The CHG 70N is a network-enabled charger featuring two individual charging bays.


  • Control and monitoring via the Sennheiser Control Cockpit and 3rd party applications.
  • 2 bays: charge EW-DX SKM, EW-DX SK or BA 70
  • Power via PoE or PSU
  • PoE IEEE 802.3af Class 3
  • 2h charging time (0 ~ 80%), 3h till 100%


    The charger shall be network-enabled and shall be capable of simultaneously charging up to two handheld and/or bodypack transmitters of the Sennheiser EW-DX series. A colored LED at each charging bay shall indicate charge status.

    The charger shall have an RJ-45 network socket and shall support the Media Control Protocol to provide for remote control and status monitoring via the Sennheiser Control Cockpit software or a media control system.

    The charger shall operate on 12 V DC input voltage supplied from an external power supply unit. The power supply unit shall power a cascade of up to 5 chargers. The input current shall be maximum 3.5 A for a cascade of up to 5 chargers. Charging voltage shall be 4.35 V, charging current shall be max. 860 mA per charging bay. The charger shall also operate on Power over Ethernet (PoE IEEE 802.3af Class 0)

    Charging time for full charge shall be approximately 3.5 hours. Operating temperature shall range from -10 °C to 50 °C (14 °F to 122 °F). Dimensions shall be 200 x 104 x 116 mm (7.9" x 4.1" x 4.6"). Weight (unequipped and without power supply unit) shall be approximately 640 g.

Technical specification
  • Unique ref.chg70n
  • Collection setBusiness Audio & Communication
  • CollectionPresentation
  • TypeObject (single object)
  • Date of publishing2022-11-24
  • Edition number1
  • Height (mm)104
  • Width (mm)200
  • Depth (mm)116
  • Weight Net (Kg)0.64
  • BIMobject CategoryElectronics - Audio Electronics
  • IFC classificationElectric Appliance
  • OmniClass TitleBattery Chargers
  • OmniClass Number23-35 21 00