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Sennheiser Cables & Amplifiers

All Sennheiser telephone headsets require a direct connect cable. The cable is based on the
telephone model. The purpose of the cable is for a direct connection from the headset to the
telephone. Thus the need for an amplifier (generally required for most headsets) is eliminated.

An amplifier is something preferred by some users as they allow for more flexibility such as on/off
switch and better volume control.
Active Telephone Interface
  • Dynamic Volume Control for consistent call
    volumes
  • Sound Clarity System
  • Microphone volume control and mute
  • Handset/headset switch
  • Compliance with the EU noise at work directive.
    Securing a max time weighted average sound level
    of 85db(A) from any Sennheiser Communications
    Headset
  • Three position switch guarantees easy installation
  • Compatible with almost every digital and analogue
    telephone for easy planning
  • 2 Year Warranty
Universal Interface Handset/Headset Switch UI740
$110.00

Telephone Headset Amplifiers

  • Compact passive universal interface model
  • Line powered - no battery or AC transformer required
  • Compatible with all Sennheiser Communications
    telecom headsets
  • Quickly switch between headset and handset
  • 2 Year Warranty
Universal Interface Box UI710
$32.00
Sennheiser Headset  Cables for Direct Connection of Headset to Telephone -
One end of the cable connects to the telephone, the other end to the headset
Quick Disconnect Cable Model CSTD08
$20.00
Cisco IP phones - 7940, 7960, 7970, 7920
Plantronics M10, M12
Partner/Avaya - 500AM, Partner One Touch,
8400 One Touch
Quick Disconnect Cable ModelCSTD24
$20.00
3-Com NBX sets
Cisco 7902G, 7905/G, 7910G
Panasonic - All non DBS sets
Siemans - Optipoint/Optiset w/o adapter
Teleconnect - All models
Quick Disconnect Cable Model CCEL190-2
$20.00
To be used with Cellular, Cordless
and desk phones with a 2.5mm
3 pole headset jack
AT&T 924-984, E Series,
Cisco 7920, Panasonic
GN4170, 7100
Quick Disconnect Cable Model CSHS01
$50.00
Avaya 2500-2800 sets, 500-800 sets, Attendant consoles
Executone- Encore series
Iwatsu - Omega sets
NEC - Electra sets
Nortel - Meridian QSU
Telecom USA
Sennheiser Cable
Model of Telephone Headset
Quick Disconnect Cable Model CSTD01
$20.00
Astra - All models
Alcatel - All models
Avaya 6200-6500 series
Avaya 8100-8500 series
Avaya 400 series
Avaya 4600 series (IP phones)
Comdial Executech Sets
ESI - All models
GE Pro Series
GN71--, HT Two, MPA
Isotech - All models
Iwatsu - All models
Mitel - All models
NEC - All non-2 Prong
Nortel - i2000 series, Jazz,  
             Maestro