Power Box 51 is a pair of two-way loudspeakers consisting of one speaker with a built-in stereo amplifier and a second passive speaker, which connects to the active unit via a Phoenix connector.

System equipped with high-efficiency 2 x 20W Class D power amplifier, 5” woofers, and a 1” tweeters. U-bracket for wall or ceiling mounting is included in the set.

Rated power: 2 x 20 W

Frequency response: 120 Hz - 20 kHz

Sensitivity: 88 dB (1 W/1 m)

Dimensions: 252 mm x 163 mm x 163 mm

Colour: White (RAL 9016)