Complete installation set comprising a WA-215 wall amplifier with inbuilt media player and Bluetooth, and a pair of 165mmØ (6.5”) 15W ceiling speakers with 10m speaker cable. Provides a full background music system for discreet installation in the home or commercial premises.Power supply[tab]100-240Vac, 50/60Hz (Euroblock terminal)[br]Rated output power[tab]2 x 15W @ 8 Ohms[br]Audio format[tab]mp3, wma, wav[br]Minimum impedance[tab]8 Ohms (each output)[br]Cutout[tab]170mmØ (each speaker)[br]Mounting depth[tab]47mm (amplifier), 80mm (speakers)[br]SNR[tab]>98dB[br]THD[tab]<0.03% @ 1kHz, 1W[br]Frequency response[tab]100Hz - 15kHz (speakers)[br]Remote : battery[tab]2 x AAA[br]Dimensions[tab]76 x 188mmØ (each speaker), 86 x 86 x 50mm (amplifier)[br]Weight[tab]700g (each speaker), 152g (amplifier)[br]SPL[tab]98dB (1W, 1m)[br]Bluetooth version[tab]4.1