DALI PHANTOM M-375 in-wall speaker, one 7-inch woofer, two passive radiators and a rotatable hybrid tweeter module. Sold individually.

The M-375 pairs one 7-inch woofer with two 7-inch passive radiators in a closed cabinet 779 mm tall. The mass-tuned arrangement reaches down to 57 Hz at plus or minus 3 dB with no port, so no air noise inside the wall.
The crossover sits at 2500 and 15000 Hz. The 28 mm soft dome covers the upper midrange and treble, the 17 x 45 mm ribbon takes over above 15 kHz. Nominal impedance is 6 ohms, sensitivity 89 dB, power handling 30 to 180 W.
The tweeter module turns within the baffle, so it can face the listening area even when the speaker sits high on the wall. A Normal / HF+ switch lifts the treble by a few decibels to make up for a heavily furnished room or a projection screen. Maximum output reaches 107 dB at one metre.
Cut-out of 751 x 226 mm, mounting depth of 100 mm, wall thickness from 8 to 68 mm. The speaker measures 779 x 254 x 106 mm with its grille and weighs 9 kg.
Data sheet
Specific References
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