Adastra H25B All-in-One PA with Wireless Headmic

SKU: 952.412

£96.76 £116.11 incl. VAT

25w PPMO portable all-in-one PA with wireless headmic and Bluetooth

In stock




Adastra H25B portable all-in-one PA with wireless headmic and Bluetooth

The H25B is a fully integrated PA unit in an ergonomic ABS handheld housing. Power can be supplied from mains or the internal rechargeable battery to deliver up to 25W output. Hands-free vocal address is made easy and convenient with the supplied VHF wireless neckband system. Built-in Bluetooth receiver and USB media player provide background music playback options, including an FM radio tuner function. Applications include demonstrations, speech reinforcement in educational scenarios and mobile public address.

COVID-19: Social distancing is still strongly recommended and many businesses and organisations need to serve their customers and clients in a safe and efficient way – talk-through-glass systems have become more common with protective screens becoming a must-have in many environments such as shops, storefronts, surgeries, care homes, consultancies and care charities. Wireless communication in education, podcasting and distance calling in many situations demands these varied and specialist products.

See the ‘User Manuals’ tab on the left of this page – as manufacturers are making instruction sheets and user manuals available for download only and your purchase may not include a printed version.

  • Mains or battery operation
  • Bluetooth Receiver
  • Internal USB audio player
  • FM radio tuner
  • VHF neckband microphone system
  • Power supply
    Main unit: 230Vac, 50Hz or internal rechargeable battery
    Batteries : beltpack transmitter: 9Vdc PP3
  • Output power : max.: 25W
  • Battery life (hours)
    Voice: 7 hours max.
    Signal: 2 hours max.
  • Audio source: USB player, FM tuner, Bluetooth receiver
  • Frequency response: 100Hz – 12kHz
  • S/N ratio: >75dB
  • SPL max.: 80dB
  • VHF operating distance: 35m (max.)
  • Carrier frequency: 174.1MHz
  • VHF tuning stability: 0.005% quartz crystal locked
  • Dimensions
    Main unit: 155 x 183 x 285mm
    VHF beltpack: 205 x 68 x 25mm (ex. antenna)
  • Weight
    Main unit: 2.74kg
    VHF beltpack: 76g (no battery)



Adastra was founded in 1949 and has earned a reputation for high quality public address sound products Meeting the needs of the commercial PA sector for over 60 years their name is known for quality and value Adastra is the choice for 100v line PA sound, zone paging PA, noise pollution control and induction loop equipment The range includes mixer & slave amplifiers, ceiling, cabinet & horn loudspeakers, desk paging & handheld microphones, equipment racks, cables, stands and accessories

Additional information

Weight2.74 kg
Dimensions28.5 × 15.5 × 18.3 cm
Output (RMS)


Media Playback

Bluetooth, FM Radio, USB Slot

Frequency Band



3.5mm Jack, 6.3mm Jack





User Manuals


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