5” 6 W RMS in-ceiling loudspeaker on 100 V line, with connections available at 3 W and 1 W (selection on transformer terminals). RAL9016 white metal circular grille and quick anchoring by springs. The A-255BTM is a recessed false ceiling loudspeaker, suitable for any public address installation. With high sensitivity, it allows you to optimize the power of the amplifier and configure profitable sound systems. The completely flat design of the white grille blends discreetly into any type of ceiling.