Caution: Never listen to sound that is distorted. If distorted sound is heard, turn the volume down immediately or speaker and/or amplifier damage could occur that is not covered by the warranty. If this problem persists, contact your dealer.

User adjustments and service: There are no user adjustments on the MX855. Your installer may make certain gain level adjustments on the rear panel.

Caution: The MX855 contains no user serviceable parts, so do not attempt to open or repair the MX855. Refer servicing to a qualified technician only or contact the factory for information.

The Link button is normally set to the “in” position to give all six stereo inputs individual sources. When the Link button is set to the “out” position, that input Left/Right is linked or cascaded (or paralleled) to input #1 (without the use of Y cords). Any or all combination of linked inputs 2 to inputs 4 are possible. When all inputs are linked to input 1 the input impedance is about 6000 Ω.

Caution: NEVER connect the MX855 to impedances less than 4 Ω or amplifier damage not covered by the warranty may occur.

The trigger is 12 VDC (35mA per MX855) via 3.5mm mono jack. 5 VDC trigger outputs will not work. To connect the trigger to a receiver use a 12 VDC power supply (we suggest Knoll PS1205 power supply with an adaptor). Plug the power supply into the switched outlet on the rear of the receiver. Connect the 12 volt wire to a 3.5mm mono jack. Plug the jack into the rear of the MX855. 12 VDC polarity is not important. Make sure the MX855 power switch is off (out). When the receiver is switched on, the MX855 amplifier is switched on.

Channel 4 can be mono bridged giving 180 watts into 8 ohms. Never connect speaker loads less than 8 ohms to channel 4 in the bridged mode. Select the bridge/stereo switch to the out position for the bridged mode. The bridged input is 4L. The 4L gain pot adjusts the bridged gain. The speaker is connected to the 4L+ and 4R+ in the bridged mode.

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Knoll MX855 specifications

MX855 specifications

The Knoll MX855 office chair is a remarkable seating solution that embodies modern design, ergonomic support, and advanced technology, making it a preferred choice for professionals who spend long hours at their desks. Designed with both aesthetics and functionality in mind, the MX855 is ideal for contemporary workspaces.

One of the main features of the MX855 is its adjustable ergonomic design. The chair is equipped with a dynamic lumbar support system that adapts to the user's spine, providing essential support to prevent discomfort during extended periods of sitting. The seat height, depth, and armrests are fully adjustable, allowing users to find their optimal seating position for maximum comfort.

Another significant aspect of the MX855 is its innovative mesh backrest. This feature not only contributes to a sleek and modern appearance but also enhances breathability, ensuring that users remain cool and comfortable throughout the day. The mesh material promotes airflow, reducing the likelihood of sweat buildup and discomfort, especially during warmer months or in heated office environments.

The MX855 also boasts a sophisticated mechanism that allows for smooth recline and tilt functions. Users can easily adjust the tension of the recline to suit their individual preferences, enabling seamless transitions between work and relaxation. This feature supports a range of postures, encouraging active sitting which can improve productivity and reduce fatigue.

Additionally, Knoll incorporates sustainable materials in the MX855's construction, reflecting a commitment to environmental responsibility. The chair is designed with durability in mind, featuring high-quality components that ensure longevity and reduced waste.

The aesthetic appeal of the MX855 cannot be overlooked. Its sleek lines and minimalist design make it an attractive addition to any office environment, seamlessly blending with various interior styles. The availability of different colors and finishes allows for customization, enabling organizations to match their branding or design preferences.

In conclusion, the Knoll MX855 is a state-of-the-art office chair that combines ergonomic support, innovative technologies, and stylish design. With its adjustable features, breathable mesh backrest, and commitment to sustainability, the MX855 stands out as a top choice for those seeking comfort and functionality in their workspace. Whether in a corporate setting or a home office, this chair is designed to enhance the user experience, making it an investment in health and productivity.