28.50
Plantronics M22 Vista Amplifier
Suggested List: $120.00
Our Price: $77.00