U40s are slim and elegant floor-standing magnetically shielded loudspeakers. This product was created as an ideal choice for small to medium size listening rooms. If you are thinking about a fine stereo system, or if you have had a dream to build an incredible home theater, U40 will be your perfect choice.

Technical Specifications

Nominal impedance

4 Ω

Max. long-term power

70 W

Max. short-term power

100 W

Frequency range (±2 dB)

80–22000 Hz

Lf corner (−6 dB)

64 Hz

Crossover frequency

2000 Hz

Sensitivity (2.83 V/1 m)

91 dB

Speaker drivers

2 × 5" paper cone mid-woofer;

1" fabric dome tweeter.

Dimensions (mm)

1293 H × 188 W × 120 D


290 W × 290 D

Dimensions (inches)

51" H × 7½" W × 4¾" D


11½" W × 11½" D


8 kg/17 lbs


The basic version of the U40 finish is black, silver or white paint. As an option the loudspeaker cabinet’s front partition may come in real wood veneer or high-gloss finishes.