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AddaSound Crystal 2821 QD Quick Disconnect Telephone Headset
Quick Disconnect Cables
Click to view
No QD adapter needed
DN1001 - QD to RJ9 - Polycom, ShorTel, Mitel, Toshiba [Add $8.90]
DN1002 - QD to RJ9 - Avaya 1600 & 9600 [Add $30.20]
DN1003 - QD to RJ9 - Cisco IP [Add $14.80]
DN1005 - QD to 2.5mm - Cisco 2.5mm Jack SPA [Add $15.00]
DN1006 - QD to 3.5mm 4 PIN - iPhone [Add $19.20]
DN1008 - QD to RJ9 - Yealink [Add $11.10]
DN1009 - QD Y Training Cord - Splits 1 line into 2 [Add $29.99]
DN1011 - QD to USB - Computers [Add $34.50]
DN1016 - QD to 3.5mm 3 PIN [Add $19.20]
DN1021 - QD to Dual 3.5mm RCA [Add $22.10]
DN3000 - (Jabra) GN QD to Addasound QD - Jabra QD adapter [Add $7.20]
DN5000 - Inline Mute Switch - Addasound QD to Addasound QD [Add $10.60]
Clear, Precise, Focused with a 2 year warranty!
ADDASOUND always keeps pace with the developments of the call center and office industry in order to provide headsets that meet the special requirements of professional users. With its strong R&D background, ADDASOUND made Crystal 2821 an ergonomic noise canceling headset especially for call centers and noisy working environments. Start working even more efficiently now!
HIGH QUALITY COMMUNICATION
Works naturally with Plantronics QD cables
150-6800Hz wideband audio processing; also applicable to VOIP communication
Optimal design of sound chamber for improved call quality
Directional microphone noise canceling filters out background noise
International standard hearing protection function protects your ear under intensive usage.
CLASSIC NORDIC DESGIN
Advanced evaporation technology to display textured appearance
180° horizontal adjustable ear cap and 270° bendable boom to fit custom need of every user
Ergonomic design for an extremely comfortable wearing experience
Ultra lightweight design allows all-day wearing
Boom arm uses advanced TPEE materials.
Quick Disconnect Compatibility with Addasound and Plantronics.
*Does not include a cable adapter unless you choose one as an option. If you have an existing AddaSound or Plantronics QD adapter you do not need to choose one from the options list. You may also find additional adapters on our website to integrate with other devices such as cellphones and computers.
Accessories for this product...
DN1005 AddaSound Quick Disconnect (QD) Cable Adapter QD to 2.5mm
DN1003 AddaSound Quick Disconnect (QD) Cable Adapter QD to RJ9
DN1001 AddaSound Quick Disconnect (QD) Cable Adapter QD to RJ9
DN1006 AddaSound Quick Disconnect (QD) Cable Adapter QD to 3.5mm 4 Pin iPhone
DN1009 AddaSound Quick Disconnect (QD) Cable Adapter QD Y Training Cord
DN5000 AddaSound Quick Disconnect (QD) Cable Inline Mute Switch for Addasound
DN1016 AddaSound Quick Disconnect (QD) Cable Adapter QD to 3.5mm 3 pin
DN1011 AddaSound Quick Disconnect (QD) Cable Adapter QD to USB
DN3000 AddaSound Quick Disconnect (QD) Cable Adapter GN Jabra QD to Addasound QD
DN1002 AddaSound Quick Disconnect (QD) Cable Adapter QD to RJ9
DN1021 AddaSound Quick Disconnect (QD) Cable Adapter QD to Dual 3.5mm RCA
DN1008 AddaSound Quick Disconnect (QD) Cable Adapter QD to RJ9
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