Rolls RM65B HEX MIX 6 x 4 Mixer strings The brightness is adjusted using

The brightness is adjusted using a variable dimmer switch

But since you're the one building it

The Hercules SS710B Gear-up Speaker stand features the Quik-N-EZ Gear-up System to raise and lower speakers to desired height

00mmW x 170

Rolls RM65B HEX MIX 6 x 4 Mixer strings The brightness is adjusted usingThe new RM65b HexMix is a single rack space unit featuring 6 channels of audio mixing, each with an XLR Microphone Input and 1 4" unbalanced Line Input. A unique feature of the 1 4" line inputs is they may be internally reconfigured to operate as Inserts for the Microphone Input. Each channel, in addition to its Level control, also features a Clip LED, Monitor Send control, Effects Send control, and Bass and Treble controls. Each Microphone input has