Self-contained PA unit with a compact PP moulded cabinet in a desktop format. Built-in USB/SD/FM player with Bluetooth receiver and dual handheld VHF microphone system make this a comprehensive solution for tasks as diverse as classroom activities, meetings and singing rehearsal. Mains or internal re-chargeable battery operation and very manageable size enable this unique product to be used practically anywhere.Power supply[tab]110/240Vac, 50/60Hz (fig 8), 12Vdc or internal battery[br]Battery life[tab]Up to 8 hours[br]Battery[tab]12Vdc 2.3A/h Sealed Lead Acid[br]HF driver[tab]2 x 25mmØ balanced dome[br]LF driver[tab]200mm (8") reinforced paper cone[br]Power : output[tab]50Wrms[br]SNR[tab]85dB[br]Construction[tab]Injection-moulded polypropylene[br]Power supply : handheld transmitters[tab]3Vdc (2 x AA battery) each[br]Wireless microphone frequencies[tab]174.1MHz + 175.0MHz[br]Frequency response : mic[tab]40Hz - 15kHz[br]SD/USB format[tab]FAT 32 (32GB max)[br]Dimensions[tab]380 x 295 x 220mm[br]Weight[tab]7.2kg[br]Bluetooth version[tab]4.2