Argon Audio FORUS 4 WALL, a passive on-wall speaker sold individually and just 10.3 cm deep. 4-inch woofer, soft dome tweeter and a built-in mount for horizontal or vertical installation.
Argon Audio FORUS 5 WALL, a passive on-wall speaker sold individually and 13 cm deep. Its 5-inch woofer and soft dome tweeter reach down to 50 Hz, in black, white or walnut.