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.Power supply : main unit: 230Vac, 50Hz or internal rechargeable batteryvbCrLfBatteries : beltpack transmitter: 9Vdc PP3vbCrLfOutput power : max.: 25WvbCrLfBattery life (hours) : voice: 7 hours max.vbCrLfBattery life (hours) : signal: 2 hours max.vbCrLfFrequency response: 100Hz - 12kHzvbCrLfVHF operating distance: 35m (max.)vbCrLfS/N ratio: >75dBvbCrLfCarrier frequency: 174.1MHzvbCrLfAudio source: USB player, FM tuner, Bluetooth receivervbCrLfVHF tuning stability: 0.005% quartz crystal lockedvbCrLfDimensions : VHF beltpack: 205 x 68 x 25mm (ex. antenna)vbCrLfWeight : VHF beltpack: 76g (no battery)vbCrLfDimensions : main unit: 155 x 183 x 285mmvbCrLfWeight : main unit: 2.74kgvbCrLfSPL max.: 80dB

Adastra H25b Sistema de Endereço Público Independente (Pa) 25 W Preto