Adastra H25B Portable Battery / Mains Small Wireless PA System with Neckband Microphone & Bluetooth

A Portable All-in-one Battery and Mains Powered PA System with Wireless Microphone and Bluetooth Streaming
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The Adastra H25B Handheld PA System with Neckband Microphone and Bluetooth streaming is a compact and highly portable system with intuitive controls and features. You can carry and hold the H25B with ease thanks to the rugged ABS housing with an ergonomic handle built in. Combined with its internal rechargeable battery, the H25 is ideal for use in a wide variety of situations and locations.

The H25B also features a VHF wireless neckband system. This gives you the ability to amplify your vocals with ease, making it perfect for mobile speech reinforcement, fitness classes, demonstrations and more. The system also boasts an integral USB media player and built-in Bluetooth receiver, allowing you to stream your music directly from your phone. If you need powerful sound projection, with the practicality of a portable setup, the Adastra H25B delivers in abundance.


  • 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.
  • Battery life (hours): 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: VHF beltpack: 205 x 68 x 25mm (ex. antenna)
  • Weight: VHF beltpack: 76g (no battery)
  • Dimensions: Main unit: 155 x 183 x 285mm
  • Weight: Main unit: 2.74kg