Germany

Quadral is a company that specializes in the design and manufacturing of high-fidelity loudspeakers and audio equipment. The brand is recognized for its commitment to audio performance, innovation, and the quality of its products, which cater to a wide range of audio enthusiasts and professionals. Quadral offers a variety of products, including floorstanding speakers, bookshelf speakers, subwoofers, and home cinema systems, all designed with the aim of reproducing sound as faithfully as possible.

Quadral

The Quadral Power Cube Sub 300 is a compact yet powerful active bass reflex subwoofer designed for enriching home audio experiences. Its dimensions are 423x305x400 mm, and it weighs a significant amount, providing stability and a solid acoustic foundation. The design features a robust chassis with thick walls supported by wide metal legs, which are equipped with rubber pads for effective vibration isolation. The subwoofer boasts a 260 mm bass driver with a rigid polymer diaphragm set in a resilient butyl suspension and utilizes a flat membrane design. Additionally, it includes a passive radiator mounted on the bottom with a matching 260 mm diaphragm for enhanced sound performance. The aesthetics are complemented by a gently sloped top and a removable silver grille. Control options are located at the rear, featuring standard adjustments for level and crossover frequency (50-150 Hz), as well as a phase switch (0/180 degrees). The device supports automatic operation mode, allowing it to switch off during prolonged inactivity. Input options are versatile, including both line-level RCA and high-level connections. The built-in digital amplifier delivers nominal power of 300 W, with a peak output reaching 600 W. The frequency response ranges from 22 Hz to 150 Hz, allowing the subwoofer to produce deep bass sounds efficiently.

Power Cube Sub 300

by Quadral

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