- Valcom in-wall speaker - Signature series - One-way only - High-fidelity audio quality - Simply recess in a wall and either paint or wallpaper over for a inchhiddeninch speaker - White metal grille - Built-in amplifier - Built-in volume control - Dimensions: 12inchHx 8.65inchW x 3.2inchD - Weight: .5lbs - VALCOM POWER UNITS: (-4)